ErikLS2

I just realized I never tried my booster fit and clearance during my engine trial fit and of course now the engine is back out. I got an LS2 in a 69 Camaro with ATS mounts and was wondering if anyone knows whether or not the stock 11" booster will clear the engine with no modifications. If not, what's the opinion on what works best for power brakes and master cylinder?

SurlyJoe

Not sure if the 11 inch will clear but an alternative is the double diaphragm unit from 80-81 ta's and some g-bodies I think. Used one in the gf's 67 bird due to space but it gives you more brake pressure also. Some modification required to get it in but not too bad.

67RSCamaroVette

iTrader: (63)

+1 i used a thirdgen unit, modified the pedal, and drilled out the studs, works fine.

ErikLS2

I spoke to Tyler at ATS today who told me it should fit no problem with the stock booster. I'm going to take his work for it and not slide the motor back in.

Is there a performance advantage to the 3rd gen booster setup? I'll be running Corvette brakes.

67RSCamaroVette

iTrader: (63)

i like the tighter feel better.

Cop Car

iTrader: (14)

if it does become a problem, truck coil packs are located up higher and would give you more room.

mullenh

iTrader: (1)

i had the same problem so i got a 9 inch with proportioning valves, it fits and works great.

Rybar

iTrader: (11)

I had the same problem, so I went with a CPP dual diaphram 8" booster.

badd63

ErikLS2, Just curious how the fit turned out for you (I am preparing for my first ls1 transplant--into a 69 also)?

Rodder

iTrader: (2)

my aftermarket 11" brake booster hit one of the coil packs in my '68 ('99 F-body LS1 and clones of the ATS mounts). I went with a hydroboost unit from hydratech.

glock73110

iTrader: (1)

mine fits no problem

ErikLS2

Badd63, I don't know yet, I haven't put the engine back in, car is still in the paint process and might be some time before I really know for sure. I haven't had any reason to doubt Tyler at ATS yet so I'm not concerned really. His mounts put the engine lower than most of the others I think anyway.

leonpiper69

iTrader: (3)

i procured a 3rd gen one also, and after i hacked off the studs w/ a sawsall, the holes line up differently than the pedal bracket. how did you get yours to bolt up?

Rodder

iTrader: (2)

There are a lot of variables between the firewall (booster) and where the engine is relative to that. The mount plates are only one variable. YMMV.

Indyjc

iTrader: (1)

i'm putting an ls1 in a 69 with s&p style mounts and there was no clearance issues. Rodder how do you like your hydroboost?