Emmissions Test for 1987 Vehicles in Texas

Well if you look under the hood of the TTA's I think you can find your answer Rob. I've still got one on the parts car if you want to come down and get it.
 
Well if you look under the hood of the TTA's I think you can find your answer Rob. I've still got one on the parts car if you want to come down and get it.
Yeah, both the TTA's have very mediocre brakes, especially for trying to build boost against, pretty much 3-4 psi is it, don't know if its the vac brakes or the disc brakes. Can easily get 15 psi of boost on the GN when the powerbastard is working, but the 3k stall convertor helps with that also.
I think the TTA is a 9" double diaphram booster, need to do some more checking...the Monte SS guys have been converting to the 12" B-body double diaphram boosters for much better brakes...not sure a 12" will fit in the GN.
 
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