Tire on da hump ??? - Team Camaro Tech
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post #1 of 7 (permalink) Old Jan 6th, 10, 01:38 PM Thread Starter
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Tire on da hump ???

guys, i have posted my dilemma in the bodyshop section as well with a diagram of my problem...I have got a new set of rushforths in 18x10s , 5.75 b/s sent to australia... and they are sitting on the hump above the lip which is trimmed up nicely to miss rubbing. Im not sure what to do? Ive seen plenty of 69s running this low in the rear end so what are you guys doing back there? the lip isnt the problem , its the 'hump' just above it.. Gav

RHD 69' 8 STACK INJECTED 383,FAST ECU, TREMECT56 6 SPEED, ATS ,SPEEDTECH, QA1s, HOTCHKIS, RUSHFORTHS , MOSER POSI 3.7, MAGNAFLOWS, ETC ETC


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post #2 of 7 (permalink) Old Jan 6th, 10, 02:36 PM
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Re: Tire on da hump ???

Is it the same on both sides,is it mini tubbed.How much room is on the inside.You may need to narrow the rear a touch....Or get a different back space.Last resort get a BFH...

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post #3 of 7 (permalink) Old Jan 6th, 10, 02:55 PM Thread Starter
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Re: Tire on da hump ???

The left side is the main problem,,,, no tubbing...tottally stock rear...im think backspace adjustment ...sucks having to do this on brand new rims

RHD 69' 8 STACK INJECTED 383,FAST ECU, TREMECT56 6 SPEED, ATS ,SPEEDTECH, QA1s, HOTCHKIS, RUSHFORTHS , MOSER POSI 3.7, MAGNAFLOWS, ETC ETC


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post #4 of 7 (permalink) Old Jan 6th, 10, 03:11 PM
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Re: Tire on da hump ???

How much room do you have on the inside.You already bought the rims can you return and get a different backspace.Did you ask the people you got the rims and tires from if they would work and if not will they take them back for a different back space.You are having this with no one in the car whats going to happin with four people in the car.

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post #5 of 7 (permalink) Old Jan 6th, 10, 04:32 PM
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Re: Tire on da hump ???

So sorry to hear you're having these issues Gavin,those wheels do look killer on your car.

As you know,I have those same wheels and I run a similar combination.Squeezing 10's on the back of a '69 Camaro is always gonna be tight but as was mentioned elsewhere,it's got to be your rearend,must be wider than stock....Jay gave you good advice on the 5.75" b/s.

Only suggestion I have is to possibly have the rear wheel pads milled down to get you a bit more room,ask Jason if this is even an option.

My car sits 23.75" from center of rear wheelwell to the ground...is yours lower?

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post #6 of 7 (permalink) Old Jan 6th, 10, 08:23 PM Thread Starter
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Re: Tire on da hump ???

Quote:
Originally Posted by musclecarjohn View Post
So sorry to hear you're having these issues Gavin,those wheels do look killer on your car.

As you know,I have those same wheels and I run a similar combination.Squeezing 10's on the back of a '69 Camaro is always gonna be tight but as was mentioned elsewhere,it's got to be your rearend,must be wider than stock....Jay gave you good advice on the 5.75" b/s.

Only suggestion I have is to possibly have the rear wheel pads milled down to get you a bit more room,ask Jason if this is even an option.

My car sits 23.75" from center of rear wheelwell to the ground...is yours lower?

John , i measured mine 23.5 from guard to ground.

im now stuck with my last option...im gunna raplace the rear quarter and modify it when its off..I was needing to replace it down the track but ive cracked my paint whacking the inner so its time to bite the bullet and relpace the earlier bad panel work.

damn !

RHD 69' 8 STACK INJECTED 383,FAST ECU, TREMECT56 6 SPEED, ATS ,SPEEDTECH, QA1s, HOTCHKIS, RUSHFORTHS , MOSER POSI 3.7, MAGNAFLOWS, ETC ETC


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post #7 of 7 (permalink) Old Jan 6th, 10, 09:24 PM
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Re: Tire on da hump ???

Thats the outer wheel house and theres nothing you can do to remove the hump. As you found out there is little room between the hump and the quarter panel. With your wheel/tire size about the only thing you can do is raise the rear end back up. You have minimal clearance on the inside as is so you cant move it to the inside much.

A friend had the same problem, he machined a 1/4" off the back side of the wheel itself and made sure the rear end was centered. He was able to make the wheels work but he had to be very careful where he drove the car and no one could ride in the back.

Thats one big pluss for the 67-68 cars, they have a little more clearance on the outside.

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