27" tire and 3.73's
05-29-2010, 08:24 AM
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27" tire and 3.73's I have a heads/cam car that made 380 whp (terrible air in tucson) I got a 9" with 3.73's in it that I want to swap over. I have 4.11's now and kinda dislike it...would a 27x10x15 be to much tire for my car? the car hangs with 118-120 mph cars, I think it just dynoed low...anyway, is this going to be to much tire? I have a built 6 speed and will be leaving at 4500+ rpm...
05-29-2010, 06:38 PM
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I guess what I mean is, will I just bog with that big a tire and only little over 400 hp with 3.73 gears? I will be spraying later, I just want to work at getting it to hook and go straight before I start spraying... I really want 3.73's as I drive this car alot (not a daily though). I take the car on cruises,drive it to work, car shows ect...
the tires are hooiser qtp's.. I guess I'll just swap the rear and give it a shot...
the tires are hooiser qtp's.. I guess I'll just swap the rear and give it a shot...
05-31-2010, 02:56 PM
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You should not bog. If it does just fine tune it by adding air to the tires. I think you will be fine. It will not 60 foot as well n/a with the 3.73 and 27'' tire.
Depending on your rev a 26'' bias ply tire will do also. the 26'' tire will grow to 27'' going down the track. Look at the gear chart in the axles/gear section.
Depending on your rev a 26'' bias ply tire will do also. the 26'' tire will grow to 27'' going down the track. Look at the gear chart in the axles/gear section.
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06-04-2010, 05:24 AM
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Are you running out of gear? If you are then go to a taller tire.
You can never have too much tire, only not enough gear.
You need to be redlined in 4th when crossing the line
You can never have too much tire, only not enough gear.
You need to be redlined in 4th when crossing the line
06-04-2010, 11:31 AM
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I have ran the 27" x 11.5" QTP's for the last 4 years with excellent results! When I had my 6 speed with 3.73's they worked very well. Now with the TH-400 they work but the 3.73's drive the rpm's a little high when cruising so i think i am going to swap out for some 3.08's in a few months.
