18x10 w/305/35 drag radial...standard 12-bolt! - Team Camaro Tech
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post #1 of 15 (permalink) Old Jul 27th, 09, 10:52 AM Thread Starter
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Dr. Feelgood
 
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Wink 18x10 w/305/35 drag radial...standard 12-bolt!

What can I say....room to spare!
My car's a freak,but then again...I already knew that!

These are off of my Chevelle:




That's a 18x9 with a 275/35-18...lol:




All kinds of room outside,and enough inside w/o shimming:


This car just continues to baffle me...

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post #2 of 15 (permalink) Old Jul 29th, 09, 06:13 AM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Jeez , John that makes me weep ! Ive got some new 3 peice forges there from KWC 18x10 with a 5.75 bs and i test fitted without tires and its gunna need a whack here and there plus a trim too . And im still nervous!
what the story with your front end ?


Gav

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post #3 of 15 (permalink) Old Jul 29th, 09, 09:58 AM Thread Starter
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Quote:
Originally Posted by NOVOCASTRIAN View Post
Jeez , John that makes me weep ! Ive got some new 3 peice forges there from KWC 18x10 with a 5.75 bs and i test fitted without tires and its gunna need a whack here and there plus a trim too . And im still nervous!
what the story with your front end ?


Gav
I dunno,I didn't try driving it with those 9" fronts,but clearance outward doesn't seem to be an issue,inboard however might be tough...5.5" of b/s on a stock sub might be asking too much,lol.

Rears are no problem...who needs stinking minitubs?

The Rushforths I run on the '69 are 18x10 (5.625" b/s) and 275/40's setup by Jon @ Driverzinc,no issues there obviously...

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post #4 of 15 (permalink) Old Jul 29th, 09, 03:05 PM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

JOHN!
What's with all the wheel swapping? Are you getting itchy for another wheel set??? LOL!

That car baffles even me. No way it should tuck a 305 as easily as it does. I'd be intersted in knowing how it did after you took it out for a test drive. I hardly never run anything wider than a 275 or 285 in a stock wheel well, without some mods.
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post #5 of 15 (permalink) Old Jul 29th, 09, 03:37 PM Thread Starter
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

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Originally Posted by DriverzInc View Post
JOHN!
What's with all the wheel swapping? Are you getting itchy for another wheel set??? LOL!

That car baffles even me. No way it should tuck a 305 as easily as it does. I'd be intersted in knowing how it did after you took it out for a test drive. I hardly never run anything wider than a 275 or 285 in a stock wheel well, without some mods.
No issues running it around Jon,freaky huh...?Car swollowed them up whole and spit them out,inside I had about 5/8" clearance w/o shimming.
Fronts were just for pics though,5.5" b/s may be too much for a stock sub,lol...

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post #6 of 15 (permalink) Old Jul 29th, 09, 08:05 PM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Hey John, if you get a chance, can you measure your clearance from the rear inner wheelhouse to the rolled outer fender lip at the 12 o'clock position?

Thanks. -Neil
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post #7 of 15 (permalink) Old Jul 29th, 09, 09:43 PM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Looking closely at the tire to rim sidewall on rears . It seems pretty straight (edges are equal) sidewall dosn't bulge much at all.....so id reckon those same tires mite work on mine. What brand are they John?

Looks pretty tick with them rims on there i must say , a very industrial look.


Gav

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post #8 of 15 (permalink) Old Jul 30th, 09, 09:05 AM Thread Starter
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Quote:
Originally Posted by Neil B View Post
Hey John, if you get a chance, can you measure your clearance from the rear inner wheelhouse to the rolled outer fender lip at the 12 o'clock position?

Thanks. -Neil
Will do this wknd Neil and report back.

Gav,
Both rear tires from the Rushforths and Bonspeeds are Nitto N555's,the 305's are drag radial N555R's.

Nitto is known for very "square" and "small" tires for the size compared to others.
I measured the 275/40 & 305/35 rears and amazingly,they both were right at a 11.25" cross-section so aside from height difference (if much),they are almost exactly the same width.

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post #9 of 15 (permalink) Old Jul 30th, 09, 11:14 AM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Gav,
If you need anything Nitto... let me know, we stock a lot of them, and only have a one day turn around on special order Nittos.
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post #10 of 15 (permalink) Old Jul 30th, 09, 01:43 PM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Quote:
Originally Posted by musclecarjohn View Post
Will do this wknd Neil and report back.

Nitto is known for very "square" and "small" tires for the size compared to others.
I measured the 275/40 & 305/35 rears and amazingly,they both were right at a 11.25" cross-section so aside from height difference (if much),they are almost exactly the same width.
That's good info. Just as a comparison, my '69 has 11.875" of clearance between the inner fender well and the outer lip (not rolled). With an 11.25" section tire, that leaves 5/8" of total clearance, or just 5/16" clearance on each side of the tire if you absolutely nail the backspacing. Factor in some slight differential misalignment on most cars and this combo won't work. Rolling the fenders will help a bunch though.
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post #11 of 15 (permalink) Old Jul 30th, 09, 04:38 PM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Quote:
Originally Posted by Neil B View Post
That's good info. Just as a comparison, my '69 has 11.875" of clearance between the inner fender well and the outer lip (not rolled). With an 11.25" section tire, that leaves 5/8" of total clearance, or just 5/16" clearance on each side of the tire if you absolutely nail the backspacing. Factor in some slight differential misalignment on most cars and this combo won't work. Rolling the fenders will help a bunch though.
John's car is a freak of nature, so not the ideal car to be looking to for comparable fitments. We still normally suggest a 9 or a 9.5" wide wheel with a 275 wide tire, which is 10.8" wide.
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post #12 of 15 (permalink) Old Aug 2nd, 09, 08:18 AM
 
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

That car look damn GREAT !!!!! Congrats.

I have the Nittos DR 305-35-20 on the back, but they're fit on a 20x8.5 wheel.

They look ugly.

Jon, will those 305 fit a 12" whide wheel ?

If so, can you hook me up with a set?
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post #13 of 15 (permalink) Old Aug 2nd, 09, 08:45 AM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Those look killer man. I was running 275/40/18 BFG KD's on 18x10's with 5.75" bs. Tight fit but worked just fine. What the height on the 305/35/18's??

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post #14 of 15 (permalink) Old Aug 2nd, 09, 08:52 AM
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Just got done checking out Nitto's site. They show the 305/35/18's as having a 12.4 section width and the 275/40/18 555's as having a 10.91 section. Thats a trip the measure the same. You should try some 285/35/18 555R's. Those would be about perfect.

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post #15 of 15 (permalink) Old Aug 2nd, 09, 08:56 AM Thread Starter
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Re: 18x10 w/305/35 drag radial...standard 12-bolt!

Quote:
Originally Posted by 6D9 View Post
Thats a trip the measure the same...
tell me about it...

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