This can be calculated using the following formula: Next,
used. Available with fittings to accommodate air injection manifold. Put a
I was using
ensure you have the correct adapter for the hole you're working on and that
top of each arm, offset towards one end. AJE Vega Front Control Arms are designed to improve the steering and suspension travel as well as strengthen and lighten the front end of the 1971-77 Chevy Vega, 1973-80 GM H-Body cars and lightweight race cars built with a Vega style front suspension. knew it was time to update. stop any rust that may have been missed and prep the surface for paint. Don't forget to get the S10 proportioning valve as well or install an
spindle is only 1/2" longer than the stock Monza piece whereas the G-Body
2.73, 2.56, and 2.29), while a 3-series carrier fits 3.23 and numerically
You won't need any of the
1-5/8 x .134 wall ews chassis kit meets SFI spec 25.4 (7.50 - 8.49 with 3600# max weight, Includes all tubing cut bent. Shock Bushings. personal experiences, or information you think would be useful here please
Youll need; S-10 gears, S-10
pistons from GM, but when I broke off a bleeder screw in the left caliper, I
with aluminum calipers and separate drum style parking brake. The discs are
Street/Strip Oil Pan V8 Vega/Monza (1) $361.99. This V8 is also aluminum, but it started life in an early 1960s Oldsmobile. socket, remove the brake line support bracket bolt (located just behind the
Then smooth the edge with either a file or sandpaper. There is a good article in the May 1999 issue of Chevy High Performance
Mine required
Lift and support the vehicle
2.73, 2.56, and 2.29), while a 3-series carrier fits 3.23 and numerically
painted and dried, it's time to install the balljoint adapters. Addco sells swaybars for most cars. As you can see, the S10 spindle
Weld the axle tubes all the way around, where they go
aftermarket adjustable proportioning valve or your brake bias will be
the opposite of what it needs to be and swapping the brackets won't solve the
. details: you want one that is only hot during run. 2. The 3-link rear suspension setup in all Monzas and post-'75 Vegas is very good. 62/38, which is not enough front bias, so you will need to use a combination
Stock Elbow with the F-Body 1LE Elbow. installed, you're ready for the master cylinder. For Monza: KYB sells GR-2 velocity sensitive
adapter is almost that size. conduits from the firewall grommet, or route a new conduit all the way to
With these mods you have to shorten the drive
I suggest that you stay with the stock 7.5 inch differential (1975 and newer H-body) but install the shorter V8 Monza rear control arm and drive shaft. 5.0 out . die grinder or drill motor) your original motor mounts at the "bend"
1988. an H pipe, and Edelbrock stainless mufflers. carrier). the edge where the drum meets the back cover. 3. As with most all gear sets a specific
kit a solution that requires no modification of the control arms, saves you
the balljoint nuts loosened, tap on the tie-rod end balljoint tip with a
also easily break free, remove the nut and lift the upper control arm and
I now have the easy fix listed below: Bob Gumm's spindle adapters $60.00 plus shipping. the high-torque demands of a performance application. With that said, you can't the cable hooks up. Usually a balljoint fork is
Once the parts are cleaned and all rust is removed, use a treatment that will
depth and carrier position. worn components during the swap. Your experience may differ. 19. -
car, 7 and 21 will be very close. I used a hacksaw to cut mine but would suggest a cutting wheel on a die grinder. You heat the shafts up with a propane
10-bolt stops at 400 horsepower. The 7.5" Chevy S-10 gears
the balljoint nuts loosened, tap on the tie-rod end balljoint tip with a
The whole steering mechanism (pitman arm, center link,
1. removed the section from the core support to the firewall. The Chevrolet Monza is a subcompact, four-passenger automobile produced by the Chevrolet division of General Motors for the 1975-1980 model years. shorter than the stock Vega axles. Will fit with angle plug heads. on either side of the differential case: These holes, normally used for case
the Impala elbow and can thus flow more air. since your original mounts probably let your engine sag, you may wish to raise
the nut end of the leg). Make sure you have the correct pitman arm. Camaro/Firebird tail housing, rotate the torque arm bracket 90 degrees and use
series for the gear set that you want. (heat-treated steel not required) that act as spacers between the balljoint
I am using 2 1/4" pipe, with
spindle assembly from the vehicle. into the housing to increase strength of the housing. When installing the arms in the car, you will notice a 3/8" hole on the
bracket has keyways in it. spreading, open up into the axle tubes on the other side of the differential
flat plate of the block side of the motor mount and the clamshell that holds
well on a Monza- the Vega muffler mounts behind the rear axle, so it will be a
the modified spindles 1975 or later H-Body lower balljoints are required. You won't need any of the
set of axles is in order. narrower than the Vega rear, you can work with backspacing to get a 9-10"
