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by Marf
Fri Mar 27, 2015 3:23 pm
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

Yep, if you check the tyre specs they are rated down to -10c.

Over 5 years and plenty of different rubber, they were the only tyre which allowed the car to be mobile in the snow :)
by Marf
Fri Mar 27, 2015 2:57 pm
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

I wouldnt put them on something thats used everyday though, the roadnoise on some surfaces is pretty bad and I wouldnt fancy em in very wet conditions. Say whaaaat? I ran them year round, wet dry hot freezing. In moderate rain I could launch the car on low boost (10psi) and have the rear wheels mai...
by Marf
Fri Mar 27, 2015 11:46 am
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

Gazza_DJ wrote:Ahhh, OK. I would like to try something like the AD08 on my car, but I do too many miles a year really - around 20k. I'll be sticking to regular road tyres I think!


Try em once, you'll be hooked :twisted:
by Marf
Fri Mar 27, 2015 10:42 am
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

AD08r might be as well a good choice even they are more like a street tyre, thanks. I found very little difference in outright grip comparing A048R medium compound to AD08. The AD08 was simply much better in cold and wet weather. Is this on a road car? Roughly how many miles do you get out of a set...
by Marf
Fri Mar 27, 2015 8:54 am
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

GreddyMR2 wrote:

AD08r might be as well a good choice even they are more like a street tyre, thanks.


I found very little difference in outright grip comparing A048R medium compound to AD08. The AD08 was simply much better in cold and wet weather.
by Marf
Fri Mar 27, 2015 7:51 am
Forum: Modifications
Topic: [Mk2] [Turbo] Frozen boost "600bhp" chargecooler kit. Any good?
Replies: 52
Views: 4497

Re: [Mk2] [Turbo] Frozen boost "600bhp" chargecooler kit. Any good?

kev8611 wrote: Hopefully the chargecooler fixes it as im putting it down to inlet temps and timing being pulled


What do the logs say? You have a datalogit, so hook up FC edit and collect a log :thumleft:
by Marf
Fri Mar 27, 2015 7:38 am
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Tyres size for a track on MR2 Turbo
Replies: 22
Views: 2367

Re: Tyres size for a track on MR2 Turbo

If you can't afford decent semi slicks in 16 why go bigger? Decent tyres are expensive.....

http://ears.co.uk/tyres/yokohama-ad08-t ... 43106.html

You gotta pay to play :thumleft:
by Marf
Fri Mar 13, 2015 1:48 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Looks To Nice I need some help
Replies: 86
Views: 33147

Re: [Mk2] [Turbo] Looks To Nice I need some help

Yeah I know about the turbo, just wondering which model you bought, a/r etc ?

:)
by Marf
Thu Mar 12, 2015 7:32 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Looks To Nice I need some help
Replies: 86
Views: 33147

Re: [Mk2] [Turbo] Looks To Nice I need some help

Very much enjoying the low bling factor. What kind of coating is that on the turbo and manifold?

Which of the EFR range did you go for?

Seriously considering getting a 7670 for my FD. Almost no loss of low down torque compared to the twins and more power everywhere \:D/
by Marf
Mon Feb 23, 2015 1:18 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Correct way to disable TVSV??
Replies: 22
Views: 2544

Re: [Mk2] [Turbo] Correct way to disable TVSV??

Boost was never 'limited' in first and second gear. Total myth. Not true for a Rev 3, the ECU has different boost curves for 1st, 2nd and 3rd+ gears. I know this from reverse engineering the ECU software. Indeed, and the not enough load thing is bunk, I could hit 18psi in 1st gear no problem. It's ...
by Marf
Sat Feb 21, 2015 6:00 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Correct way to disable TVSV??
Replies: 22
Views: 2544

Re: [Mk2] [Turbo] Correct way to disable TVSV??

And disabling TVSV prevents limiting of the boost if the ECU thinks the engine bay is too hot, something easily achievable on the stock IC on a vaguely warm day.
by Marf
Sat Feb 21, 2015 5:55 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Correct way to disable TVSV??
Replies: 22
Views: 2544

Re: [Mk2] [Turbo] Correct way to disable TVSV??

Refinement? Nah, more like moron mitigation technology on a car where traction control was an option. Might have also had something to do with knobbling the car a bit so it wasn't as fast as a Supra out of the blocks.

Just unplug the unit. I did that before plumbing in my Blitz boost controller.
by Marf
Thu Jan 29, 2015 9:59 pm
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: total car respray
Replies: 97
Views: 13770

Re: total car respray

ashley wrote:
GeorgeL wrote:Great Post
equally good follow up


Image
by Marf
Wed Jan 14, 2015 8:10 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Stock internals safe (ish) level of boost
Replies: 35
Views: 4094

Re: [Mk2] [Turbo] Stock internals safe (ish) level of boost

I may be wrong, perhaps I don't understand turbo compressor maps as well as I thought :thumleft:
by Marf
Tue Jan 13, 2015 1:39 pm
Forum: Modifications
Topic: [Mk2] [Turbo] Stock internals safe (ish) level of boost
Replies: 35
Views: 4094

Re: [Mk2] [Turbo] Stock internals safe (ish) level of boost

The problem in determining a safe boost level comes because you are not running the stock turbo. The stock turbo will flow x lb/min of air at 1.2bar A gt3076r will flow higher than x lb/min of air at 1.2bar. More air, more fuel, bigger bang in the cylinder. You're in uncharted waters really, even at...
by Marf
Tue Jan 13, 2015 11:28 am
Forum: MR2 MK2 1990 - 1999 NA & Turbo
Topic: Anyone Run a Turbo with no boost?
Replies: 20
Views: 3060

Re: Anyone Run a Turbo with no boost?

I thought the minimum boost pressure was controlled by the wastegate actuator spring? It's not possible on a stock turbo to run less than 6 or 7psi if everything's working properly. +1 min you can run is 7psi or 0.5bar sure you can feather around 0-0.2bar or whatever, but foot down, hi-ish rpm you ...
by Marf
Tue Jan 13, 2015 10:55 am
Forum: Modifications
Topic: [Mk2] [Turbo] Stock internals safe (ish) level of boost
Replies: 35
Views: 4094

Re: [Mk2] [Turbo] Stock internals safe (ish) level of boost

And you have a very good intercooler or big charge cooler I hope Did you just answer my question with a question? Looks like he made a statement to me. The lack of a question mark is what tells me that :thumleft: He's right though. Some perspective. 1. The stock intercooler is crap. Running stock b...
by Marf
Thu Jan 08, 2015 7:55 pm
Forum: Mk2 Bodywork & Wheels
Topic: [FINALIZED] RAYS Engineering CE28 16" Alloys Staggered
Replies: 19
Views: 3749

Re: [FINALIZED] RAYS Engineering CE28 16" Alloys Staggered

em1_matt wrote:Haha I did a track day not long ago, it was sooo cold and frosty it took and age to get warmth in them haha. R1R's gave a much faster response.


Yeah I bet the R1R warmed quicker, 120 vs 180 treadwear rating :)

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