9 Second guys. What size tire?
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Joined: Nov 2001
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From: LT1 land...the "409" of the 90s!
9 Second guys. What size tire? What size tire you guys running. I am flat over powering(big N2O out of the hole) my 27x11.5-15 Hoosier QTPs. I have to stay with a DOT for some of the class's I run.
I'm not running DOT, but I have run M/T 29.5x10.5x15S (car didn't like them) and the Hoosier 30x10.5x15R (car loves them). If you want to stay with DOT, what I have read, go with the M/T street radial - figure out the size - 275 or 295 would work for you. Many good things have been said about these.
David
David
Thread Starter
Joined: Nov 2001
Posts: 10,023
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From: LT1 land...the "409" of the 90s!
I am running the M/T DR 275/40-17s on the street. I do like them. We have had wheels up launch's with them.
I am thinking the 28s QTPs might be enough. I am still running a 4L60E and have a much deeper 1st gear then a th400.
What do I have to mod to fit the 28s? I got the 27s mainly because they fit with out mod's
Thanks for the help!
I am thinking the 28s QTPs might be enough. I am still running a 4L60E and have a much deeper 1st gear then a th400.
What do I have to mod to fit the 28s? I got the 27s mainly because they fit with out mod's
Thanks for the help!
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Thread Starter
Joined: Nov 2001
Posts: 10,023
Likes: 6
From: LT1 land...the "409" of the 90s!
yes yes I know they will on well prepped tracks. we don't always get well prepped tracks 
When I was talking to the M/T rep's they were extremely suprised we were getting 1.4x 60s out of the 275/40-17s with a 3,800lbs 94 Z28
Again thanks for the info everyone! I think I am going to bump up to the 28s on my Bogarts
When I was talking to the M/T rep's they were extremely suprised we were getting 1.4x 60s out of the 275/40-17s with a 3,800lbs 94 Z28
Again thanks for the info everyone! I think I am going to bump up to the 28s on my Bogarts
Originally Posted by kp
I have gone 9.70s on 28x11.5x15 QTPs last year and this year I should go 9.40s on them when it cools off
Originally Posted by White2000TA
Can you fit those on a 15x8 prostar? or do you need a 15x10?
FWIW I ran 9.32 @ 148 with a one year old used pair of the 11.5x28s QTPs a couple weeks ago at the year one race in atlanta. Not a bad tire..
I run 28"x11.5x16 Hoosier QTPs. I don't have to roll the fenders and they clear no problem. NEVER had an issue with rubbing. Even before I put air bags on there was not a problem.
The QTPs are awesome!
The QTPs are awesome!
I just went up from the 27" QTP to the 28" QTP and they look like they fit pretty good. I don't think I need to roll the fenders but I am worried about rubbing the bumpers. It only looks like about 1/2" clearance on each side. Anyone know how much these tires expand at high speeds?
My bumper and front 1/4s are BFH clearenced for 10.5x28 ET drags so there is a ton of room with the 28" QTPs. They will grow over an inch most likey, 1" all around is the minimum I would go, thats what I have for clearance with the ET drags and they will rub a little when they are new.
Originally Posted by rufretic
I just went up from the 27" QTP to the 28" QTP and they look like they fit pretty good. I don't think I need to roll the fenders but I am worried about rubbing the bumpers. It only looks like about 1/2" clearance on each side. Anyone know how much these tires expand at high speeds?