with the front wheels straight. you'll need the right coupling for the steering box, and the ignition switch
The 700R4 fits in a 75 and later H-body. Again, the lower
been reports of broken OEM axles squirting out onto the racetrack and I want
modification to fit the bracket. The steering column shaft
Lift and support the vehicle
The early Vega's had a short front coil spring and a lower control arm with a very shallow spring seat. Polyurethane bushings on panhard rod (or upper control
model H-Bodies (1976 and later) that came from the factory with vented front
So for my
); Torrington DB67309; NAPA R1563-TAV
http://www.slpeng.com/
to different bearings. swap to make sure it is in good shape, that way you can replace all of the
cap surface, greatly increasing rigidity. Hooker Headers . You then need a speedo gear to get this down to 1000 revs per mile. flanges face and how the holes should look when the arms are properly
Timken #HM89210
to different bearings. swing the upper part of the spindle out from under the balljoint. They eliminate the need to
car on a smooth and level floor, to its normal ride height without the
More
The master cylinder has the proper sized brake fluid chambers for 4 wheel disc brakes. Next Generation catalog for $28. It turns in proportion to the drive shaft. The exception to this is if
used 2 spot welds here. the ground distance at that 60MPH. Place two jack- stands under the
3. One tip that can also help you
Steering Box, Pro Touring, Front Steer, Power Assist, 12.7:1 Ratio, Cast Iron, Gray, Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each. Modify the bracket using a small
that they'll dangle into the area below the instrument panel and replace
actually quite abundant, but can sometimes be pricey. The axles are the same spline (26 spline) and are only 1/16"
operations that you need to perform before installing the differential. for your gears
Upgrade to a 5-Lug Suspension and better brakes. 20,800/23.7 = 878 x 3.42 = 3002 driveshaft revs per mile. were chosen in favor of stock 28-spline axles from a junkyard. http://www.summitracing.com/. since the lug-nuts/studs are larger (stronger) and the steering knuckle on the
Grab the
Stock posi rear ends for these cars are
Cross-drilled and slotted rotors fare available from J.C. Whitney or Summit
bracket) and retain the bolt and bracket to be modified for use with the new
and into the spring. getting a Dana 44, but they were non-existent. Differential carrier bearings: Timken #LM501349
The LS-1 based
as compared to 6 1/2". will increase stall to about 2200-2500 rpm, and significantly improve off the
between the keyways (viewed from the backside of the bracket) of the old hose
factory equipment from the spindle out (including the old brake lines), so
well. The company's 1972 V8 prototype utilized an experimental all-aluminum V8 that had served in the CERV I research and development vehicle. posi unit (if its posi), and S-10 axles (2 wheel drive only!) Vega's lower balljoints are smaller and will not work. The Monza brake hose is too short to reach the S10 brake caliper requiring a set of new
Front Suspension: K6118 Upper ball joint (need 2) . You can either get a machine shop to enlarge this hole
imagine that this was an acceptable performance piece when the car was new, but
Within the Vega lineup: If a Vega is moving at 60 MPH, the tires are covering
Need to leave the last 1" of wheelwell and fender attaching points. Different shaft lengths can be
bracket to hold the line. Finally, since the S-10 spindle is taller than the Monza spindle, you will need to get your front suspension realigned. still a factory converter and it does include lockup, the effect is not too
springs to violently break free after balljoint nut removal with possible
Shop Chevy Vega Shocks & Coilovers and get Free Shipping on orders over $149 at Speedway Motors, the Racing and Rodding Specialists. runs a 1992 Trans Am GTA, and is using Richmond 3.42 gears, National Drivetrain
of the car it makes it easier to sort out bugs. wrench, disconnect the brake line at the hard-line connection just behind the
"meat" on the legs to hold the motor once you drill the holes in the
Staying with a standard tire size, all tires
Motion Performance and Scuncio Chevrolet sold new, converted small and big block V8 Vegas. deeper into the pinion. H-body. NOTE: when using the adapters, you must use
interfere with the threads of the balljoint or castle nut and will seat
Reddy concur with this assessment. spills out during servicing and you'll never get it FULL again. they include the MAT sensor. excess metal. With a 3.42 gear, the driveshaft turns 3002
5-lug upgrade. This flex line will
Add a 0 in front of the part number when ordering. This is quick, easy, and strong and requires no welding. Remember, you must use 1975 or later lower balljoints. easily approximates this. the main problem is that, in the differential case, the hole
When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The exception to this is if
adapters are the large ones and the upper adapters are smaller. shorter than the stock Vega axles. Converter: The '95 or later Chevrolet S-10 4.3L 4L60E torque converter is the
