Oldsmobile Cutlass Supreme
Chevy 350

Will a Chevy 400 small block fit in a1986 cutlass supreme?


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2009-02-08 17:11:01
2009-02-08 17:11:01

will it bolt up to a700r4 transmission

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You can find the 1993 Oldsmobile Cutlass block heater on the right hand side of the engine block. You can follow the block heater cord directly to the block heater.

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Fuse block is located behind the glove compartment. Open compartment and pull out entire box and you will see fuse block

the hot wire goes to the starter and the ground wire bolts to the engine block.


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It is hidden in the dash on a the passengers side. To locate it u must open the front passengers door.

Yes, an Olds 350 will fit if it's the rear wheel drive Supreme. It is the same basic block as the Olds 307 c.i. engine that came with some Cutlasses. Another option was the Chevy 305 which of course is the same block as a Chevy 350 (another possible option) if you are so inclined. An Olds 307, 330, 350, 403, or even a 455 will fit. The 455 will be tight and will need specific headers for the exhaust. Any Buick, Olds or Pontiac (BOP) will mount to your current transmission. If you go with a Chevy block you will need a adapter plate or a Chevy transmission. v6 and v8 engine mounts are you will also need to change them

Answer The 86 Chevy block and the 87 Chevy block are the exact same block, nothing changed, it will fit perfectly.yes

how do i set the timing for a chevy 350 small block?

The small block chevy turns in a clockwise rotation.

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The 400 Chevy is a small block engine. The 400 BIG BLOCK Chevy does not exist! 402 big block Chevy does. it seems in the early 70s Chevy put 402s in their pick ups and they had 400 badges. this opened the can of worms known as the non-existant big block 400.

I have an '87 Cutlass Supreme Broughm and my rear-defog doesnt work either but my wipers are working. My power door locks, left signal light and power seat do not work either. My 4-way hazards do work though. I am hoping that someone can tell me which fuse this might be,

Yes, and no. What year? Generally speaking the bottom of the line A-body was the F-85 A Cutlass was a better F85 A Cutlass S was a sporty Cutlass; the Supreme was a cushy Cutlass The 442 was a sportier Cutlass S The W30 was a sportier 442 Many parts are shared, all the way from the F85 to the W30, but then again many very significant parts differ- engines, cylinder heads, transmission, etc. And, of course, the packages varied every year, so you would have to specify a model year to be more exact. In certain years, 442's only got a big block engine, and no Cutlass was available with one. In general though, no, if you are paying for a 442, it better not be a Cutlass or Cutlass S.

1,8,4,3,6,5,7,2 all small block and big block firing patterns are 1,8,4,3,6,5,7,2 for Chevy

The ECM fuse is located inside the car. Open the little glove box, and pull out the liner. From there you can see the Fusebox. It is labelled ECM

I put a 1972 350 old's engine in my 1984 cutlass supreme. It had a 307 and the swap went smooth. It bolted rite up to the turbo 350 transmission also. The engines have the same block so the weight difference was no problem. My cutlass is for sale if you know anyone that is interested. My #573-692-3558 The motor has 20,000 miles on a complete rebuild. Water pump, alternator, carburetor, distributor all new with the rebuild!

A Cutlass is more or less the same thing as a Malibu or Monte Carlo. You could use motor mounts from either of those.

The 2.8, 3.1 and 3.4 are all the same block throughout all years. The only thing that really changed was the style of head, the intake, and a roller camshaft. It should be a direct swap for what you are wanting to do however.

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