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#1 |
Registered User
Join Date: Apr 2014
Location: Mansfield, Tx
Posts: 7
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HELP! 454 motor swap
Im doing a 454 motor swap and i have the monster sitting in the 86 C10. any idea what type of headers to use in the C10?
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#2 |
Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: HELP! 454 motor swap
http://www.summitracing.com/search/p...0454%20headers
Here are alot of choices , take a look and post any questions back here. Will this engine be dead stock, or...? Last edited by 68post; 01-14-2015 at 01:46 AM. Reason: less choices |
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#3 |
Registered User
Join Date: Apr 2014
Location: Mansfield, Tx
Posts: 7
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Re: HELP! 454 motor swap
Dead stock... Needing something that hoppefully i dont have to modify if so, not much but dont have a lot of cash either...
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#4 |
Registered User
Join Date: Apr 2014
Location: Mansfield, Tx
Posts: 7
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Re: HELP! 454 motor swap
Do i need full length, and will the c20 headers work?
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#5 |
Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: HELP! 454 motor swap
Yes, and yes. Those were the only listing for a 454.
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#6 |
Registered User
Join Date: Apr 2014
Location: Mansfield, Tx
Posts: 7
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Re: HELP! 454 motor swap
Ok cool! Any idea of modifications i would need to do?
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#7 |
Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: HELP! 454 motor swap
Depends the brand some of the cheap brands fit great or are far off.If money is tight run factory manifolds.What trans are going to run with it and what torque converter?
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#8 |
Registered User
Join Date: Apr 2014
Location: Mansfield, Tx
Posts: 7
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Re: HELP! 454 motor swap
Trans is th400... Ill probably get the cheaper ones then
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#9 |
Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: HELP! 454 motor swap
Shortie headers would be easier to install and probably fit better,Long tube will make more power but can be a pain to install.
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#10 |
Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: HELP! 454 motor swap
Hedman are good usually. Don't buy any but long tube , it would just be a waste of money to do so !
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#11 |
Senior Member
Join Date: Aug 2004
Location: Everett, WA
Posts: 2,316
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Re: HELP! 454 motor swap
Why is that?
__________________
2009 Honda Fit CfC (bsf 44.9 mpg) 2000 Tahoe Limited 1991 GMC CrewCab Dually 2wd, will end up swb, not dually and replace CCswb below 1991 GMC CrewCab Dually 4x4, just going to fix things up for now 1982/1989 K5/GMC Jimmy 2wd 1987 GMC 1/2 ton swb 2wd Crew (sold) |
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#12 |
Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: HELP! 454 motor swap
Long tubes will give the most total torque, most bottom-end torque,and HP.
Shorties are only marginally better than the iron manifolds, and medium length are better - but less than the full length. Cost is close or the same on all three. You'll only need smaller tube headers if the engine will be stock. If you'll be lowering the truck - try to use the med length. Good Luck !! $.02 Last edited by 68post; 01-14-2015 at 09:30 PM. Reason: no , never |
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#13 | |
Senior Member
Join Date: Aug 2004
Location: Everett, WA
Posts: 2,316
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Re: HELP! 454 motor swap
Sorry, I missed the "but" in your post and read it as "Don't buy any long tube..."
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__________________
2009 Honda Fit CfC (bsf 44.9 mpg) 2000 Tahoe Limited 1991 GMC CrewCab Dually 2wd, will end up swb, not dually and replace CCswb below 1991 GMC CrewCab Dually 4x4, just going to fix things up for now 1982/1989 K5/GMC Jimmy 2wd 1987 GMC 1/2 ton swb 2wd Crew (sold) |
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#14 |
Registered User
Join Date: Nov 2010
Location: Rustville USA or southeast Ia
Posts: 654
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Re: HELP! 454 motor swap
don't have specific advice other than that I'd order through summit. The headers I bought from them for my sbc worked great but the bigger reason to order through summit is that if you do end up with something that doesn't fit well summit has very good customer service
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Rust is better than rice. ![]() |
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#15 |
Registered User
Join Date: Dec 2012
Location: Temple City
Posts: 3,586
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Re: HELP! 454 motor swap
Long tubes are better for all out power, but shorties have there places. Either work better then factory manifolds.
Big power needs long tubes or you'll be chocking the engine up. Stock or warmed up a big t shorties do the trick. If I built a big block truck I would be running 3/4 or mod length to get the 6/8 drop I want. |
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#16 |
Registered User
Join Date: Jan 2012
Location: kansas
Posts: 55
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Re: HELP! 454 motor swap
just did this swap last spring, check out the thread "Big Block Headers". The last day posted was 1-12-2015. I have included pictures of my swap. Good luck, I love the grunt of the Big Block.
Chris |
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