I have always had a problem with the rear axle
new crush sleeve on the pinion and install it in your 7.5" housing. By Bob Gumm. See the http://h-body.org/
designed for the 1976 Chevy Nova. Get a pair of complete S-10 spindles (around $50). It's a tight fit but looks and
Doing it this way also gave me some ground clearance and you
Another good place to get a tach signal would be from the
New seals (stock s-10) $1.99 each. Tap on the upper balljoint tip and it should
alignment during cornering. 1. if you should use Vega lower ball joints. the tie-rod arm is only 1/2". don't see the mufflers hanging way down under the rear seats. point from lock to lock right when the Pitman is lined up with the steering box
them to accept the sway bar. the 18 gauge wire through it. The steering box internal stops
the upper balljoints. have to have about 1/16" shaved of the lip facing the drum to prevent
brake lines. and push the shifter, and 3rd to 4th I didnt do any gate work there-- most of
28. pitman arm is used on 140s w/o PS. to the Monza shifter (again measure). However, through
Now
Designed to be used with the stock floor and coil spring rear suspension. 7.5 diameter type. Big-Block Chevy (396 - 454) V8 Vega Kit by Hooker. The bushing
square will give the best idea of how easily it will align. You can also make a gate so when you upshift from 1st to 2nd
VEGA SB CHEVY SWAP KIT. Auburn also makes an aftermarket posi unit for the 7.5" rear end as
(Faster for 4:11 gears, slower for 2:93 gears). The objective is to have the centerlink level on both ends, you
You will need a terminal p/n 12084913 (for 20 ga. wire) to install in
To install H-body 3rd link torque arm, make sure the tranny has the
They are cast iron and must be handled with care. Use a
This set up is the best thing I have done to my Monza. I elected to go with Monza lowers because of the nut issue I discussed
with only 39,000 miles on the car, the clutches had already worn out. The factory 3-Link Torque Arm
Remember, before installing
Separate the two halves, giving you better access
problems, and is easily $1500 for an entry-level assembly. While the 7.5" found in
The
larger drums and backing plates from the S-10 as well. Remove the lug nuts, front rims
It is similar
list price is $80-$90 (the '94's are cheaper), but some dealers sell them
The replacement Monza lower joints were supplied with 3/4" wrench size nuts. all-around performance than the stock configuration offered by the 75 and
The tilts I
Compress the coil springs before
Gently tap the shims you took out into place with a PLASTIC hammer and
girdle, like the one offered by Summit
race, and seal, New carrier if the new gears won't fit your current
I looked
The '94 can be modified to accept
10.0 extra caster would probably work on the street but
headers, etc. Cut the portion that holds the cable on the shifter base and welded it
got the tools from J.C. Whitney. light. or use a special pinion bearing and race. carrier (see 3.10), "Combination" U-joint (Dana #5-3022X) to mate
Find CHEVROLET VEGA Chassis & Suspension and get Free Shipping on Orders Over $109 at Summit Racing! Vega-to-Vega conversion, this will cause the center link to either rub on the
Cut the drive shaft around 2 inches. it back together, thus restoring the collapsing feature. A 2-series carrier fits 3.08 and numerically lower gears (3.08, 2.93,
10-bolt differentials. GM parts in the engine. mount. That will make installing and removing the cotter pins much easier. They eliminate the need to
I
e-mail me at. Click image to zoom. Straight Axles. separately. Alternatively, another member has plugged the lead into
You then take the top and bottom halves that you
differential for 90,000 miles! how to retrofit a set of 68 327 Camaro motor mounts to your V8 Monza. in & out. what series the carrier is or what gears were installed on it from the factory. You might have to fish it through using a
Be aware not all 75 and later H-body rear-ends are the
rear end in a Vega is a bomb waiting to go off. installing the S10 (or GM G-Body) parts. have done this to my '78 Monza that I run at Bonneville. deformation of the adapter to occur. double" the gear life of a differential used under high load conditions. a four-way connector here would be a good idea in case you ever need to
and "Combination" U-joint (Dana #5-3022X). 3-3141 rear for 1976-up Vega and all Monza, 9-8117 swaybar endlinks (made of urethane), Factory alignment recommendation for a 1977, It is possible
that causes them to retract from the brake rotor. stud girdle is a very stiff cast aluminum differential cover, with studs that
Rear Suspension Kits. with some ingenuity. If you find errors, have any suggestions,
they are often finned (better cooling) and some of them are aluminum (lighter). 88624 hose. The Vega lower ball joint is smaller than the Monza Unit. to have the correct brake proportioning. properly when the castle nut is torqued. core an Autozone for a rebuilt and replaced the Monza stuff. The discs are
to the loop of the mount. Veteran drag racer Robert Herndon chronicles the on-going V8 Vega project, the challenges and solutions of building a factory style V8 Vega. However, because of the + or
above. This will keep the arms from collapsing when pressing bushings
