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April 2nd, 2009, 12:06 AM
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#1 (permalink) |
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Registered User
Join Date: Feb 2009
Posts: 19
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350 to 455 swap
Has anyone successfully pull this swap off? Any help would be great.
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April 2nd, 2009, 04:27 AM
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#2 (permalink) |
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torque machine
Join Date: Mar 2009
Location: merrimac, W.I.
Posts: 113
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i have i actually just finished it. some info would be nice like what year and body style is your car, stock motor swaps or like me bigger intake and what not,things of that nature, i know i cant help you out as much as some of the people on here can but like i said i just finished mine so its still fresh in my mind. my biggest problem was motor mounts, which if your 350 motor and frame mounts are good you can use both of them on the 455 otherwise you have to use 455 frame and motor mounts. you cant swap those. i would also recommend using a th400 over the th350 just to be on the safe side but yea hit us up with more details about your project so we can further help you
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April 2nd, 2009, 06:26 AM
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#3 (permalink) |
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Moderator
Join Date: Sep 2006
Location: Medford, Oregon
Posts: 2,255
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350 to 455
It's pretty easy and straightforward. Do a search of threads and I believe you'll find some previous posts outlining the steps. John
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1964 Cutlass Factory 4spd 1965 442 4spd 1967 442 Auto 1967 Cutlass Convertible 1967 Cutlass four door daily driver 1968 442 Auto 1969 442 W30 Auto 1970 442 4spd 1971 Cutlass Flat Top Wagon 1973 Che*vy 3/4 Ton 454/TH400 Tow Vehicle Only the tow vehicle is finished! |
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April 2nd, 2009, 08:13 AM
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#4 (permalink) |
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Registered User
Join Date: Feb 2009
Posts: 19
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1975 Omega Salon sorry forgot to include that.
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April 3rd, 2009, 07:45 AM
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#5 (permalink) |
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Registered User
Join Date: Feb 2009
Posts: 119
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I have a 72 Cutlass supreme which was an original 350 but had a 1970 455 in it when I bought it. I have had the engine in and out of the car 4 times. Motor mounts are an issue as the original do not handle the torque of the motor. Buy the steel mounts from Dick Miller Racing. Secondly I do have a Turbo 350 trans and it will be ok until I find a Turbo 400. the turbo 400 is the way to go. If you are putting on headers you will not be able to get these in the car once the motor is in. You may also have to move the brake junction box to the top of the frame if putting on headers. Other than that be care ful puuting in the motor if you have air because it is a tight fit and it doesn't take much to hit and crack the air housing and crack it. Also wrap the headers because they produce a lot of heat.
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April 3rd, 2009, 12:00 PM
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#6 (permalink) |
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Registered User
Join Date: Feb 2009
Posts: 19
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Sorry yet again I forgot my Omega has a factory Buick 350 and I am swapping to a 455 Buick.
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April 3rd, 2009, 01:28 PM
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#7 (permalink) | |
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Super Moderator
Join Date: Mar 2007
Location: Northern VA
Posts: 4,394
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Quote:
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Joe Padavano 64 Jetstar 88 Conv 66 442 L-69 Conv 68 W-30 69 H/O 69 442 70 W-30 72 442 84 Custom Cruiser 86 Caprice wagon (w/307 Olds) |
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April 3rd, 2009, 08:35 PM
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#8 (permalink) | |
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Registered User
Join Date: Feb 2009
Posts: 19
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Quote:
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April 3rd, 2009, 08:41 PM
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#9 (permalink) |
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Moderator
Join Date: Sep 2006
Location: Medford, Oregon
Posts: 2,255
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It might take some work but I'm sure you could make it all Oldsmobile! I am more than slightly partial to the Olds 455 engine. John
__________________
1964 Cutlass Factory 4spd 1965 442 4spd 1967 442 Auto 1967 Cutlass Convertible 1967 Cutlass four door daily driver 1968 442 Auto 1969 442 W30 Auto 1970 442 4spd 1971 Cutlass Flat Top Wagon 1973 Che*vy 3/4 Ton 454/TH400 Tow Vehicle Only the tow vehicle is finished! |
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July 24th, 2009, 09:20 PM
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#10 (permalink) | |
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Registered User
Join Date: Jan 2009
Posts: 72
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Quote:
I agree 100% see what you have to do to put in a olds 455 and make it 100% olds man. |
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