Flywheel/Crank Flange Bolt Pattern
Thread Starter
TECH Resident
Joined: May 2004
Posts: 792
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From: SoCal
Flywheel/Crank Flage Bolt Pattern Does anyone know what is the bolt pattern for the LS1 flywheel/crank flange? Also, will a GEN I SBC flywheel bolt to the LS1 crank flange?
Thanks,
Andy1
Thanks,
Andy1
Thread Starter
TECH Resident
Joined: May 2004
Posts: 792
Likes: 2
From: SoCal
Crank Flange and Bellhousing Bolt Pattern I got no hits on the engine side, so thought I'd ask here. Seems this info is hard to come by.
1.) What is the crank flange (flywheel) bolt pattern?
2.) Is the LS1 crank flange pattern the same as the GEN I SBC? I have been told it is except for the center hub diameter. Is it larger or smaller on the SBC I?
3.) I would like to get the bellhousing bolt pattern including the dowel pins. An engineering drawing would be great, or a link to the info.
Perhaps someone can direct me to where I can find the dimensions/information. That would be greatly appreciated.
Thanks,
Andy1
1.) What is the crank flange (flywheel) bolt pattern?
2.) Is the LS1 crank flange pattern the same as the GEN I SBC? I have been told it is except for the center hub diameter. Is it larger or smaller on the SBC I?
3.) I would like to get the bellhousing bolt pattern including the dowel pins. An engineering drawing would be great, or a link to the info.
Perhaps someone can direct me to where I can find the dimensions/information. That would be greatly appreciated.
Thanks,
Andy1
TECH Veteran
Joined: Dec 2004
Posts: 4,012
Likes: 1
From: Beaumont, TX
Hi, just saw this thread... does this help?
BTW, tightening procedure is:
Tighten the engine flywheel bolts first pass in sequence to 20 N·m (15 lb ft).
Tighten the engine flywheel bolts second pass in sequence to 50 N·m (37 lb ft).
Tighten the engine flywheel bolts final pass in sequence to 100 N·m (74 lb ft).
BTW, tightening procedure is:
Tighten the engine flywheel bolts first pass in sequence to 20 N·m (15 lb ft).
Tighten the engine flywheel bolts second pass in sequence to 50 N·m (37 lb ft).
Tighten the engine flywheel bolts final pass in sequence to 100 N·m (74 lb ft).
