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04-05-2013, 06:11 PM
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#1 |
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Registered User
Join Date: Mar 2013
Location: leland nc
Posts: 30
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crate motor crazy
Okay , i have a 86 c10 with a bad 305 . I was looking at gm crate motors ,,,350/260 ,,,,350/290 and 350/300. i am told the only difference is the cam ? Now 86 being the changing year for 2 peice to one peice rear main seal.. now i'm pulling my hair out . The gm parts guy said none of the crate motors would work, just rebuild the 305. Seems to me a flex / trans plate would take care of hat .. somebody please shed some light on this ...
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04-05-2013, 06:18 PM
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#2 | |
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: crate motor crazy
Yeah, your guy is off base here.
The only difference that would matter is the flexplate. The bolt pattern changed. Otherwise everything else will bolt up fine. I would never rebuild a 305.
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Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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04-06-2013, 06:55 PM
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#3 | |||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,978
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Re: crate motor crazy
Quote:
 Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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04-05-2013, 07:39 PM
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#4 |
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*** That's interesting ***
Join Date: Oct 2008
Location: Pittsburgh, PA
Posts: 2,772
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Re: crate motor crazy
Yep, change the flexplate.
Depending on your state, he may not legally be allowed to tell you to exhange an engine unless it is a 100% stock replacement (ie: same motor). Some states are funny about engine swaps and emissions especially if it's a daily driver and not registered as an antique (or off-road use only). The easy test is to tell him it's an off-road 4-wheeler only. Then he may suddenly say "sure, that engine will work great!" Or he is just clueless and didn't want to deal with you.
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Tom  Chevy by day... 1969 Chevy C30 Rollback Tow Truck -- 383 stroker, 4L80E 2011 Chevy Caprice PPV 9C3 6.0L 1995 Chevy Caprice 9C1 1994 Chevy Caprice 9C1 #3 1995 Chevy Caprice Wagon #2 1995 Chevy Impala SS Mopar by night... 1969 Dodge Charger 1972 Chrysler Newport 2dr Hardtop (27K miles) Plus others... |
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04-05-2013, 09:03 PM
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#5 |
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Fabricate till you "puke"
Join Date: Jun 2002
Location: Ill
Posts: 9,402
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Re: crate motor crazy
The "OUCH" part of that GM crate, is that they will warranty that 350...IF a 350 came out of that truck? Just a 'heads up", but I do agree with the others (flexplate change, & you are on the run? crazyL
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69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears.... |
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