1991 454 engine questions - Team Camaro Tech
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post #1 of 5 (permalink) Old Jan 16th, 05, 01:35 PM Thread Starter
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I have just been given (!) a 1991 454 engine and tranny out of a 1991 C2500 (3/4 ton)4x4 pick-up. I haven't pulled it yet, or I would probably have all the info I need, as I could then see the numbers cast onto the rear top of the block/bellhousing area. My questions are these: I noticed the oil dipstick is on the passenger side, can it be moved to the drivers side with a different oil pan or what-ever change? Are there any "rules of thumb on these engines, such as crankshaft-forged or cast,2 or 4 bolt mains, heads-good or bad, compression ratio, etc.Also, since I understand this is a Generation "V" engine, what parts interchange with the "old" 454 big blocks? The reason I ask is that I would like to just take it out of the truck and drop it into a '68 Camaro. The truck engine runs fine, so I am not looking at rebuilding it at the present. Any info would be appreciated. Thanks.

[ 01-16-2005, 05:54 PM: Message edited by: nothinbuttaillights ]
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post #2 of 5 (permalink) Old Jan 17th, 05, 06:11 AM
 
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My '75 motor's dipstick is on the pass. side so that may be where it is at regardless of generation of the block?

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post #3 of 5 (permalink) Old Jan 17th, 05, 06:20 AM
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Gen 4 & 5 parts will interchange, but some Gen 6 will not. Rockers are not adjustable. Engines have "peanut port" heads.

This engine will do fine as is, till you can work it later. Is the engine getting its ECM, TBI, and other ancillary equipment?

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post #4 of 5 (permalink) Old Jan 17th, 05, 03:39 PM
 
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Yes, it has everything stock, however, I was thinking about taking off things such as the EFI, etc, and going with a traditional intake/holley carb. I need to study these "new" class of engines and get up to date on them. If it gets too difficult, I'll just sell it and get an "old school" big block! Thanks.
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post #5 of 5 (permalink) Old Jan 17th, 05, 04:36 PM
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Post the block casting number. There's a possibility that it could be a Mark IV and you won't have to relearn anything. I've seen 2 - 91's with 'em.

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