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1986 turbo to 1988 block?

I saw a 1986 turbo head with all sorts of goodies in it for sale at a decent price from a seller I trust. But I was wondering could I use that head and attach it to the 2.7 liter and throw a turbo on there or would I have to do other machine work? I would rather avoid tearing the engine down completely to get it machined until I'm ready to do the rebuild. Could I run a turbo with low boost?
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Old 11-09-2017, 08:19 PM
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I saw a 1986 turbo head with all sorts of goodies in it for sale at a decent price from a seller I trust. But I was wondering could I use that head and attach it to the 2.7 liter and throw a turbo on there or would I have to do other machine work? I would rather avoid tearing the engine down completely to get it machined until I'm ready to do the rebuild. Could I run a turbo with low boost?
The head needs to be machined to match 2.7L block.

1988 944 NA models are not 2.7L though.

Dimi P
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Old 11-10-2017, 04:56 AM
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Originally Posted by Dimi 944 View Post
The head needs to be machined to match 2.7L block.

1988 944 NA models are not 2.7L though.

Dimi P
Flying Horse Motorsport LLC
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I was told that by two other people. But, i was also told that the engine in my car was a 2.7 for sure. And the car is for sure 1988. Same thing happened with my seats. People told me they were from a different year. So maybe my car is a mixmatch. But, what should be the price of that kind of work? I know decking and port and polish shouldnt be too much. But i wouldnt know what to ask for with this
Old 11-10-2017, 05:27 AM
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Originally Posted by Pipemaster View Post
I was told that by two other people. But, i was also told that the engine in my car was a 2.7 for sure. And the car is for sure 1988. Same thing happened with my seats. People told me they were from a different year. So maybe my car is a mixmatch. But, what should be the price of that kind of work? I know decking and port and polish shouldnt be too much. But i wouldnt know what to ask for with this
There is plenty of information on Rennlist on how to turbocharge a 2.7L engine. You have the base to built a 3.0L turbo. You will need a 3.0L crank, forged rods and low compression pistons to get the engine ready. Then you would need all the 951 exhaust, turbo, electronics, engine wiring, turbocharger of your choice, etc

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Old 11-10-2017, 05:35 AM
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Take a picture of the area near the #1 spark plug and post it here-- we can confirm if you have a 2.7 from that, specifically the coolant recirculation passage at the front of the intake side of the cylinder head.
Old 11-10-2017, 07:17 AM
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Quote:
Originally Posted by Pipemaster View Post
I was told that by two other people. But, i was also told that the engine in my car was a 2.7 for sure. And the car is for sure 1988....
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Originally Posted by Dimi 944 View Post
...1988 944 NA models are not 2.7L though....
Build date could be 1988 as the 2.7 was available very early in 1989 before the S2’s were in the showrooms. There is a tag next to the fuse box with the build date, maybe that is where those “other people” are getting their information from, however if it is a 2.7 it will show as a MY89 car on your VIN.

It will take a lot of work and money to boost that engine at any reasonable way to make it worth the effort. You could buy a turbo engine and harness and spend much less money with better results and you could quite easily tune that turbo engine to a reliable 300+hp without any machining or such. The other (non-engine) stock parts you would need to fit the turbo engine are relatively cheap and readily available, then once you have it all working, update your brakes, suspension and drivetrain to handle the extra power.
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Current: 1986 951; 1986 944; 1986 944 (Track); 2000 996 (Cab); 2005 CL55 AMG; 2009 GTS V8 (6-Speed).
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Old 11-10-2017, 08:14 AM
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You have to have a 2.5 if your car is an '88 944 because Porsche didn't start production of the 100 mm bore 3.0 L blocks until late 88 for the 89 model year.

Under the hood by the fuse box there is a Federal Motor sticker that has the production date of your car; what year does it show? Also your VIN would tell.
Old 11-10-2017, 08:56 AM
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Why not just look a the engine serial number? If it starts with M44.11 or M44.12 it is a 2.7 block. You never know where the spare parts came from on our old cars.

88+ engine blocks are numbered on the exhaust side towards the firewall on the same plane as the head gasket.

Peter
Old 11-17-2017, 06:39 AM
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