motor swap 350 to a 454??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

mfwcar11 · 11-29-2010, 12:16 AM

what all do i need to change?
its a 77 frame dropped 4bar airbags with a 84 4x4 cab and a 86 454/w400 trans out of 4x4.
do the 84 86 got computers in them?
are motor mounts the same?
and i got change the tailshaft on the trans right?
all i know sb chevy (rececars)

mfwcar11 · 11-30-2010, 11:52 PM

no help hu? oh well no matter motor is bad.

Da88burban · 11-30-2010, 11:55 PM

Whats wrong with it?

mfwcar11 · 12-01-2010, 02:06 AM

low compression in five cylinders
1-140 2-95
3-155 4-80
5-30 6-95
7-155 8-85
dam it!

11-29-2010, 12:16 AM	#1
mfwcar11 Registered User Join Date: Aug 2010 Location: merced,ca. Posts: 17	motor swap 350 to a 454??? what all do i need to change? its a 77 frame dropped 4bar airbags with a 84 4x4 cab and a 86 454/w400 trans out of 4x4. do the 84 86 got computers in them? are motor mounts the same? and i got change the tailshaft on the trans right? all i know sb chevy (rececars) __________________ 68 chevy swd fleetside LT1/700R/under construction 72 chevy swb fleetside sb400/400 trans 73 chevy swb fleetside bb454/400 trans 2inch drop spindles 4bar c notch and airbaged/Under construction 07 GMC HD Durmax Marshall Weaver

11-30-2010, 11:52 PM	#2
mfwcar11 Registered User Join Date: Aug 2010 Location: merced,ca. Posts: 17	Re: motor swap 350 to a 454??? no help hu? oh well no matter motor is bad. __________________ 68 chevy swd fleetside LT1/700R/under construction 72 chevy swb fleetside sb400/400 trans 73 chevy swb fleetside bb454/400 trans 2inch drop spindles 4bar c notch and airbaged/Under construction 07 GMC HD Durmax Marshall Weaver

11-30-2010, 11:55 PM	#3
Da88burban GM's 4 Life Join Date: Sep 2010 Location: Greenwood, SC Posts: 363	Re: motor swap 350 to a 454??? Whats wrong with it? __________________ Jack '54 Chevy 3100 "Just a Mess" '74 Chevy Super 10 468BB "One Fast Rust Bucket" '86 Pontiac Fiero GT '88 Chevy burb "Tha Big Turd" '93 GMC Safari "Bone Crusher" .................____________ .............../______l___\|___\____ ;,;,;,;,;,;,;\|__(O)_\| __l___l__(O) \|

12-01-2010, 02:06 AM	#4
mfwcar11 Registered User Join Date: Aug 2010 Location: merced,ca. Posts: 17	Re: motor swap 350 to a 454??? low compression in five cylinders 1-140 2-95 3-155 4-80 5-30 6-95 7-155 8-85 dam it! __________________ 68 chevy swd fleetside LT1/700R/under construction 72 chevy swb fleetside sb400/400 trans 73 chevy swb fleetside bb454/400 trans 2inch drop spindles 4bar c notch and airbaged/Under construction 07 GMC HD Durmax Marshall Weaver



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