Plastic Fantastic 2

[mfain]

One thing you may want to look at is bump steer in the rear suspension. With an IRS with toe links, raising or lowering the outboard end of the toe link changes the bump steer characteristics, just as changing caster on the front suspension does. Using the C7 as an example, rear caster set to 0 degrees is critical in preventing unwanted bump steer characteristics. I don't know what the caster of the Camaro suspension should be, but you could bump steer the rear suspension just like you would the front, or you could map all the pick-up points and run them through a suspension analyzer. If you are introducing bump steer (on one side or another, or both), that could cause toe-out under compression that could cause a snap oversteer. Just sayin'

 

[phantomjock]

SBG - If you map-em and send 'em, I'll run 'em.
It,s hitting 104 and tough to finish the outdoor projos!
But I got some welding to do - just to add to the heat!

Cheers - Jim

 

[SuperBuickGuy]

One thing you may want to look at is bump steer in the rear suspension. With an IRS with toe links, raising or lowering the outboard end of the toe link changes the bump steer characteristics, just as changing caster on the front suspension does. Using the C7 as an example, rear caster set to 0 degrees is critical in preventing unwanted bump steer characteristics. I don't know what the caster of the Camaro suspension should be, but you could bump steer the rear suspension just like you would the front, or you could map all the pick-up points and run them through a suspension analyzer. If you are introducing bump steer (on one side or another, or both), that could cause toe-out under compression that could cause a snap oversteer. Just sayin'

so the pictures weren't lying, the camber on the rear is substantially different right to left. The question is only 'which moved' I think it's the left rear. Last year, I had trouble with the alignment cams on the front - so I replaced everything to eliminate them and replace them with stacked shims. The front seems to be just fine now. Of course, the problem travelled to the next weak link. I've ordered near lower control arms that eliminate the cams.

and I agree - the alignment was not static, and when the lower arm moved, that changed the rear toe as well. I guess the bright side in all of this is I'm going to wait before I change to double adjustable shocks. the pictures also showed me that with the shocks properly set, the car maintains good balance in the turns. Not saying I'd turn down a sponsorship but I'm not going to sponsor them myself until I get this latest fix installed (end of August)

 

[SuperBuickGuy]

SBG - If you map-em and send 'em, I'll run 'em.
It,s hitting 104 and tough to finish the outdoor projos!
But I got some welding to do - just to add to the heat!

Cheers - Jim

103 here today.... I'm okay to 95 but higher - not so much

 

[SuperBuickGuy]

and headlight fixed

the 'fixes' include new rear lower control arms - this picture indicated my alignment had moved

and yes, I'll move it back to where it belongs and run it for now

 

[SuperBuickGuy]

and more parts arrived

nice bit... they fit in the buckets

so I'll have aimable headlights... woo hoo

 

[bobs77vet]

is that white bar an LED panel?

 

[SuperBuickGuy]

is that white bar an LED panel?

no

 

[SuperBuickGuy]

parts missing

onward with this fix (but it will get stopped before the end...argh!)
the fail was the plastic holder

I have 3 of 4 buckets, but even they need to be modified

what I'm missing is a ring to hold the light in place. I'm sure I have one I can borrow off the 64 wagon but I couldn't find them.... so to be continued

I've also scheduled a full day dyno tune in October - hopefully this year, I can pack the car away in the trailer ready to run for next year....

 

[SuperBuickGuy]

missed a picture... had to slot the bowl to have the lights correctly aimed

 

[bobs77vet]

looks good i always found all those adjusting parts and dust sleeves and springs to be interesting, and old rusty ones never seem to work properly

 

[SuperBuickGuy]

back to the minor fixes.... tomorrow I'll call Dakota digital and find out why this is lit.... it also doesn't work

but I did get packages!

very nice piece

only thing... where is the cam eliminator kit? so another phone call to them tomorrow.

 

[SuperBuickGuy]

to remind

the difference

installed

I really like these, my only complaint is there are no cam eliminators. Not a huge deal, a tack on the bottom of the cam and it ain't goin' nowhere
other cool thing, I had to drill holes in the stock arms to use coil-overs, with these I do not.

 

[bobs77vet]

are those brass looking hex heads int he middle for adjustment and how do they lock in position? is the middle nut a jamb nut?

 

[SuperBuickGuy]

are those brass looking hex heads int he middle for adjustment and how do they lock in position? is the middle nut a jamb nut?

it's the adjuster, the jam nuts are on either side.

 

[SuperBuickGuy]

had to get clever to get the spacers in

and installed

and go figure, it's 2" shorter then before..... time to adjust coils

 

[SuperBuickGuy]

new springs with titanium retainers... wow are they a lot lighter then the tool steel ones that are there now.

now the question... change them now or just before I go racing again? I do need to change the rear diff - while I will go backwards in limited slip, it will really help with top speed (which I lost 10 mph at PIR)....