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I'm sure it has been covered on here but i couldnt find it. When/why should you lead RR and or trail RR??

I should add to the above post.. 4-bar car with metric clip and nova lowers with pinto spindles

What are good numbers for roll center height, roll center left or right and camber gain on a dirt mod?

Do you use the same idle arm and drag link that comes with the crown vic? What about pitman arm and steering box? Looking at building new car for next year and really thinking about a crown vic clip.

New to mods... running a 602... i have seen alot of posts/info/debate about the left side spring placement but i was wondering about the RR? I currently am running the Spring and slder behind with...

Thanks everyone for the info!! (What an Awesome site!) It is definitely a 73-77 chevelle... confirmed with pics and measurements. Like Racin6mod, i too have pinto spindles and it did take a long...

Thanks guys for the info... and quick replys!

do any of you set your ride heights with the LR and RF shock disconnected? Because of the amount of rebound in my RF and the compressing and lack of rebound in LR, I find it hard to get ride...

Would the 73-77 be considered a "big" metric or is it a class by itself?

I have a 73 -77 chevelle front clip. I was wondering if the lower spring pockets are the same as the 68-72 chevelle? I know it makes a difference on your spring rates. I have a 600lb on rf and...

New to 602's.. Just curious which is better.. 1 to 1 pulleys or the 30% reduction ones??? I have the 1to 1's but i have to drill the center on the water pump pulley from 5/8" to 3/4" to fit my...

Just curious what everyone is running for a battery? I am new to 602 crate Dirt Mods and wanted to get opinions on the best battery to use. 602 comes with the HEI and will use that for now then go to...

Making new mounts for fuel cuz new QC is hitting it. It is a 33gal. What is optimum height? Should I make the mounts adjustable? Does anyone ever move their fuel cell up to help "dial" their car in?

I was looking at buying a used quick change for my modified from someone and I was wondering if anyone could tell me what the measurement would be on it for correct track width? I measured from face...

Thanks for all the info. guys!! This is a GREAT site!! Especially for a "DA" like me!

do you still have them? are they complete?

I contacted Mach 1 Racecars... As it turns out..I do not have one of their cars. He said he hasnt built a Modified in 5-6 years and he only used Ford clips. I did ask a few tech questions but didnt...

Can't find chassis number but it is for sure a 73-77 chevelle.

I have acquired a dirt mod. recently and it appears to be an older car (has M & M welded on the frame rail) I believe it to be 73-77 A-body (it has flat frame rails but measures 3/4 wider than 68-72...