1955 Holiday 98

seastrom · August 5th, 2006, 10:13 AM

I've got a 1955 Oldsmobile 98 Holiday with the Rocket 288. Was thinking of putting in a newer Chevy 327 or Oldsmobile 350. Anybody heard of an engine swap or upgrade for these old 98's?

59-59-59 · October 4th, 2006, 09:22 PM

You should have a 324 Olds in there if it wasnt changed by someone else. Years back a friend put in a 305 Chevy in a '55 88 and it was such a pain in the neck because the exhaust manifold on the drivers side dumped directly on the steering box. Why would you put a dime - a - dozen Chevy in there? Be original ! At least go with a 394 which can physically bolt in there

Fishydoo · October 9th, 2006, 12:22 AM

PLEASE don't throw a belly button engine in there!

I have a '54, with 324 engine. I have pulled this engine, and it sits in the corner of my shop, awaiting a full resto, In the meanwhile I will use a 455 Olds engine.
You have a classic car, don't use a common old chev engine, My opinion, is it'll loose a lot of character.
It's your car, and your choice, but you asked for opinions.(?)
Good luck either way, & let us know what you decide to do.

Oldsguy · October 9th, 2006, 07:50 AM

An upgrade would be an Olds Big Block! Actually I agree with fishydoo, find yourself a nice 324, 330 or 394. Nice period engines for your '55. An Olds 350 would probably fit without too much trouble as a temorary powerplant, do you have the tranny to fit it? because I am not sure how easy it would be to fit the original tranny to the new engine.

August 5th, 2006, 10:13 AM	#1 (permalink)
seastrom Junior Member Join Date: Aug 2006 Posts: 1	1955 Holiday 98 I've got a 1955 Oldsmobile 98 Holiday with the Rocket 288. Was thinking of putting in a newer Chevy 327 or Oldsmobile 350. Anybody heard of an engine swap or upgrade for these old 98's?

October 9th, 2006, 12:22 AM	#3 (permalink)
Fishydoo Junior Member Join Date: Oct 2006 Location: New Zealand Posts: 13	PLEASE don't throw a belly button engine in there! I have a '54, with 324 engine. I have pulled this engine, and it sits in the corner of my shop, awaiting a full resto, In the meanwhile I will use a 455 Olds engine. You have a classic car, don't use a common old chev engine, My opinion, is it'll loose a lot of character. It's your car, and your choice, but you asked for opinions.(?) Good luck either way, & let us know what you decide to do. __________________

October 9th, 2006, 07:50 AM	#4 (permalink)
Oldsguy Hot Rodder at heart Administrator Join Date: May 2004 Location: Lees Summit MO Posts: 5,360	An upgrade would be an Olds Big Block! Actually I agree with fishydoo, find yourself a nice 324, 330 or 394. Nice period engines for your '55. An Olds 350 would probably fit without too much trouble as a temorary powerplant, do you have the tranny to fit it? because I am not sure how easy it would be to fit the original tranny to the new engine. __________________ Dan '77 Cutlass Supreme '46 2 door "The rocket 455.....it's a sledgehammer approach to a thumbtack world" LuxBlue of HAMB.

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October 4th, 2006, 09:22 PM	#2 (permalink)
59-59-59 Registered User Join Date: Sep 2006 Posts: 307	You should have a 324 Olds in there if it wasnt changed by someone else. Years back a friend put in a 305 Chevy in a '55 88 and it was such a pain in the neck because the exhaust manifold on the drivers side dumped directly on the steering box. Why would you put a dime - a - dozen Chevy in there? Be original ! At least go with a 394 which can physically bolt in there