Suspension TECH Including Brakes, Wheels and tires

          
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  #21  
Old 01-30-2014, 10:17 AM
Colin70TA Colin70TA is offline
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Thanks for all the info Geno! I really appreciate it. The rims will be going on my 70 T/A and it has a similar suspension set up to your 72. I don't want to roll my wheel well lips but from the sounds of it I should be okay.

Thanks again for helping me out!

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  #22  
Old 01-30-2014, 04:29 PM
72blackbird 72blackbird is offline
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Originally Posted by Colin70TA View Post
Thanks for all the info Geno! I really appreciate it. The rims will be going on my 70 T/A and it has a similar suspension set up to your 72. I don't want to roll my wheel well lips but from the sounds of it I should be okay.

Thanks again for helping me out!
No worries, Colin- I think you'll be okay without rolling the wheel lips if you use a rear leaf spring with a WS6 ride height. Like I mentioned there's so much room back there I may try to squeeze a 305/35R18 on a 18 x 10 later- I see don't see why an 275/40R18 on a 18 x 9 wouldn't fit in an untouched 70-73 rear wheel well.

Geno

  #23  
Old 01-31-2014, 08:38 AM
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Originally Posted by 72blackbird View Post
No worries, Colin- I think you'll be okay without rolling the wheel lips if you use a rear leaf spring with a WS6 ride height. Like I mentioned there's so much room back there I may try to squeeze a 305/35R18 on a 18 x 10 later- I see don't see why an 275/40R18 on a 18 x 9 wouldn't fit in an untouched 70-73 rear wheel well.

Geno
Using a 5.75 backspace? You have disc brakes back there? I'm interested in the results.

One thing I've found when trying to max size is that the sidewall buldge may contact the spring when the tire squirms around corners. Something to note...

.

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  #24  
Old 01-31-2014, 01:25 PM
72blackbird 72blackbird is offline
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Originally Posted by HWYSTR455 View Post
Using a 5.75 backspace? You have disc brakes back there? I'm interested in the results.

One thing I've found when trying to max size is that the sidewall buldge may contact the spring when the tire squirms around corners. Something to note...

.
HWYSTR,
I do have a factory disc brake rear end from a 79 TA- there is still at least 3/4"-1" clearance from the sidewall to the wheelwell hump. And the 18 x 9 wheel with the 5.25" backspace still has at least another 3/4" before the outer sidewall is flush with the outer wheel lip (my wheel lips are cut/rolled).

A 305/35R18 may be too much to fit properly without sticking out of the wheelwell, but there's plenty of room for a 295/35R18. Once I get my rims I'll look at them and see if it's possible to split them to get widened. US Mags does offer the Bandit in a 18 x 10 2-piece forged design, but at $600/each it's strictly for hardcore Pro-Tourers.

I also plan to go with big brakes front and rear (Wilwood), so I'll live with 18 x 9's and 275/40R18s all around until my brake and rear end upgrades are done.

Geno

  #25  
Old 01-31-2014, 02:03 PM
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My lips are rolled too, so I may be able to do the 305s.

I'd like to try these on the driver, but it has the C6 calipers on it, and on the front, there needs to be enough clearance to clear the caliper. I have Centerlines on it now, tried an ARE wheel, and it didn't clear. Shoot, the Centerlines are close, like about 1/8" max. The driver is due for a set of wheels, not sure how I'm, going to approach that one yet.

If you upgrade your brakes, make sure you get the Wilwood templates and check clearances.

.

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  #26  
Old 01-31-2014, 02:51 PM
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Can someone provide the caliper measurement as outlined in the attached pic for the 17x9 and the 18x9s please?

EDIT: Guess it would help if I attached the pic!

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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be

Last edited by HWYSTR455; 01-31-2014 at 02:59 PM.
  #27  
Old 02-01-2014, 12:28 PM
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Anybody have a picture of a set of big inch Rally IIs on a 67 or 68 Bird?