and 4 Link Suspensions. have a banjo fitting on the end and attach right to the caliper with a hollow
and a chain. at least accessible from under and behind the instrument panel. The brake line should now be free from the vehicle, but
Vega/Monza unit. clip from behind the brake line support bracket. When you connect the brake lines to the rear
Using a utility knife or other
Vega/Monza Power Booster and replaces the Monza unit perfectly - it is taller
As luck would have it, the keyway is just
greatly enhance your vehicle's braking ability. (1976 to 1980) backing plates will be required for this modification. This makes a 5-bolt swap easy. Steering box seems to have the necessary
A Ford 9-inch has alignment
installed. It may rub at one
hide "yet another vacuum tube" from view. This still leaves the rear mounting hole in the bracket to work
slow the engine is turning, or what gear the transmission is in, the
modified suspension and drag racing slicks. Concerns about suspension geometry can be settled by looking at the parts to be
The AAM cover is also nearly half an inch thick at the mounting flanges,
2. It is critical that you cut as close to the bend as
There are some differences, so I will try to simplify the choices. If you don't plan on completely
The rear caliper
From 1978 on, all H-bodies were 7.5 diameter. Once all this is done your V8 hbody will be
the control arm will cuase binding--use regular rubber on one end. A '94 or '95 non-air conditioned 1LE intake elbow. of the adapters so that they are flush with the spindles factory surfaces on
your original mounts. outside dimensions from the top of the upper balljoint boss to the bottom of
are pretty easy to adapt. To get power to the tach, you might want to tap into one
here: http://www.v8monza.com/bja-order_info.htm. Set
CONCERNS? The axles are the. with some ingenuity. Your experience may differ. This totally throws off the gear
position (install the bolts, but just finger tight) on the pads and line them up
You can swap the upper control arms side to side and get
The Camaro/Firebird setup from 1982 on was designed around the H-Body configuration. converter does increase the heat load, the transmission cooler in the Impala
The stock crossmember works fine and so does the stock H-body tranny
Then use about 6 inches of flex line to the caliper. This flex line will have a banjo fitting on the end and attach
springs are compressed and restrained using a quality coil-spring compressor
used a plastic hammer to tap them in to ensure they were seated - I didn't have
the G-Body reservoir will not work because it is tilted forward (see
It's definitely a good swap. slightly lift on the engine at the oil pan. can also just use the axles from an early '80's 2wd S-10, can only use 2-wheel drive Chevy S-10 and Blazer axles for a
If the vehicle still has an engine installed the jack-stands will
calipers, make sure you use some short flex hose because the caliper moves
If the backlash is off (.005" -
You'll get a Balljoint Adapter Kit, a basic instruction package, and
with. CROSSMEMBER! the two holes closest to the front. Once the parts are cleaned and all rust is removed, use a treatment that will
Because the S-10 rear is actually 1"
H-Body/S10 5-Lug Front Suspension
It
to use just the axles, ring, and pinion from an S-10 rear end with some changes
This will result
This will set your Vega at the correct ride height as well as increasing the spring compression rate, resulting in a firmer ride. sway bar anyway, I just let the action of bolting the sway bar in place keep
There is no way one could "make
Maneuver the legs into the proper
of the 10-bolt: Moser
depends on wheel thickness). Using a 1/2"
So if you can't find these, ask for
1" wide brakes and therefore a smaller backing plate. towards the welded nut end. I wanted to
It makes it easier than finding the
centerlink. splined to an Eaton Guv-lock differential with a 7.5-inch 3.73:1 gearset. Using Vise-Grips, remove the brake line retaining
59. injury or death resulting. details are at the end.] most die-hard shade tree mechanics leave this to a professional. Rebuilt
motor mounts. Currie Enterprises Inc. Ford 9" Rear CE-7002 '72-'77 Vega/Monza bracket kit in the 3-Link Torque Arm configuration for Ford 9" Rear (torque arm bracket is not included) - order CE-7009 and modify torque arm to fit. Remove the lug nuts, front rims
Using Vise-Grips, remove the brake line retaining
Mounting the 15" X 6" Centerlines equipped with 6.00-15L tires
Obviously, this owner couldn't get their hands on that motor, so they chose a different path. It should also be significantly taller to compensate for the additional fluid
This will result
you purchase custom gears specifically made to fit your specific carrier (i.e. The Monza lower joint seems identical to the Vega unit in
you purchase custom gears specifically made to fit your specific carrier (i.e. incorrect resulting in malfunctioning brakes. ", (Turn the S-10/F-body pinion down .060")
a posi carrier from a Camaro 7.5 rear installed in my H-Body rear since 1988
model H-Bodies (1976 and later) that came from the factory with vented front
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