Question about 1986 Oldsmobile Cutlass Supreme

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1986 cutlass supreme brougham

It is a 307 v8 and i gave it a full tune up and it is only running off of six cylinders and the engine is still skipping. what can i do to get it running like it is supposed to

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My signal lights (all 4) quit working, hazards still work, changed relay for hazards, didn't fix problem. checked bulbs, all good??? anyone have an idea

Posted on Aug 04, 2009

A 307 has oil filler pipe down front of engine , 305 you put oil in the valve cover

Posted on Oct 13, 2008

Make sure plug wires are in the right order.

Posted on Aug 09, 2008

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2 Answers

What motor is in a 86 cutlass supreme 4dr sedan


They had several available for that year it looks like a V-6 model and several V-8 models. I have attached the link for your review. Either copy the link or paste it into your web browser. Here is the link:

http://en.wikipedia.org/wiki/Oldsmobile_Cutlass_Supreme#Fourth_generation:_1978.E2.80.931987

I hope this helps you out and if it does please give me a YES on the web page you just received my response on. Thank you

Apr 12, 2011 | 1986 Oldsmobile Cutlass Supreme

1 Answer

Can u tell me what engine goes in my 86 olds cutlass supreme?


mines is a v8..so its a 5.0 liter 307..u can tell on ur vin number tho..it should have an h or y check ur manuel for the complete list...

Aug 06, 2010 | 1986 Oldsmobile Cutlass Supreme

1 Answer

Should i use an electric or manual choke edelbrock carb in my 86 cutlass supreme its a 307 v8


better off with a electric choke, and make sure the vacuum choke pulloff is working ,

May 04, 2010 | 1986 Oldsmobile Cutlass Supreme

1 Answer

Fuel tank size 1986 cutlass supreme brougham


IF YOU GOT A V6 -231 BUICK ENGINE. YOUR TANK WILL HOLD 18.1 GALLONS. IF YOU GOT A V8 -307 OLDS ENGINE YOUR TANK WILL HOLD 22.0 GALLONS.

Sep 11, 2009 | 1986 Oldsmobile Cutlass Supreme

3 Answers

What motor came stock in a 1986 Cutlass Supreme Broughham


The 305,or the 307 engine came out in the cutlass rear wheel drive

Aug 17, 2009 | 1986 Oldsmobile Cutlass Supreme

1 Answer

Carb loading up and engine surges at idle


I called an old mechanic friend who confirmed what I suspected. The engine control module which controls timing was the culprit. I replaced the defective unit, and the car runs like new.

Nov 17, 2008 | 1986 Oldsmobile Cutlass Supreme

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