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  #28  
Old 02-01-2014, 05:56 PM
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Not my Bird but a makes a strong argument for YO rally IIs on a 1st gen Bird. They're heavier than US mag Bandits and more expensive, but do look good.

Geno

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  #29  
Old 02-01-2014, 10:44 PM
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Yeh that is the one negative about the YOs . I noticed a decrease in braking performance due to the weight . The YOs with 275/40/17 were 8 lbs heavier than 275/50/15 with 15x8 wheel vintiques rallye 2 Steelies.

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  #30  
Old 02-03-2014, 12:42 PM
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Quote:
Originally Posted by 72blackbird View Post
Not my Bird but a makes a strong argument for YO rally IIs on a 1st gen Bird. They're heavier than US mag Bandits and more expensive, but do look good.

Geno

Thanks!

I dont know what it is about them, but the YO Rally IIs just look off, cant put my finger on it

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97 Trans Am WS6, LT1, M6, FLP LTs, Cutouts, Flowmaster catback, Jet Airfoil, K&N air filter, MSD Opti and Coil
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  #31  
Old 02-03-2014, 12:45 PM
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Quote:
Originally Posted by Captainofiron View Post
Thanks!

I dont know what it is about them, but the YO Rally IIs just look off, cant put my finger on it
It is the silver blueish looking center section. Even the US Mags in black look more like a Rally II to me.

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  #32  
Old 02-03-2014, 01:13 PM
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Originally Posted by Zyman View Post
It is the silver blueish looking center section. Even the US Mags in black look more like a Rally II to me.
Argent Silver is the OE color, fyi...

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  #33  
Old 02-03-2014, 01:22 PM
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Quote:
Originally Posted by HWYSTR455 View Post
Argent Silver is the OE color, fyi...

.
I know Argent Silver. The YO R2's are not Argent Silver.

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  #34  
Old 02-03-2014, 01:33 PM
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Quote:
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I know Argent Silver. The YO R2's are not Argent Silver.
Yeah, that's what I was trying to elude to.

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Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be
  #35  
Old 02-03-2014, 02:01 PM
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I think the CAD designer just did a bad job modeling the wheel for the CNC machine, the original RallyII has some subtle curves to its design and the YO ones just look straight, flat and very squared, I think the US Mag Bandits do a better job to get the curves right

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97 Trans Am WS6, LT1, M6, FLP LTs, Cutouts, Flowmaster catback, Jet Airfoil, K&N air filter, MSD Opti and Coil
14 Fiat 500e 83kW motor, 24kWh lithium ion battery, +2 sized summer tires
  #36  
Old 02-04-2014, 11:28 PM
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I get the impression that these are the same rims with PMD centers ...

http://www.ebay.com/itm/17x8-17x9-18...dc27de&vxp=mtr

  #37  
Old 02-05-2014, 12:00 AM
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The space in between the spokes is too open, they are black and not grey and they are too shiny like chrome. I just don't think they look right. Just my opinion. I prefer the year one ralley 2

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  #38  
Old 02-05-2014, 12:45 AM
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Quote:
Originally Posted by GTOLou View Post
I get the impression that these are the same rims with PMD centers ...

http://www.ebay.com/itm/17x8-17x9-18...dc27de&vxp=mtr
if you mean YOs your right, he sells them

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  #39  
Old 02-06-2014, 08:55 PM
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Quote:
Originally Posted by DevoBuzz View Post
Anyone find out how much these wheels weigh?
The wheels have a shipped weight of 30 lbs. each.. Not sure what a 15 x 7 Rally II weighs in comparison, but the wheel/tire combo didn't seem too bad given the size of rubber going on the car.

Geno

  #40  
Old 02-07-2014, 09:01 AM
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Anyone able to provide the caliper clearance measurements?

.

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1970 GTO Judge Tribute Pro-Tour Project 535 IA2
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1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car
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