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post #1 of 6 Old 08-12-2008, 08:50 PM Thread Starter
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Question converter ?

i'm having trouble w/ my stall

i have a ati 5500 8" behind a alum headed 347 making about 400 to 450 hp

my prob is it will spin the tires at 2400

oh by the way it is in a 78 fairmont weighs 2700 Lbs

i would like to see atleast 3000 on the footbrake any ideas ?

thanks joey

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post #2 of 6 Old 08-12-2008, 09:04 PM
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The 5500 stall would be more with a trans brake...your brakes are only going to hold to about 2800 or so...you could go with some aftermarket brakes like ones from Strange...they will hold.


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post #3 of 6 Old 08-12-2008, 09:13 PM Thread Starter
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i know i'm not gonna see 5500 i would think at least 3000 though i mean it does flash about 4100 or so got a friend running a similar set up in a lighter car and his will go 33 or 3400 stock rear brakes

that's why i have trouble seeing why mine won't go atleast 3000
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post #4 of 6 Old 08-13-2008, 01:38 PM
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The brakes are not holding it. the converter is not the issue

Tim

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post #5 of 6 Old 08-16-2008, 10:34 AM
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I have a 3500 stall, so far I've gone up to 2800 on the brakes (stock) with no problem and think I can go higher. So I agree with gray86hatch you need better brakes or the ones you have redone.

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Old best 1/4-11.056 @ 123.62 mph Spinning real bad! Old setup
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post #6 of 6 Old 08-17-2008, 09:06 PM Thread Starter
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Thumbs up it's fixed!!!

I fixed my problem turns out the rear brakes were not good enough


here is what we did to fix the prob

went to the local napa store and found a bigger bore set of

wheel cylinders that fit original backing plate

here is the funny part i ordered 79 Pinto wheel cyl

the stock ones were 3/4 bore the Pinto's are 7/8

before the chage the most on the footbrake was 2500

changed cylinders and have seen 3600 on a crappy floor

prob will go 3800 to 4000 on a good track

just thought i would let everyone no incase some others

are having a similar problem

thanks for the replies

Joey
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