Rev drop.

Cass · 12th March 2007, 06:03 PM

Here we go again another drama with the car.

When the 2nd turbo is about to come online the revs drop from 4000rpm down to 3000rpm and the BOV sounds off then revs go back up again and then drop a little bit then goes fine till next gear and the same story over again.

Any idea

is going on there then

Martin F · 12th March 2007, 07:28 PM

If the revs are defenitely dropping then it sounds like your clutch is slipping

six_impressive_hours · 12th March 2007, 08:07 PM

Quote:

Originally Posted by Martin F

If the revs are defenitely dropping then it sounds like your clutch is slipping

Would the revs not rise if the clutch was slipping, without a corrosponding increase in roadspeed?

jamesy

Martin F · 12th March 2007, 08:16 PM

Yep, you're right.

Ignore me, think I left my brain in bed today.

J-S14A · 12th March 2007, 08:23 PM

Wastegate maybe?

Cass · 12th March 2007, 10:09 PM

Don't be to quick to put your self down Martin as the latest news just in.

I just dropped maz and kids off at the ferry port and on the way back as i rejoined the motorway i built up speed and the revs went soaring up as if the car was netural.
And i got the disgusting smell of burning clutch so kept it to 50mph till i got home.
1st gear judders as if it wants to stall which aint good on a hill start at lights with cars at the rear.
I'm thinking my clutch plate is well and trully goosed.

Any idea on how much cash this is going to set me back.

Will i go to Mr.T. Or get an aftermarket one?

Martin F · 12th March 2007, 10:38 PM

Well if you think it is the clutch then try it a couple more times just to be sure, there are also inspection covers on the bell housing.

Which one you go for really depends on the ultimate goals of your car. However don't be too quick to dismiss the stock setup as it is very good. A mild upgrade is to go for one of the stock based clutches with a pressure plate where it has been fettled to give slightly increased pressure. Plenty of suppliers of this type, TRD, RPS, Chris Wilson, Exedy.

Just be sure to budget on replacing the flywheel as well, as most of the time these are past their best as well and can't be re-surfaced easily.

Cass · 12th March 2007, 11:02 PM

I retract my question about the aftermarket clutch.

I'm going to take her to Mr.t and let them deal with it as ive not got the means to do this job in my kitchen.

ozzie · 13th March 2007, 05:32 PM

lol theres some thing that just cant be done in the kitchen cass dont worry mate i have the same problem my flat mate wont let me chrome the swing arm for my moped in the kitchen let-a-lone the house!

Cass · 14th March 2007, 01:32 PM

Well i'm off down to Mr.t. to see what they say.

12th March 2007, 06:03 PM	#1
Cass Beer and more Beer Single Turbo - Auto Join Date: Aug 2006 Location: Inverness / Scotland Posts: 3,610	Rev drop. Here we go again another drama with the car. When the 2nd turbo is about to come online the revs drop from 4000rpm down to 3000rpm and the BOV sounds off then revs go back up again and then drop a little bit then goes fine till next gear and the same story over again. Any idea is going on there then __________________ "Freezing worms makes them easier to sharpen!"

12th March 2007, 07:28 PM	#2
Martin F Administrator UK Spec - Manual Join Date: Aug 2003 Location: Essex, UK Posts: 10,226	If the revs are defenitely dropping then it sounds like your clutch is slipping __________________ Martin UK6TT + Bits & Bobs 'Remember folks, the inside lane isn't just for Xmas' MSOC FAQ MSOC Members Discounts MSOC Resources

12th March 2007, 08:16 PM	#4
Martin F Administrator UK Spec - Manual Join Date: Aug 2003 Location: Essex, UK Posts: 10,226	Yep, you're right. Ignore me, think I left my brain in bed today. __________________ Martin UK6TT + Bits & Bobs 'Remember folks, the inside lane isn't just for Xmas' MSOC FAQ MSOC Members Discounts MSOC Resources

12th March 2007, 08:23 PM	#5
J-S14A rz-s single 6 on the way Single Turbo - Manual Join Date: Mar 2006 Location: YORK Posts: 447	Wastegate maybe? __________________ 1994 Uk Supra auto uk white BPU+++ 337 RWHP! Now sold to make way for: '96 6 speed rzs single gt35r Now sold to make way for: '98 6 speed SZ-R NA with 18" BBS LMs and lots of other bits. I miss my Single

12th March 2007, 10:09 PM	#6
Cass Beer and more Beer Single Turbo - Auto Join Date: Aug 2006 Location: Inverness / Scotland Posts: 3,610	Don't be to quick to put your self down Martin as the latest news just in. I just dropped maz and kids off at the ferry port and on the way back as i rejoined the motorway i built up speed and the revs went soaring up as if the car was netural. And i got the disgusting smell of burning clutch so kept it to 50mph till i got home. 1st gear judders as if it wants to stall which aint good on a hill start at lights with cars at the rear. I'm thinking my clutch plate is well and trully goosed. Any idea on how much cash this is going to set me back. Will i go to Mr.T. Or get an aftermarket one? __________________ "Freezing worms makes them easier to sharpen!"

12th March 2007, 10:38 PM	#7
Martin F Administrator UK Spec - Manual Join Date: Aug 2003 Location: Essex, UK Posts: 10,226	Well if you think it is the clutch then try it a couple more times just to be sure, there are also inspection covers on the bell housing. Which one you go for really depends on the ultimate goals of your car. However don't be too quick to dismiss the stock setup as it is very good. A mild upgrade is to go for one of the stock based clutches with a pressure plate where it has been fettled to give slightly increased pressure. Plenty of suppliers of this type, TRD, RPS, Chris Wilson, Exedy. Just be sure to budget on replacing the flywheel as well, as most of the time these are past their best as well and can't be re-surfaced easily. __________________ Martin UK6TT + Bits & Bobs 'Remember folks, the inside lane isn't just for Xmas' MSOC FAQ MSOC Members Discounts MSOC Resources

12th March 2007, 11:02 PM	#8
Cass Beer and more Beer Single Turbo - Auto Join Date: Aug 2006 Location: Inverness / Scotland Posts: 3,610	I retract my question about the aftermarket clutch. I'm going to take her to Mr.t and let them deal with it as ive not got the means to do this job in my kitchen. __________________ "Freezing worms makes them easier to sharpen!" Last edited by Cass; 12th March 2007 at 11:05 PM.

13th March 2007, 05:32 PM	#9
ozzie Senior Member Jap Spec SZ - 5 sp Manual (NA) Join Date: Jan 2007 Location: Were ever the Forces send me, Cyprus at the mo Posts: 305	lol theres some thing that just cant be done in the kitchen cass dont worry mate i have the same problem my flat mate wont let me chrome the swing arm for my moped in the kitchen let-a-lone the house! __________________ http://www.16s17s18s.co.uk for imports http://www.kinzuru.co.uk/ for racing '93 supra '91 honda dio moped '03 DRZ400

14th March 2007, 01:32 PM	#10
Cass Beer and more Beer Single Turbo - Auto Join Date: Aug 2006 Location: Inverness / Scotland Posts: 3,610	Well i'm off down to Mr.t. to see what they say. __________________ "Freezing worms makes them easier to sharpen!"

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