07-22-2011, 12:12 PM
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CC Member
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Join Date: Jun 2008
Location: West Suburbs of Chicago,
IL
Cobra Make, Engine: Backdraft#357, 392CI Ford Racing, 459hp, 455ft/lbs , TKO 500, 3.43 Gears, Ceramic Coated Headers, Victor Jr. 750cfm, 17in Halibrand wheels, Sterling Gray/Silver Stripes, Gray Leather, Nitto NT05
Posts: 362
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Not Ranked
It's your Slave or Master Cylinder
Your transmission is probably fine, if you have an external slave cylinder - I'd bet it is that. I have BDR 357 (same color in fact) and have had the same issues so swapping to a new TKO won't solve the problem and it will be a big waste of money. My car did the same thing, this is a pretty common problem with Superformance, BDR etc...
1) Slave might be getting old or leaking.
2) Slave might not be alligned perfectly
3) Bad, old or burned fluid in the lines
3) Might be heat related. If it is:
Replace the slave, fluid and possibly the master cylinder, wrap the lines with heat resistent material, move them away from the headers, and make sure you have a heat shield.
No matter what: Order a new slave and bracket from Bill Littleton at Greater Cincinnati Performance Cars (the midwest Backdraft Dealer). If you replace the slave (they are cheap $120 or so) and you don't allign it perfectly - you will have the problem repeat every few months or when it is really hot out. With all the heat we are having lately, I suspect yours is heat related.
If I am right, you will soon notice that you will have trouble finding 1st gear too when it's hot, maybe 2nd too.
ALWAYS TRY THE CHEAPEST AND EASIEST FIX FIRST. I HAVE SEEN GUYS PULL ALTERNATORS FOR A BLOWN FUSE... IT IS PROBABLY NOT THE TRANNY... JUST REPLACE THE SLAVE FIRST.
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1/4 mile 11.92@115.6 and 60ft 1.632
Last edited by Jimbocobra; 07-22-2011 at 12:18 PM..
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