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6/14/15 5:17am - Original Message: '1972 Coupe Wheel Well Center Arch Height'
miccar
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Johnston, RI - USA

Vette(s):
1972 coupe

Joined: 10/30/2012
Posts: 21
I had a composite spring on the rear of my 72 coupe crack and replaced it with a VBP 300 (315 to be exact) spring. I had it installed with a new set of standard length leaf spring bolts. I had it on the car for about 1 1/2 years now. The center wheel well arch height is about 28 3/4 inches or so in the back and 27" in the front wheels. It doesn't look bad with my 225/70/15 tires although the front looks a little cramped. What should the arch height be front and rear for my car. I can't find the figures in the service manual. I bought 8" springs and have the car at spring shop to be checked out. I am not sure if I lower the rear an inch or so if the front will come up a little. Does anyone with my tires know what their measurements are? Thanks.

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6/14/15 9:54am - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
dwa175 Gold Member
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oakville, CT - USA

Vette(s):
1979 coupe and now 2007 c-6

Joined: 7/19/2014
Posts: 183
put a matched det of front coils springs in frt,note  as car seats it will level off,i also replaced  rear sparing   and then new upper control arms and bottom arm..note  shocks do not change  height  dwaBeer

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6/14/15 3:40pm - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
kstyer Lifetime Member
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CUYAHOGA FALLS, OH - USA

Vette(s):
1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Joined: 12/2/2003
Posts: 6410
Most c3 are about the same. But due to the variations in body construction even within a given model year, they vary. Most are about 29 inches, so your front springs are likely weak. When you replace them the rear may also raise due to end to end load factors.

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On the "Tail of the Dragon"
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6/14/15 7:18pm - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
Vman73
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Gig Harbor, WA - USA

Vette(s):
1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.

Joined: 10/2/2014
Posts: 362
micar - the average wheel well specs I found in the '72 Assembly Manual are as follows:

Coupe Std. Suspension - Front 27.31, Rear 27.03
Conv. Std. Suspension - Front 27.39, Rear 26.80
Coupe and Conv. W/F41 Suspension - Front 26.73, Rear 27.07

Note that all of the heights are referenced with the '72 stock tire size of F70-15 which is the equivalent to a 215/70R15. Your 225's are a bit bigger in width, not sure about the height.

I've got a scanned copy of the page I could send you if you wish, not sure if I can post it here or not due to possible copyright issues. 

Joel or Kstyer - can you enlighten me on that one ?? Can I post a copy of that page without all of us getting into trouble with the copyright police ?? 


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John Sigmund
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6/15/15 6:31am - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
Adams' Apple Lifetime Member
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Duncanville, TX - USA

Vette(s):
#1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas

Joined: 11/8/2003
Posts: 19457
Vman73 said: Can I post a copy of that page without all of us getting into trouble with the copyright police ?? 


Upload the image to your Personal File Folder, then post a link here. I've posted dozens of pages for different assy manuals here...Thumbs Up


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Joel Adams
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6/15/15 10:55am - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
Vman73
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Gig Harbor, WA - USA

Vette(s):
1973 L82 4 Speed Coupe - Very original, well documented driver/survivor. 2016 Bend Regional NCRS Top Flight.

Joined: 10/2/2014
Posts: 362
Cool - let's give this a try.



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John Sigmund
valkman57@sbcglobal.net
NCRS Member 61302
NW NCRS Chapter Member



Duct tape is the new Black !!
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6/15/15 12:53pm - Reply: 'Re: 1972 Coupe Wheel Well Center Arch Height'
kstyer Lifetime Member
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CUYAHOGA FALLS, OH - USA

Vette(s):
1975 C3 Red, T-Tops, Black Interior. All I need is time and money! Getting there!

Joined: 12/2/2003
Posts: 6410
Yes, taller tires will raise the wheel height.  My reference was with the commonly used taller tire.   The chart will be great.

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On the "Tail of the Dragon"
(some day, no strike that, October 2008 it turned red, still in progress!)

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