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C3 with Torq Thrust D's on Them?

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Old Sep 16, 2015 | 04:27 PM
  #21  
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I think the next size up is 15" x 8.5" with 3.75" backspacing. Those will actually stick out of your wheel wells a bit.
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Old Sep 16, 2015 | 04:32 PM
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That's what I thought, and I don't want that. I'm running a 275/60 on the back, and love how this fit under the car with the stock 8" wheels.

Hmmm... I really want a set of the D style wheels, but I'm not sure how to make this work and look good with the sizes they offer.
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Old Sep 16, 2015 | 04:47 PM
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Old Sep 16, 2015 | 05:12 PM
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That looks great! Are those the older D style or the D II's?
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Old Sep 16, 2015 | 05:33 PM
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Originally Posted by AdamMeh
That's what I thought, and I don't want that. I'm running a 275/60 on the back, and love how this fit under the car with the stock 8" wheels.

Hmmm... I really want a set of the D style wheels, but I'm not sure how to make this work and look good with the sizes they offer.
I know what you mean but that is what they were using "back in the day". Here's a pic of a test mule at the GM proving grounds.



You can see how the wheels extended beyond the wheel well slightly. 15x8.5 with 3.75" backspacing was a common wheel size back then and guys liked the wide stance look. I suppose it improved handling slightly as well.
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Old Sep 16, 2015 | 06:11 PM
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Well... that photo sure looks cool. That amount, while slightly pushing it for me personally, is acceptable - and sort of old school looking which what I'm shooting for.
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Old Sep 16, 2015 | 08:52 PM
  #27  
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Originally Posted by Kid Vette
15x7 Torq Thrust D with Wilwood D8 calipers. No clearance issues.



15x 7 Torq Thrust D
Hey Kid.....

Nice looking vette...

What kind of power are you running in your engine? Auto or manual?

When you changed over to Wilwood D8 did you stay with the stock rotor size?
Did you see any need to go to large rotor?

That is where I am at in my mental debate.
My final setup will be 500+ hp 383 stroker, T56 trans and 4.11 rear.

In other threads about brakes comparing Wilwood vs a good GM stock setup, there is a mixed bag of opinions.
Some say the only improvement in braking will be with larger rotors.
The Wilwoods are a nice upgrade if the originals need to be replaced anyway.

Just wondering what you found in real world experience.

My project is at least a year away from being on the road.
I got the rims and tires as a Christmas present from my wife 2 yrs ago.

Rather than let them set (never been on the road), and if I go bigger on the rotors, I might just sell mine now to someone who wants a good deal.

Thanks for your feedback.

Bman
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Old Sep 16, 2015 | 10:37 PM
  #28  
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I am running Torq Thrust Originals on my '69, 15x5 & 15x8.5.



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Old Sep 16, 2015 | 11:58 PM
  #29  
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15x10 rear with 295/50/15 15x8.5 up front with 255/60/15 but need 245/60/15 but they no longer make these tires so i cant find them dammit!!no a conventional front end but the wheel well are the same as factory up front maybee even a tad smaller


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Old Sep 17, 2015 | 12:12 AM
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Originally Posted by AdamMeh
Well... that photo sure looks cool. That amount, while slightly pushing it for me personally, is acceptable - and sort of old school looking which what I'm shooting for.
Here's a couple more pics with modern TT Ds, 15x8.5.






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Old Sep 17, 2015 | 12:41 AM
  #31  
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Originally Posted by bmans vette
Hey Kid.....

Nice looking vette...

What kind of power are you running in your engine? Auto or manual?

When you changed over to Wilwood D8 did you stay with the stock rotor size?
Did you see any need to go to large rotor?

That is where I am at in my mental debate.
My final setup will be 500+ hp 383 stroker, T56 trans and 4.11 rear.

In other threads about brakes comparing Wilwood vs a good GM stock setup, there is a mixed bag of opinions.
Some say the only improvement in braking will be with larger rotors.
The Wilwoods are a nice upgrade if the originals need to be replaced anyway.

Just wondering what you found in real world experience.

My project is at least a year away from being on the road.
I got the rims and tires as a Christmas present from my wife 2 yrs ago.

Rather than let them set (never been on the road), and if I go bigger on the rotors, I might just sell mine now to someone who wants a good deal.

Thanks for your feedback.

Bman
Thanks for the kind words!

