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Thread: Gen 1 crank in lt1?
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02-27-2013, 07:36 PM #1
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Gen 1 crank in lt1?
Just wondering if anyone on here has any first hand experience with the adapters? Are they nice? Any problems with them leaking?
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02-27-2013, 07:44 PM #2
"The Hammer"
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I have no personal experience, but everything I've read on the forums seems to indicate that they have trouble sealing to the block and it seems like there is almost constant oil leaks with them. There are a few who reported good results, but that was with meticulous installation and some kind of alignment tool
Last edited by 94Blackbird; 02-27-2013 at 07:49 PM.
"Only in the Corps can you put three guys in a room with an anvil and a rubber mallet, come back 15 min later, and the anvil is broken, the rubber mallet is missing, and nobody saw a damned thing!"
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02-27-2013, 08:15 PM #3
The FABRICATOR!
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Are you talking about a 2 piece rear main seal adapter?
Chris
1985 Monte Carlo SS
Mods: 9:1 383 LT1, Ported Trick Flow heads, D1SC Procharger, 4L80E, 3.50 9"
Check out the M122 MCSS build thread here!
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02-27-2013, 08:16 PM #4
"The Hammer"
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Has to be. Unless he's unaware that any 1 pc rear main 350 crank will work in a Gen 2 block.
Originally Posted by firebird_1995
"Only in the Corps can you put three guys in a room with an anvil and a rubber mallet, come back 15 min later, and the anvil is broken, the rubber mallet is missing, and nobody saw a damned thing!"
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02-27-2013, 08:22 PM #5
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Any pre-87 SBC crank will work with the mentioned 2-piece RMS adapter. They don't leak when installed properly.
-Joe-
95 T/A.
Advanced Induction 383 - 10.81 @ 124.16, 1.43 60' Video of 10-second pass - 455whp/445wtq
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02-27-2013, 08:38 PM #6
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I was referring to a 2 piece crank in a lt1 yes. I have a lot of good parts for a pre 87 block and and trying to determine to sell them or try and use them
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03-01-2013, 11:30 AM #7
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I would suggest getting a GM Performance Parts catelog (http://www.gmperformancemotor.com/) and getting the GMPP 2-piece main seal adaptor.
It's just me.....but on a GM engine, I'd be inclined to trust a GM part first.
And as mentioned; with proper installation you'll have no issues with leaks.
KW1996 Impala SS --- 398ci, Solid Roller Custom Cam, AFR 210 Competition Heads, AS&M Monoblade, Long-Tube headers, Dynomax Exhaust, 4.10 Gears, Eaton Posi
1995 Impala SS --- 355ci, 52mm TB, Dynomax Exhaust, 3.42 gears, Detroit Tru-Trac Posi
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03-01-2013, 05:19 PM #8
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ok thanks guys i appreciate it
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