Re: flywheel question- one piece seal vs. two piece seal.
It is indeed an 86 up issue . I know 85's weres not part of this problem. the only thing you will encounter is dipstick issues. It's harder to cure the dipstick issue if you are going the way i am because of the stupid upswept exhaust manifolds they started using in 82.
I think the 86 up flywheel bolts MAY?? be a diferent size too. crossy
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"been there, done that, ruined the T-shirt".
2007 LBZ GMC Sierra, ECSB
2006 LM7 RCSB Silverado
98 Vortec project.
94,3500,6.5L 4L80
81 SWB GMC POS finally gone
73 Pinto, stock, w/CragarSS's-eww 
84,C10 SWB-Yella,stock
86 K10 SWB-Red, hopped up 305,4/S
LOTS of Cummins trucks.
Last edited by crossy; 07-29-2007 at 09:23 PM.
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