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08-23-2014, 09:31 AM
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#1 |
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Registered User
Join Date: Jul 2011
Location: Houston, Texas
Posts: 297
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350 to 454 swap
Ok so Im taking my 350 out of my 83 long bed and shoveling in a 502 and was curious as to the driveshaft situation and tranny crossmember. Ive heard there differences that I need to address and just not certain I am having a professional perform the transplant but want to stay a step ahead to keep from holding him up. Any thoughts? or recommendations?
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08-23-2014, 10:03 AM
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#2 |
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Registered User
Join Date: Jan 2007
Location: vernon b.c.
Posts: 3,022
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Re: 350 to 454 swap
I didn,t have to do anything on mine
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08-23-2014, 09:33 PM
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#3 |
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Registered User
Join Date: Dec 2010
Location: Pittsburgh, PA
Posts: 1,009
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Re: 350 to 454 swap
Just bolt it in. Tranny and driveshaft will remain the same. You'll need to rework your exhaust but that's about it.
__________________
Steve Member of the Foot Pedal Club '83 Chevy K20: 6" Rough Country, 3" Performance Accessories BL, Bushwacker Cutouts, 38x15.50 Mickey Thompson Baja Claws, 350 HP 350 crate engine from Jegs, Turbo 400 
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08-24-2014, 05:43 AM
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#4 |
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Registered User
 
Join Date: Oct 2010
Location: Town of Summit, WI
Posts: 322
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Re: 350 to 454 swap
I swaped a 305 to a 454 ,it just dropped in. already had a 700r. All the front parts(ac/ps/pb/alt/ needed new brackets as the bolt different place on the 454.
__________________
2017 Silverado LTZ 6.2 1984 Scottsdale K10 - 468 700r 4x4 lwb 1978 GMC Sierra Grande K15 350 Soond to be 406 th350 4x4 swb 1968 GMC 20 305 V6 good ole wood hauler.  Good Fences make good neighbors |
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08-25-2014, 02:09 AM
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#5 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: 350 to 454 swap
You might wanna beef up the rest of the driveline like the trans and if you have a 10 bolt go a 12 bolt or bigger.
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