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172 gearbox
- Thread starter bam88
- Start date
imprezaworks
ClioSport Club Member
Mk5 Golf GTI :)
PH2 172
Why me, the question is so loosely worded, I walked away from it.
imprezaworks
ClioSport Club Member
Mk5 Golf GTI :)
Tough date.
PH2 172
Wham BAM thank you man.
PH2 172
Your English is perfect.
There are lots of 16 valve 2.0L engines, any one in particular?
PH2 172
2002 172 is a JC5-129, but a JC5-089 Ph1 has a higher final drive ratio which I prefer.
A JC5-130 from a 2003 172/182 will not have a speedo drive.
JamesBryan
ClioSport Club Member
I thought it was the 130 that had the bolted diff?
PH2 172
JamesBryan
ClioSport Club Member
When you say the 089 has a higher final drive, do you mean the rpm's will be less or more at say 70mph?
PH2 172
PH2 172
Correct.
Drops to 3150 rpm @ 70 mph on 16 inch rims.
JamesBryan
ClioSport Club Member
Slightly less better acceleration then, probably negligable though?
PH2 172
On paper, slightly slower 0-60, though I could get that back if I went on a serious diet.
On the plus side, you can hang on to 3rd into the mid ninety`s, removing the need to come off the power to change up.
The ratio was only changed so that the heavier Ph2 matched the lighter Ph1 0-60 time.
JamesBryan
ClioSport Club Member
Yeah, when my mate had his Ph1 he could nearly do a ton in 3rd!
My bad! I always thought the 089 was bolted and the 130 and 129 had this circlip that keeps popping out. I stand corrected. You guys were right!
Edit: How the circlip in my 089 hasn't popped yet is beyond me.
PH2 172
My suspicion is that they pop when there is lateral movement (left to right, right to left) of the engine/gearbox assembly when cornering hard.
Hence the need for solid engine mounts.
JamesBryan
ClioSport Club Member
Full lock and give it a boot full usually pops them.
PH2 172
I`ll try to avoid doing that then.:smile:
JamesBryan
ClioSport Club Member
Vary rare when that situation is needed, but years ago at the car meets it was popular when pulling out of tight car parks to give it some beans and light the wheels up. Subsequently the circlip popped.
JamesBryan
ClioSport Club Member
Yeah pretty much.
think it's backlash in the diff itself pushing the pot outwards and eventually popping the clip.
NorthloopCup
ClioSport Moderator
EFA.
PH2 172
This a JC5-129 box, he just thinks its a 130.
https://www.cliosport.net/threads/172cup-engine-jc5130-gearbox.815315/
A Cup has no ABS to run a speedo, so it will be a 129 if original.