It was my understanding that 67 had mono leaf springs and the 68 had multi. My 68 has mono with a 12bolt rear end. The car is lowered so possibly they took out a leaf or two to get it at that stance? I'd actually like to lift the rear about 1/2" or so.

any ideas? need pics?

 

Single leafs were for 6 cylinder and small v8's.. Multi leaf was for, 3 standard v8, 4 z/28, 5 big block, at least that's the information I have found....

 

My first 69 with the 307 had mono leafs. All 67 models came with mono leafs. In 68, only cars that came with a 12 bolt rear got multi leafs, which means SS, Z/28 and the 327/275 4-speed model. Since yours isn't one of those (unless there's something about it you don't know), a previous owner swapped in your 12 bolt, which is a nice thing to have.

 

thanks, that helps clear things up.
Wish it had multileaf and 12 bolt because then I may be on to something..but I'm positive it's not anything other than a base model.

 

Mono-leaf's weigh less than a multi-leaf. Most drag racers will do this, I did, less unsprung weight to carry.
Post a picture of the perch-to-axle assembly.
In the swap to 12-bolt, a PO may have subbed a spacer for the rubber pads and placed the spacer between the axle and spring as this action will lower the body.
Place the spacer between the spring and shock plate - would require a little engineering because the shock plate locates the axle to the body.
Another fix is buy a set of mono's, cut off the eyes using a cutoff wheel, no torch, and place the cut spring between axle and present spring, then move a homemade clamp, 1.5 x 4 x 1/4 steel plate, 2 each,, two 3/8 bolts per clamp, and slide the clamp up the springs to acquire the height desired.

 

Mono-leaf and Multi-leaf Spring Usage

All 6-cylinder cars for all 3 years came with monoleaf springs
All 1967 models used monoleaf design rear springs.
For 1968, only certain models with the 10 and 12-bolt rear end received multi-leaf springs. This included all SS models, the Z28, and the L30/M20 327/275hp 4-speed. All other 1968 models used monoleaf springs.
In 1969, all models with 12-bolt axles received multi-leaf springs and all models with 350ci engines (10- or 12-bolt) received multi-leaf springs. Vehicles with 307 and 327 engines received mono-leaf springs.
Generally, Z28's used 4-leaf springs and the other multi-leaf spring applications used 5-leaf springs. However, the use of 4-leaf springs was not limited to just 68-69 Z28's. Spring selection was a function of weight and options - and this was fine-tuned in 1969. SS, LM1, L65, and COPO cars with 4-leaf springs are possible according to factory documentation and they have been observed on original SS, LM1, and L65 cars. Factory documentation indicates that all 68-69 Z28's should have 4-leaf springs. One Z28 (a 69) has been found with apparently original 5-leaf springs. The 5-leaf spring usage on a Z28 should not be considered normal and was probably a dealer installed option.

 

Camaro Chassis - Suspension, Axle, Brakes, & Wheels

 

ok thats some good info to know.
Here are the pictures.

 

Good idea on how to raise it with using a cut leaf. Seems like a lot for just a 1 inch higher ride though. And I wonder if it will make the ride more rough.

Any alternatives?

 

Can't tell exactly how thick of a spacer you have above the springs, but it looks to be at least 1/2". You could remove those, put the springs up against the perches, and put spacer blocks below the springs.
They have locating holes/pins to keep the axle in place: http://www.summitracing.com/parts/afc-20244
EDIT: I don't see a pin diameter listed on those, but these are 1/2" dia.: http://www.ebay.com/itm/Calvert-Raci...c4539a&vxp=mtr