I'm probably running 350 HP if I'm lucky. Its just a .040 over 350, Comp Cams XE262, stock cast iron high compression heads with a Muncie M20. But my car is pretty light and I'm more focused on having a nimble responsive car than a rocket so I'm happy with it. Probably go to AFR 180 heads at some point in the future though.

Pretty much depends on your driving style whether larger rotors are necessary. I stayed with the stock size. The Wilwood D8s have made a noticeable improvement but some of that could be attributed to the braided brake lines and pad lining material. You also have the benefit of less unsprung weight, stainless open ended pistons with less heat transfer, no more leaking lip seals, etc. I have manual brakes and feel no need for power. But it just depends how far you want to go.

OK, now back to TT Ds. If you are buying used wheels you need to be aware that the TT Ds manufactured between 1988 and 2003 don't have the relief for disc brake calipers so won't work on a Vette. That's why a lot of people say they won't work without spacer. But all manufactured since 2003 fit just fine.

Last edited by Kid Vette; Sep 17, 2015 at 12:43 AM.
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Old Sep 17, 2015 | 01:08 AM
  #32  
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Originally Posted by Kid Vette
Thanks for the kind words!

I'm probably running 350 HP if I'm lucky. Its just a .040 over 350, Comp Cams XE262, stock cast iron high compression heads with a Muncie M20. But my car is pretty light and I'm more focused on having a nimble responsive car than a rocket so I'm happy with it. Probably go to AFR 180 heads at some point in the future though.

Pretty much depends on your driving style whether larger rotors are necessary. I stayed with the stock size. The Wilwood D8s have made a noticeable improvement but some of that could be attributed to the braided brake lines and pad lining material. You also have the benefit of less unsprung weight, stainless open ended pistons with less heat transfer, no more leaking lip seals, etc. I have manual brakes and feel no need for power. But it just depends how far you want to go.

OK, now back to TT Ds. If you are buying used wheels you need to be aware that the TT Ds manufactured between 1988 and 2003 don't have the relief for disc brake calipers so won't work on a Vette. That's why a lot of people say they won't work without spacer. But all manufactured since 2003 fit just fine.
Thanks for the info....

I have a new set of the TT Ds and mine do clear the stock calipers no problem.
Like I said my mental debate is whether to go to larger rotors and that will require going to a 16, 17 or 18" version of the Torq Thrusts.
Its a constant battle isn't it?
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Old Sep 17, 2015 | 11:03 AM
  #33  
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Originally Posted by Kid Vette
Here's a couple more pics with modern TT Ds, 15x8.5.






can you tell me what size front tire you are useing??
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Old Sep 17, 2015 | 12:04 PM
  #34  
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BTW - there is a Sticky at the beginning of C3 Tech that addresses wheel and tire combos.

Check it out also.

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Old Sep 17, 2015 | 01:35 PM
  #35  
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Originally Posted by blunblk68
can you tell me what size front tire you are using??
Are you asking what tire I'm using or about the tires in the pics? The L-88 in the pic has racing tires and unfortunately is not mine.
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Old Sep 17, 2015 | 02:12 PM
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Old Sep 17, 2015 | 06:14 PM
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Here's mine: 255-60-15; Old Torque Thrust D's. A slight bulge.
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Old Nov 28, 2015 | 06:38 PM
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Originally Posted by grancuda
I am running Torq Thrust Originals on my '69, 15x5 & 15x8.5.




The TTO's look AWESOME on your C3! I assume These are the latest TTO's (VN309) with 3.8 Inch Backspace, and -24mm Offset. Did you have to use wheels spacers with the straight spoke of the TTO, or did they clear the brake calipers in the back? I absolutely love those wheels...

Last edited by Alex66; Nov 28, 2015 at 06:39 PM.
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Old Nov 29, 2015 | 06:11 AM
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Originally Posted by Alex66
The TTO's look AWESOME on your C3! I assume These are the latest TTO's (VN309) with 3.8 Inch Backspace, and -24mm Offset. Did you have to use wheels spacers with the straight spoke of the TTO, or did they clear the brake calipers in the back? I absolutely love those wheels...


Push!
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Old Nov 30, 2015 | 12:34 PM
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Originally Posted by grancuda
I am running Torq Thrust Originals on my '69, 15x5 & 15x8.5.



Wheels look great, sorry to get a little off topic but curios what is the paint color / code??

Dave
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