wrong flywheel - The 1947 - Present Chevrolet & GMC Truck Message Board Network

RyanG · 06-08-2007, 06:42 PM

I purchased the following flywheel p/n 12551367 from GM for my 2001 LS1 5.7L. The holes are too far apart and I need to bolt up to my th350. Can anyone tell me which flywheel I need.

RyanG · 06-08-2007, 09:28 PM

Well I stoped crying and made the holes longer. It should work fine now

**kwmech** · 06-08-2007, 09:30 PM

Quote:

Originally Posted by RyanG

Well I stoped crying and made the holes longer. It should work fine now

Uhhhhmmmm, ooookay. I would have got the correct one myself.

**VetteVet** · 06-08-2007, 09:35 PM

http://www.nastyz28.com/sbcmenu.html#balance
Try this website
]
Small Block Chevy Flexplate Part Numbers
Part # DIA. Teeth Comments
471529 12.75" 153 Two-piece seal blocks, int balance
471578 14" 168 400 ext. bal, two-piece rear seal
471598 14" 168 Two-piece seal blocks, internal balance
10128412 12.75" 153 86-up, one-piece rear seal ext. balance
10128413 14" 168 86-up, one-piece seal, extra thick, HD, ext bal
10128414 14" 168 86-96, one-piece rear seal, ext. balance
14088761 14" 168 89-up 350 HO, one-piece rear seal, ext. bal.
14088765 12.75" 153 86-up, one-piece rear seal, ext. bal.
14088767 14" 168 89-up 350 HO, one-piece rear seal, HD, ext. bal

**truckdude239** · 06-09-2007, 12:40 AM

umm good luck with that the torque converter will slide in the bolt holes if you maded them longer just my .02cents

06-08-2007, 06:42 PM	#1
RyanG Registered User Join Date: Feb 2006 Location: Gilbert, Az Posts: 180	wrong flywheel I purchased the following flywheel p/n 12551367 from GM for my 2001 LS1 5.7L. The holes are too far apart and I need to bolt up to my th350. Can anyone tell me which flywheel I need.

06-08-2007, 09:28 PM	#2
RyanG Registered User Join Date: Feb 2006 Location: Gilbert, Az Posts: 180	Re: wrong flywheel Well I stoped crying and made the holes longer. It should work fine now

06-08-2007, 09:35 PM	#4
VetteVet Msgt USAF Ret Join Date: Jan 2005 Location: Kalamazoo, Michigan Posts: 8,709	Re: wrong flywheel http://www.nastyz28.com/sbcmenu.html#balance Try this website ] Small Block Chevy Flexplate Part Numbers Part # DIA. Teeth Comments 471529 12.75" 153 Two-piece seal blocks, int balance 471578 14" 168 400 ext. bal, two-piece rear seal 471598 14" 168 Two-piece seal blocks, internal balance 10128412 12.75" 153 86-up, one-piece rear seal ext. balance 10128413 14" 168 86-up, one-piece seal, extra thick, HD, ext bal 10128414 14" 168 86-96, one-piece rear seal, ext. balance 14088761 14" 168 89-up 350 HO, one-piece rear seal, ext. bal. 14088765 12.75" 153 86-up, one-piece rear seal, ext. bal. 14088767 14" 168 89-up 350 HO, one-piece rear seal, HD, ext. bal __________________ VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative.

06-09-2007, 12:40 AM	#5
truckdude239 Senior Member Join Date: Sep 2005 Location: Lewisville, Nc Posts: 10,230	Re: wrong flywheel umm good luck with that the torque converter will slide in the bolt holes if you maded them longer just my .02cents __________________ David fuller Ase Certified Mechanic Click here to help support our board!! 1971 Chevy c-10 under going a 4.8l LSx swap Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=421305 2007 Honda Accord my daily 145kmiles 2002 Honda Accord 4 door With 330k(sisters car) 2005 toyota Avalon 228k( brothers car) 2002 Sububran 5.3 245k 2000 Tahoe 5.3l 378 General manager for Marco's Carwash & lube Last edited by truckdude239; 06-09-2007 at 12:41 AM.



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