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round or square gaskets

Old Nov 18, 2002 | 11:48 AM
  #1  
3504mula's Avatar
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From: Snellville, GA USA
Car: 90 Formula
Engine: 350
Transmission: 700R4
round or square gaskets

I am about to replace my blown header gaskets. I need to know if I need to buy the square or circle port gaskets. I tried to search for this topic already with no luck. Please help.
Thanks.
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Old Nov 18, 2002 | 02:06 PM
  #2  
Mark A Shields's Avatar
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Car: 99 Formula
Engine: LS1
Transmission: T56
Axle/Gears: 342
Most likely it's circle port, hi-perf motors got square ports.

Unless I'm thinking backwards, ahh crap.
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Old Nov 19, 2002 | 06:54 AM
  #3  
3504mula's Avatar
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From: Snellville, GA USA
Car: 90 Formula
Engine: 350
Transmission: 700R4
CAN ANYONE CONFIRM THIS INFO, PLEASE????
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Old Nov 19, 2002 | 01:06 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Stock heads = round.
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