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07-05-2013, 08:38 PM
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#1 |
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Project: years too late.
Join Date: Dec 2007
Location: Almonte,ON,Canada
Posts: 550
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sm465 flywheel question?
Im building an 86 K1500, but I got a 79 K10 stepside given to me for parts back in the winter. Stripped the body off the frame, built the frame, kept the drive line.
350 4bbl 4 bolt, sm465... motor Is seized solid. So I have an old tbi 305 in my shed that ran great when pulled. so heres my Question: Will a 79 350 flywheel bolt up to a 1988 305 TBI crankshaft??
__________________
1971 C10 Stepper LSX 5.3/4L60E 3.73 12bolt posi. Father Son Project. In Memory of Bruce C. Shorten. Rest easy Dad. Ill take it fryom here. |
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07-05-2013, 08:57 PM
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#2 |
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Registered User
Join Date: Jan 2013
Location: Jasper, IN
Posts: 948
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Re: sm465 flywheel question?
No. In87 they went one piece rear main seal so requires different flywheel sorry...
Posted via Mobile Device
__________________
When in doubt, throttle it out! 1974 Chevrolet Custom K20 2005 Ford Ranger Edge 1985 Chevrolet Custom Deluxe C10 |
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07-05-2013, 09:01 PM
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#3 |
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Project: years too late.
Join Date: Dec 2007
Location: Almonte,ON,Canada
Posts: 550
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Re: sm465 flywheel question?
okay... would a flywheel from a 1987 sm465 work with a 79 sm465? or would i be better off to use an earlier motor?
__________________
1971 C10 Stepper LSX 5.3/4L60E 3.73 12bolt posi. Father Son Project. In Memory of Bruce C. Shorten. Rest easy Dad. Ill take it fryom here. |
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07-05-2013, 09:23 PM
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#4 |
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Registered User
Join Date: Mar 2012
Location: edgartown mass
Posts: 852
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Re: sm465 flywheel question?
as far as i know all the flywheels are the same other then bolt pattern.
the only other thing is the big blocks i think are external balince and smalls are internal. some one check that that know better????
__________________
1986 c20 "the hillbilly" 350 sm465 3.42gears 21mpg at 70mph 1985 k30 "the ice cream truck from hell" no rust az truck 197-8??? c30 "ramp truck" 454 1978 monte carlo 350 350th with 2.73 gears. no rust. sc car |
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07-06-2013, 09:55 AM
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#5 | |||
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Registered User
 
Join Date: Apr 2009
Location: New Freedom Pa.
Posts: 1,335
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Re: sm465 flywheel question?
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Here are some AC Delco part numbers 1979 > manual flywheel 388001 1987 > manual flywheel 388004 I think its more than just bolt patterns , center hub bore diameter is different. New stuff is no that expensive. Desert |
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07-07-2013, 08:19 AM
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#6 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,941
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Re: sm465 flywheel question?
More than that. ^^
You've gotta be careful to mate the right flywheel and harmonic balancer to your motor. There were internal and external balance small-blocks. I believe the 400SBC was external balance and some of the one-piece rear main seal 86+ 5.0L-5.7L motors were as well. The older two-piece rear main seal 305-350 are usually internal balance. The 5.7L, 6.2L, & 6.5L diesels were external balance. The 5.7L Olds Diesel never came with a stick in this country. I don't do big blocks so I'm not sure on those.
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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07-07-2013, 09:43 AM
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#7 | |
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Registered User
Join Date: Apr 2009
Location: New Freedom Pa.
Posts: 1,335
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Re: sm465 flywheel question?
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