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Is Anything Wrong With My R33?

Nothing(V)an

By Nothing(V)an,
in Engines & Forced Induction

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Nothing(V)an Contributor

Nothing(V)an

Posted
Posted

i bought my R33 (96 gts-t S2) from an auction, therefore i was unable to drive it before purchase, probably a big mistake but its done...

anyway got it registed yesterday and having been giving it a bit of a thrash, whenever i hit a bump in the road (even potholes) the tail swings (little bit left then right), it swings more between 60-90km after that it is less noticalble. I drove it in the wet today, it swings a little more. never driven a turbo in the wet, was an experience (still in 1 piece). Why is this happening, is it normal? the tyres are in good shape

Another problem i have is most times between 5-6000rpm my exhaust makes a popping noise (3 quick pops)

sorta sounds like backfiring but not very loud?

Lastly, im pretty sure the ECU has been modified as my car does not cut out a 180, could this be related to the other problems. so im thinking i need to take her in for a tuning, anyone know of some good places in brissy?

cheers, oh and suspension is very hard, should i upgrade it?

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SLYLNE Rising Star

SLYLNE

Posted
Posted

popping noise would be your coil packs. had the same problem not long ago at the same rev range.

as for the swinging around, get wheel balance and alignment done..remember gtst is 4WS..so get front n rear done. cost about $150odd at pedders.

hope that helps..

mad082 Grand Master

mad082

Posted
Posted

the ecu may not have been modified. your speedo may just be out. on the dyno my speedo said about 195 when it hit the 180kmh limiter.

the popping my either be coils or spark plugs.

as for the tail of the car moving, i'd get a wheel alighment done and get all the suspension checked. there may be something broken or worn, or there may be a problem with the hicas system.

SLIPPERY Experienced

SLIPPERY

Posted
Posted

re swinging: you sure youre just not lighting up the rears with the lsd locking hard and both wheels losing traction, hence sliding around the palce :whistling: ...im not sure how familiar you are with cars

psybic Proficient

psybic

Posted
Posted

I have an idea how he might know that.... not the smartest idea if you are having problem with handling at less speeds...

Speed cut isn't set at exactly 180km in all ECU's... I don't know about skylines, but when exploring remaps of ECU, I was forwarded the 300zx data, speed limit was 188... slight variation in wheels or speedo calibration could easily see a few kms either way.

I love the old, throw it on a dyno for a tune... still not sure how you expect the "tuner" to alter data in the ecu if its stock, which it probably is otherwise you would probably know about it.

mad082 Grand Master

mad082

Posted
Posted
I love the old, throw it on a dyno for a tune... still not sure how you expect the "tuner" to alter data in the ecu if its stock, which it probably is otherwise you would probably know about it.

i just took mine in for a power run and saw that the speed of the dyno said 180 when the limiter hit and the speedo said higher.

RPR33 Community Regular

RPR33

Posted
Posted

"Im pretty sure the ECU has been modified as my car does not cut out a 180..."

When I got my series 2 I also noticed it would go off the clock and just keep going, so I checked the ecu and discovered a ksp tuning label on it!!

Still trying to find out what has been done as far as I can tell no speed limiter and it was a pretty aggressive stocky also no response to the solonoid earthing for ''full time full boost'' :verymad:

MBS206 Grand Master

MBS206

Posted
Posted

Rear wobble is most likely a mm or two of toe out, or quite a few mm toe in.

Mine used to shake exactly the same. Found out the car was running 3mm rear toe in.

And for my all 4 tyres aligned, and suspension/driveline checked, it cost me $50...

Don't know why on earth people think 4WS costs more :S

My wheel alignment specialist reckons the newer and more "intricate" they get, the easier they are to set up.

yummy Enthusiast

yummy

Posted
Posted (edited)

yep popping noise is probably misfiring, caused by cracked coilpacks or worn spark plugs.

also when i had my stock ecu in speed cut was at 195 on my nismo 300kmh speedo, however that is probably inaccurate due to running different diameter wheels to stock..

Edited by yummy

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