Another Tru Turn/wheel size query.....1968 Camaro.. - Team Camaro Tech
Wheels & Tires What fits what?

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post #1 of 10 (permalink) Old Aug 3rd, 17, 11:26 PM Thread Starter
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Shanan
 
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Another Tru Turn/wheel size query.....1968 Camaro..

Hi Guys,

Before I get flamed - I believe I have researched this pretty well. If I missed a post somewhere, my apologies, but I was not able to find a direct answer.
Even tried PM'ing a member who I believe is running this specific config, but got no response.

My query specifically relates to the Tru Turn and acceptable FRONT WHEEL configurations.

Let's assume I am running the following:

Ridetech Strong Arms
Ridetech Tru Turn and Spindles
Viking double adjustable Shocks (with appropriate spring)
Factory disc brakes.

I am wanting to put an 18" on the front. ***The wheel type I selected can be configured with custom backspace, but widths are ONLY 8" or 9.5" wide.

I've done my research on the 18x8 - totally have that covered and had details confirmed by other kind members.

My last bit of research on wheels is about the 18x9.5 for front.

I know you can fit 9.5" wide wheel on the front with the Ridetech Tru Turn. Guys are running it. Some of these are autocross type cars though - not weekend cruisers - so I am assuming some are running pretty unforgiving suspension settings. That is fine, but given I will be weekend cruising, I do not want to be running suspension so tight I am knocking my teeth out with every bump.

Details I found in the posts are a little lacking regarding 9.5". So while I know a few guys are running them with Tru Turn, they do not mention if they did or did not need to massage inner fenders to make it happen. Or what issues they had. They do not mention suspension or spring settings or anything like that either. Nor much mention of tyre sizes.

So.......

9.5" Wide Front
Tru turn and spindle (2" drop)
Ridetech Control Arms
Adjustable Coilovers

Can anyone confirm they are running similar? If so - please confirm setup, backspace and tyre sizing you were successful with. Also advise of any issues you encountered or mods required?

Thanks in advance!
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post #2 of 10 (permalink) Old Aug 4th, 17, 03:18 AM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

The issues with 9.5 are rubbing and reduced steering radius. The tires hit the subframe when turned so you use stops which limits your turning radius. This can be a real pain on a street car.
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post #3 of 10 (permalink) Old Aug 4th, 17, 04:48 AM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

Tons of info on tru turn fitment issues over at Pro-Touring.com - Welcome to Pro-Touring.com and Ridetech TruTurn on 69 Camaro - Page 2 - Lateral-g Forums

69 X-44 Camaro, slowly upgrading to my liking...Hmmm, i guess i'll never be done
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post #4 of 10 (permalink) Old Aug 4th, 17, 07:57 AM
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Brian
 
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

I am running an 18x9.5 wheel with 5.5" backspace on the front of mine. I put a 275-35R18 tire on mine, but I had to roll the fender lip and make a cut out then box in the inner wheel well. I have the Ridetech UCA, LCA, Tru Turn, and Swaybar. It is a very tight fit. The brake and hubs used can change how far in or out your wheel will be. I used Kore 3 hubs and Z-51 brakes. Like Vega$69 said, it rubs on the frame and I have reduced turning radius, but its not affected street driving so far. I'm still working the bugs out.

Brian

'67 SS/RS 350, Muncie M20, Black with black interior.

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post #5 of 10 (permalink) Old Aug 6th, 17, 03:37 AM
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Chris
 
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

Shan, I'm having similar questions.

I'd also like to run a wide front tire without rubbing the frame or sacrificing too much turn radius. I have the full ridetech coilover kit with tru turn upgrade. I don't understand why the adjustable steering stop bolt is on the backside of the lower control arm while the tru turn steering arm has a steering stop ear that sticks down on the front side of the lower control arm. I'd think these two should be working together. Neither one of these touch anything before my old 15x8 wheel/tire with 4.5" backspacing rubs the frame.

1969 Yellow/black Std Coupe Camaro. GMPP Crate 330hp/350 + TH350 trans.
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post #6 of 10 (permalink) Old Aug 6th, 17, 06:33 AM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

To run a wide front expect reduced turning radius. Tire will hit frame. Move it out and will hit inner fender.

You can notch the frame and modify inner fenders. You can play with camber but not much.

Even with aftermarket frames and wheels over 9" and you experience reduced turning to the extent that just pulling into a parking space can require a 3 point turn. Becomes a real PIA

I would suggest max 8.5" and a 265/40 up front.
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post #7 of 10 (permalink) Old Aug 6th, 17, 11:21 PM Thread Starter
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Shanan
 
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

Hi guys,

Thanks for your comments and info. That was very helpful.

Not sure about the others on this thread, but that answers it for me.

I would want to keep the turning radius and avoid any major work. Notching frames is a BIG no no here in Australia. Regulations here are pretty strict with structural modifications like that.

So I am out. 9.5" on the front sounds like way too much work, for what I personally consider to be little reward.

I will be sticking with the 8" for the front of mine. 18x8 with 4.75 backspace as recommended by forum members. Gives me a couple of tyre options as well. 18x8.5 would be nice, but wheels I want are not available in that size and to be honest - half an inch is not going to change things too much anyway.

Cheers,
Shan
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post #8 of 10 (permalink) Old Aug 7th, 17, 03:43 AM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

Quote:
Originally Posted by Shan View Post
Hi guys,

Thanks for your comments and info. That was very helpful.

Not sure about the others on this thread, but that answers it for me.

I would want to keep the turning radius and avoid any major work. Notching frames is a BIG no no here in Australia. Regulations here are pretty strict with structural modifications like that.

So I am out. 9.5" on the front sounds like way too much work, for what I personally consider to be little reward.

I will be sticking with the 8" for the front of mine. 18x8 with 4.75 backspace as recommended by forum members. Gives me a couple of tyre options as well. 18x8.5 would be nice, but wheels I want are not available in that size and to be honest - half an inch is not going to change things too much anyway.

Cheers,
Shan
The only issue there is that you won't be able to go much bigger than a 245 or 255 on an 8" wheel.

I have 245/40/18 on 18x8 up front and 275/40/18 on 18x9 in the rear. I did the tru turn upgrade earlier this year, and will mini tub in the fall. I'm going to try running my 275's up front before deciding on a final front tire/wheel combo. FWIW, the 245's fit before the tru turn.


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post #9 of 10 (permalink) Old Aug 7th, 17, 07:03 AM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

I am going to be running 18x9s w 5.625 BS on front with a 265 tire. I picked them up on one of the boards from a guy that had them on his 68. Exact same suspension, Ridetech/C5 brakes.

Chris
1968 Camaro SS coupe, Lemans Blue/medium blue interior
LS3/T56 Ridetech Suspension
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post #10 of 10 (permalink) Old Aug 7th, 17, 04:08 PM
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Re: Another Tru Turn/wheel size query.....1968 Camaro..

Guys,
For what it is worth, Zak from Boze wheels told me that they usually do the 18x9 rims with 5.75 inch backspacing for the Tru Turn.
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