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R33 S2

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i got a 96 r33 s2 cat back exhaust manual boost controller (12psi) pod filter not too much mods stock ecu, i was driving home tonight and i went around a corner in 2nd (40kms a hr) give it some stick! then my car sound like a dirty old commodore when i accelerate sounds like its comming from the turbo, engine sounds normal but on idle the turbo sounds soo sick any ideas?

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I would also say you might have popped a hose off or an intercooler pipe for that matter.

The next thing you have to ask; is it still making boost? If zero your turbo is blown. If it is still boosting but it sounds rooted, try find that air leak.. If not you might want to do a compression test.

My first car underwent a "rexy conversion" under the same sort of circumstances, was thrashing its guts out and it suddenly sounded awesome! But had no power.. Compression test revealed I had blown the gasket between cyl 3 and 4.


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i had a similar problem with my 96 s2, it would accelerate fine if i was pussy footing it, but as soon as it was punished the engine basically started so sound like a chainsaw made by holden, ended up being the coilpacks breaking down. and that was after i was told by 3 96 s2 owners that it had happened to them. if u want to get some splitfire coilpacks try cj-motors. he sells them on the internet for $575. brrand new.

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Need to know more info on the noise. However at a guess it's the same problem 99% of Skylines suffer - missfiring.

15-20 year old coilpacks and some times incorrectly chosen spark plugs will cause miss firing. Especially on a cold night.

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Err...turbo shouldn't be doing anything on idle?

It could be coilpacks...if one goes on you, your car will drive like a bag of shit and vibrate while accelerating but feel not as bad when cruising and totally fine when backing off accelerator.

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thanks for the help guys! ended up being my exhaust manifold gasket and a turbo gasket that was stuffed! so its in the exhaust shop atm getting those 2 gaskets done and while he has it apart he is changing the stock front / dump pipe to a 3in.

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