Re: RR project 700 hp street/strip
[Re: ZIPPY]
#2859848
12/14/20 02:34 PM
12/14/20 02:34 PM
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Joined: Mar 2003
Posts: 9,100 Rogue River, OR
Jeremiah
master
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master
Joined: Mar 2003
Posts: 9,100
Rogue River, OR
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I used SS front spring hangers to move the axle back on my '66 Charger and relocated the rear eye to a slider welded to the frame rail. I have good clearance with a 10.5x29.5 MT slick. Maybe the leaf spring sliders are the answer?
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Re: RR project 700 hp street/strip
[Re: AndyF]
#2859907
12/14/20 03:57 PM
12/14/20 03:57 PM
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Joined: Jan 2003
Posts: 10,044 MN
JERICOGTX
I Live Here
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I Live Here
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Posts: 10,044
MN
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Is he sticking with the original bench seat?
69 GTX
68 Road Runner
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Re: RR project 700 hp street/strip
[Re: AndyF]
#2859911
12/14/20 04:00 PM
12/14/20 04:00 PM
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Joined: Jan 2003
Posts: 14,514 So. Burlington, Vt.
fast68plymouth
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I Live Here
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Posts: 14,514
So. Burlington, Vt.
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Not that it matters...... you guys have what you have......
I ran M/T 29.5x10.5 bias ply drag slicks with the stock springs and hangers, and with the MP spring hangers/3400lb SS springs. I’ve also run a few sets of 9x30 slicks on the car. None of them ever touched the wheel well opening.
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: RR project 700 hp street/strip
[Re: AndyF]
#2859915
12/14/20 04:07 PM
12/14/20 04:07 PM
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Joined: Jan 2003
Posts: 17,907 S.E. Michigan
ZIPPY
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I Live Here
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Posts: 17,907
S.E. Michigan
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Guess I failed to communicate: that's just the way many 68 to 70 Plymouths are in stock form.....
definitely won't be a super difficult fix, anyway.
May not ever touch, even if very close! But the owner may not be happy with how close it is.
Rich H.
Esse Quam Videri
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Re: RR project 700 hp street/strip
[Re: ZIPPY]
#2859922
12/14/20 04:18 PM
12/14/20 04:18 PM
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Joined: Jan 2003
Posts: 14,514 So. Burlington, Vt.
fast68plymouth
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I Live Here
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Posts: 14,514
So. Burlington, Vt.
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After many years and many passes, the SS springs were shot, and I was ready for some Cal-Tracs. I used them with some new MP XHD springs. The MP hangers came with two sets of holes, and I just used the toward set for the XHD springs. I was running 9x30 slicks with that combo...... no issues.
On the cars where there is contact...... I assume it’s only at speed when the tire grows. How much clearance does there need to be for it to be “enough”?
68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123 Dealer for Comp Cams/Indy Heads
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Re: RR project 700 hp street/strip
[Re: fast68plymouth]
#2859924
12/14/20 04:26 PM
12/14/20 04:26 PM
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Joined: Jan 2003
Posts: 17,907 S.E. Michigan
ZIPPY
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I Live Here
Joined: Jan 2003
Posts: 17,907
S.E. Michigan
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I don't want to find out the minimum the hard way, but that's really a great question.
Moparts and FBBO both need more pics of that car.
Rich H.
Esse Quam Videri
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Re: RR project 700 hp street/strip
[Re: AndyF]
#2860083
12/14/20 10:37 PM
12/14/20 10:37 PM
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Joined: Jan 2003
Posts: 4,287 Morrow, OH
markz528
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master
Joined: Jan 2003
Posts: 4,287
Morrow, OH
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Tires are 315/60-15 so right at 30 inch diameter. That's the same tire I'm running in my 69 GTX build. Fortunately I foresaw the need to move the front lip. The RR is a very similar build to mine. Also street/strip and around 700 hp (713 hp on the dyno) with Caltracs and Gear Vendor OD..
67 Coronet 500 9.610 @ 139.20 mph 67 Coronet 500 (street car) 14.82 @ 94 mph 69 GTX (clone) - build in progress......
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Re: RR project 700 hp street/strip
[Re: JERICOGTX]
#2860569
12/16/20 01:59 AM
12/16/20 01:59 AM
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Joined: Jan 2003
Posts: 31,071 Oregon
AndyF
OP
I Win
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OP
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Joined: Jan 2003
Posts: 31,071
Oregon
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Is he sticking with the original bench seat? No, original bench seat is long gone. It has a pair of bucket seats in it now. I looked at the fender tag, not much there. Factory 383 four speed car with a 2 watt AM radio. That is about it. I'm working on the wiring and there isn't much to the dash harness. Probably about as simple as they made these cars in 1969. Once we finish it up it will be even more stripped down. The owner is deleting the heater, radio and windshield washer setup.
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Re: RR project 700 hp street/strip
[Re: fast68plymouth]
#2860647
12/16/20 10:28 AM
12/16/20 10:28 AM
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Joined: Mar 2011
Posts: 3,090 Michigan
A727Tflite
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master
Joined: Mar 2011
Posts: 3,090
Michigan
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Not that it matters...... you guys have what you have......
I ran M/T 29.5x10.5 bias ply drag slicks with the stock springs and hangers, and with the MP spring hangers/3400lb SS springs. I’ve also run a few sets of 9x30 slicks on the car. None of them ever touched the wheel well opening. How wide of a wheel did you use ?
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Re: RR project 700 hp street/strip
[Re: AndyF]
#2872506
01/11/21 12:34 PM
01/11/21 12:34 PM
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Joined: Jan 2003
Posts: 17,907 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,907
S.E. Michigan
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Very nice car 👍 Coming right along.
Not to beat a dead horse...I’ve fitted a new left quarter panel and it’s tight at the usual spot but not terrible. It seems I could have got away with it easier than I thought. Will have to wait and see how the replacement quarter fits on the right side... Might start my own thread at some point.
Rich H.
Esse Quam Videri
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Re: RR project 700 hp street/strip
[Re: moparx]
#2872762
01/11/21 06:14 PM
01/11/21 06:14 PM
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Joined: Oct 2005
Posts: 8,906 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,906
Ontario, Canada
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Tires are 315/60-15 so right at 30 inch diameter. He originally had the Dodge SS hangers in there so the rear was moved back 0.700 but he didn't know it. When the chassis shop put the new rear end in they put it in the stock location since they didn't know it should be moved back. I can fix it with some tricks. I assumed Calvert would tell him no problem and build a custom front segment but maybe they are too busy to deal with one time orders or something. Quite a while back I poseted my intention to move the rear axle back in my '69 RR for tire clearance and YOU, Andy advised against it because it would affect the rear shock angle. So I'd like to know what your tricks are that aren't going to have any negative affects
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