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Need some advice. Just found out I have a turbo block in a N/A car.

As stated above I recently found out after months of work putting this engine back together that it is a turbo block. The problem is that it is in a n/a car. What are my best options to get this car running? What kind of $$ am I looking at to buy all of the turbo parts? Would it be easier to swap in n/a pistons? I dumped alot of money buying new parts to get this running right and now this happens!!

Old 03-28-2008, 07:33 AM
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well, if it has the NA pistons, you are ok. if not, you will need to change the engine out, change the pistons, or turbo/supercharge it. turbo/supercharging will cost you more than buying a 944 turbo, almost for sure.

what i am trying to figure out is how you put the engine back together and didn't know it was a turbo block and/or had turbo pistons.
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Last edited by nynor; 03-28-2008 at 08:17 AM..
Old 03-28-2008, 08:15 AM
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Well, the longblock was already assembled. The guy that I bought the car from was planning on putting in a LS1 so he was taking everything apart. The previous PO was the one that had been working on the engine.
Old 03-28-2008, 09:16 AM
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hmm... it is possible that there are NA pistons in there, but i doubt it from your compression numbers. what a bummer. the upside is that you can sell it and get an NA motor for less money than you sell it for, most likely.
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Old 03-28-2008, 09:18 AM
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If I take the head off, how will I be able to tell if they are n/a or turbo pistons??
Old 03-28-2008, 09:28 AM
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The shape of the piston tops is different.

Turbo pistons

N/A pistons
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Old 03-28-2008, 09:43 AM
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i'd at least attempt peeking in the spark plug hole before you go to the trouble of pulling the head.
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Old 03-28-2008, 09:57 AM
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I will do that. I pray that I don't have to!
Old 03-28-2008, 10:17 AM
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what's the difference in the actual block? anything?
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Old 03-29-2008, 07:00 PM
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block and crank are the same, the difference was pistons and heads. iirc the cam was the same too.
Old 03-29-2008, 07:31 PM
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different durations on the cam.

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Old 03-29-2008, 07:40 PM
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