One piece or two piece seal????
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Joined: Apr 2006
Posts: 162
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From: Vallejo California
Car: 84 Camaro
Engine: 355 or 5.7
Transmission: th 700 r4
Axle/Gears: stock
One piece or two piece seal????
Does any one have any pictures i need to no which one i have and im not sure???????
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From: 39.84N 105.11W
Car: '89 Trans Am GTA
Engine: WAS 350 - now L92 (alum. 378/6.2L)
Transmission: WAS 700R4, now a built T56
Axle/Gears: 3.27 9-bolt
You should be able to get the casting number from the engine block & look it up on mortec.com...
Joined: Sep 2005
Posts: 27,819
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
It has nothing whatsoever to do with EFI. There are plenty of 350 blocks with 2-pc RMS that came with FI on top of them. And even 283 and 327 ones.
Look at the back of your block where the crank comes out of it. If the crank is PERFECTLY round, and there's a big cast aluminum plate or housing sort of thing back there, it's a 1-piece.
If the crank has a funky shaped flange on it that looks sort of like a counterweight for some odd reason, and there's nothing else back there besides the block and the oil pan, then it's a 2-piece.
Look at the back of your block where the crank comes out of it. If the crank is PERFECTLY round, and there's a big cast aluminum plate or housing sort of thing back there, it's a 1-piece.
If the crank has a funky shaped flange on it that looks sort of like a counterweight for some odd reason, and there's nothing else back there besides the block and the oil pan, then it's a 2-piece.
Joined: Mar 2000
Posts: 43,187
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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
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