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-   -   drag strip tyres (https://www.gtr.co.uk/forum/506545-drag-strip-tyres.html)

motors 8th April 2017 08:59 AM

drag strip tyres
 
What tyre would provide more grip mpss or 888. 888 is a softer tyre with more grip but less sidewall movement. Any drag racers out there that have done this comparison?

dudersvr 8th April 2017 01:46 PM

Quote:

Originally Posted by motors (Post 5236577)
What tyre would provide more grip mpss or 888. 888 is a softer tyre with more grip but less sidewall movement. Any drag racers out there that have done this comparison?

After trying both neither are anywhere near ideal but the 888 slightly had the edge, the trick is to not launch at too high a RPM/BOOST, I found that 2500 rpm in my map (but AC changed it to make boost in LC rather than just rev) gave a 1.8/9 60ft as opposed to slicks which was 1.4 and they could have handled more rpm/boost

1.4 60ft leaving at 2500rpm

http://i1182.photobucket.com/albums/...psy7u2qk3g.jpg

Ludders 8th April 2017 02:35 PM

Quote:

Originally Posted by motors (Post 5236577)
What tyre would provide more grip mpss or 888. 888 is a softer tyre with more grip but less sidewall movement. Any drag racers out there that have done this comparison?

If you have to choose between the two it would be 888s with the better launch. They are both nowhere near as good as drag radials by Hoosier or M&H but if you do not have spare wheels and have to use them as road tyres then 888 it is. The price of the Toyos in the Club Shop is brilliant!!

GTROC Tyre Shop ? GTROC



.

Hugh Keir 8th April 2017 03:29 PM

Quote:

Originally Posted by dudersvr (Post 5236769)

Such an awesome picture

motors 8th April 2017 03:39 PM

Quote:

Originally Posted by dudersvr (Post 5236769)
After trying both neither are anywhere near ideal but the 888 slightly had the edge, the trick is to not launch at too high a RPM/BOOST, I found that 2500 rpm in my map (but AC changed it to make boost in LC rather than just rev) gave a 1.8/9 60ft as opposed to slicks which was 1.4 and they could have handled more rpm/boost

1.4 60ft leaving at 2500rpm

http://i1182.photobucket.com/albums/...psy7u2qk3g.jpg

I need these tyres tomorrow Stu ***55357;***56836;

dudersvr 8th April 2017 04:37 PM

You also maybe need to think about a line lock and rwd switch to get some heat in the tyres, my line lock has a rwd switch with it, great fun





dudersvr 8th April 2017 04:40 PM

Quote:

Originally Posted by motors (Post 5236937)
I need these tyres tomorrow Stu ***55357;***56836;

Ive also got some 17" cheater slicks for TOTB and people who want to race on 'road legal' tyres, if you run slicks on rear you have to run drag radials on the front.

T2 MSW 12th April 2017 03:18 PM

Quote:

Originally Posted by dudersvr (Post 5236993)
Ive also got some 17" cheater slicks for TOTB and people who want to race on 'road legal' tyres, if you run slicks on rear you have to run drag radials on the front.

How come? As long as the rolling circumference is within 1% I thought it was fine?

dudersvr 12th April 2017 03:23 PM

Quote:

Originally Posted by T2 MSW (Post 5242009)
How come? As long as the rolling circumference is within 1% I thought it was fine?

If you run proper slick rear you cannot run a road radial upfront the car absolutley will not go in a straight line, its uncontrollable, not sure how it will react with the 17" ET streets but as I have M&H 18" drag radials it will always have those on the front.

T2 MSW 12th April 2017 03:26 PM

Quote:

Originally Posted by dudersvr (Post 5242017)
If you run proper slick rear you cannot run a road radial upfront the car absolutley will not go in a straight line, its uncontrollable, not sure how it will react with the 17" ET streets but as I have M&H 18" drag radials it will always have those on the front.


Ahhh sorry talking cross purpose, your talking about a full slick rear.

Ill be running M/T SS rears for TOTB

dudersvr 12th April 2017 04:28 PM

Quote:

Originally Posted by T2 MSW (Post 5242025)
Ahhh sorry talking cross purpose, your talking about a full slick rear.

Ill be running M/T SS rears for TOTB

How much were they? What size?

T2 MSW 12th April 2017 04:31 PM

Quote:

Originally Posted by dudersvr (Post 5242137)
How much were they? What size?

Dont know the price actually :nervous:

They are on a boat from America at the minute. 275/40/18s

Need to sell my 265/40/17s ASAP to pay for them

dudersvr 12th April 2017 04:47 PM

They do them in a 305/35/20 so could go on a stock wheel.

Takamo 12th April 2017 04:47 PM

For drag strip only then the 888's will be better especially on a hot day, personally I prefer MPSS's because they are better in other ways for day to day use, less road noise, hardly any tramlining and very good on the drag strip also but purely for the drag strip the 888's will grip better, a friend of mine has tried all three MPSS's, cup 2 's and 888's and the 888's produced better grip but also will put more stress on the driveshafts, prop and box because less spin so something has to give Derek.

T2 MSW 12th April 2017 04:50 PM

Ive been advised by Lichfields that its the spin that breaks stuff (on a 4.25 car). Avoid wheelspin at all costs was the advice.

Dont go out and gun it with launch revs at 4K and light the tyres up as then the damage is already done.

T2 MSW 12th April 2017 04:52 PM

Quote:

Originally Posted by dudersvr (Post 5242185)
They do them in a 305/35/20 so could go on a stock wheel.


Do you know how much they are though :nervous:

Its like 1k for 1 weekends extra grip, Im even smarting at the current 500


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