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Porsche Crest wheel hop on hard acc.

early 85 944 5speed .If I acc. hard from a dead stop or hit 2ed hard rear wheel hops bad is this normal ?
Old 05-11-2003, 01:23 PM
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hops? ....dont be chirpin the tires son. Its not good for the tranny.
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Old 05-11-2003, 01:57 PM
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I used to get it with my old tires... New tires fixed it. What are you using for rubber?
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Old 05-11-2003, 02:47 PM
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my tires are 215-60r15 bridgestone potenza with 70% tread left
Old 05-11-2003, 06:04 PM
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which model of potenza...speed rating?
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Old 05-11-2003, 07:31 PM
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Re: Re: wheel hop on hard acc.

Quote:
Originally posted by FR Wilk
You need new shocks?

FR Wilk
http://frwilk.com/944dme
http://frwilk.com/early944
email: motronic@frwilk.com
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Old 05-11-2003, 07:38 PM
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CHEESEY!
Old 05-11-2003, 09:23 PM
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R.HALL ANY SEGUSTONS?
Old 05-11-2003, 09:25 PM
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You need new shocks

AFJuvat
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Old 05-12-2003, 04:04 AM
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THANKS FOR THE INPUT.
Old 05-12-2003, 05:02 PM
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Wheel hop? If I understand this correctly it only happens during hard launches? My turbo suffers this to some extent, but it's not bad once out of 1st. It's caused by looseness in the rear suspension, more specifically stub axles, cv joints, and output shafts on the transaxle. Shocks may help to a degree, but they won't cause it.
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Old 05-12-2003, 05:13 PM
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Quote:
Originally posted by AFJuvat
You need new shocks

AFJuvat
Suggestion is listen to FR and AF. You need new shocks.

Why Cheesey?
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Old 05-12-2003, 05:28 PM
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you could wait and do the shocks when you replace the transmission

cheesey?
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Old 05-12-2003, 05:46 PM
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For your transaxle's sake, I hope your car has the rubber-centered clutch. That way the clutch center will grenade before the transmission.

Seriously, Porsche transmissions during the 1970's and 1980's are definitely not known for tolerating severe launches and shifts well at all. 914's have been known to shear off first gear, 924's/944's/924S's have been known to blow synchros. Bottom line, go gentle on that transaxle, the car is built for touring, not for acceleration runs. If you want to drag race, get a pony-car, it will be both faster and more reliable.

Aaron
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Old 05-12-2003, 08:18 PM
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THE TROUBLE IS IN THE RAIN.I,M NOT TRYING TO HOLESHOT THE CAR BUT IF YOU HAVE TO GET ON IT TO GET IN TRAFIAC ON WET DAYS AND IT BREAKS LOOSE SHE HOPS.
TIRES ARE CHEESEY. NO SPEED RATING ON THEM THAT I CAN FIND LOW BUDGIT BRIDGESTONS THAT CAME ON THE CAR WHEN I GOT IT
I,LL LOOK INTO SHOCKS&STRUTS ANY TIPS ON SOMETHING BETTER THAN STOCK?








BEEN WORKING ON CARS FOR 14 YEARS FOR A LIVING BUT THIS IS MY FIRST PORSCHE THAT I,VE GOT TO PLAY WITH
Old 05-12-2003, 08:22 PM
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HAD PONY CARS. GOT TIRD OF GETTING BLOWN OFF IN THE CORNERS.
DRAG CARS ARE FUN BUT TACHING OUT AT 70 ON THE FREEWAY BITES!
I'V HEARD THAT THE TRANSAXEL'S ARE WEEK. ARE THE NEWER 944 TURBO TRANSAXELS ANY BETTER? AND WILL ONE FIT WITHOUT MAJOR MOD,S?
Old 05-12-2003, 08:37 PM
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YES THE 944 TURBO TRANSAXLES ARE IMPROVED, AND ONE WILL BOLT UP TO YOUR CAR FINE, NO MODS NECESSARY. THEY DO RUN A LITTLE PRICY NOWADAYS.
Ahmet
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Old 05-12-2003, 09:03 PM
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AND I KEEP SAYING SHOCKS WON'T CAUSE WHEEL HOP, THEY MIGHT HELP DAMPEN IT, BUT NOT BY MUCH, IT'S BECAUSE OF THE PLAY IN THE REAR SUSPENSION, AND AS I SAID MAINLY IN THE REAR SUSPENSION, STUB AXLES, ETC.
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Old 05-12-2003, 09:04 PM
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Why is everyone yelling???

944S Boyeee
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Old 05-13-2003, 07:04 AM
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Quote:
Originally posted by cynthy10
THE TROUBLE IS IN THE RAIN.I,M NOT TRYING TO HOLESHOT THE CAR BUT IF YOU HAVE TO GET ON IT TO GET IN TRAFIAC ON WET DAYS AND IT BREAKS LOOSE SHE HOPS.
TIRES ARE CHEESEY. NO SPEED RATING ON THEM THAT I CAN FIND LOW BUDGIT BRIDGESTONS THAT CAME ON THE CAR WHEN I GOT IT
I,LL LOOK INTO SHOCKS&STRUTS ANY TIPS ON SOMETHING BETTER THAN STOCK?

BEEN WORKING ON CARS FOR 14 YEARS FOR A LIVING BUT THIS IS MY FIRST PORSCHE THAT I,VE GOT TO PLAY WITH
Sorry, I misunderstood you then. Completely my fault. I need to work on not making a knee-jerk reaction.

Yes, the car is not that great in the rain if it has junky tires. Right now I'm running Bridgestone Potenza RE950's and they are absolutely amazing in the wet. They are very good in the dry too, not the best, but very good and the payoff in wet performance for a car I drive every day is more than worth it. The RE950's even pushed my little car through this past winter in Pittsburgh. Made it through 14+ inches of snow without much drama at all. (Though I topped out at 10 mph in the snow, so I wasn't exactly moving very quickly.)

Aaron
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Shifting is an art. Learn it, love it, live it.
---------
Silver 1998 Volvo S70 T5 <- Daily (Anja)
Guards Red 1986 951 <- Seattle car (Gretchen)
White 1976 914 2.0 F.I. <- Prodigal car, traded away then brought back again (Lorelei)
Old 05-13-2003, 09:35 AM
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