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Moving oil lines to make 275/40/17's fit help
How much room does moving these oil lines in the right rear fenderwell gain? I'm trying to get this tire and wheel combo to fit with minimal rubbing and need to know what it takes to do this. Is this an easy diy job? Any details from someone who's done it? Thx
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1980 911SC Targa 3.6L |
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Re: Moving oil lines to make 275/40/17's fit help
Quote:
You don't want any rubbing ![]() ![]()
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Mark 1987 Carrera 2018 GMC Sierra Denali 2500 Duramax 2012 Harley Davidson FLHX Street Glide |
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Thanks Mark--it sounds like some guys have made it work by moving the oil lines, rolling fenders, shaving spring plate bolts and negative camber. I know it sounds like a lot of work but what the heck. Just trying to follow what some others have done-not blaze a new trail.
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I ran 255s in the back of a stock SC with no issues, but 275 is 2 wide
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IF the wheel o/s is perfect and I do mean perfect, a 275 will just squeze in there. The lips of the wheel arch will need to be massaged and the oil line relocated into the crease and the trailing arm bolts ground down.
There are some more drastic measures that can be done as well but the above should do it. here is what my passenger side well looks like ![]() Even w/ all of the above ther is very little clearance on either side
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I ran 275's with no issues under SC flares. The spring plate bolt needs to be machined down; the oil line has to be moved; the fender lip needs to be rolled. As Bill notes, you need the correct offset for the wheel to be positioned correctly.
I didn't get rubbing, and I pushed it pretty hard (although I think this is Tyson Schmidt driving in the picture): ![]()
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Jack Olsen 1972 911 My new video about my garage. • A video from German TV about my 911 |
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God I love that car!
I have the same size on my car, no rubs ever!
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James Shira R Gruppe # 271 1972 911 Coupe 3.8 RS ‘nbr two’ 1972 911 Coupe 3.2 TwinPlug MFI 'Tangerina-Jolie' 1955 356 Pre A Coupe ‘old red’ 1956 356A Emory speedster build in progress Last edited by mjshira; 02-02-2006 at 01:31 PM.. |
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Bill, Jack, and MJ: what brand tires are you running? It seems to me that shoulder profile would be a significant issue, yes?
With regard to grinding, we are talking about the spring plate to trailing arm bolts? Couldn't I just use a shorter bolt? Len VanderJagt |
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Thanks for the help. What exactly needs to be done to the springplate bolt? Which tool to I use to grind it down? Do I leave it on the car when I do this? How much can I take off? I'm adjusting the position of the wheel now using spacers. The 1" spacer I have on now pushes the wheel out too far. I'm shooting for 1/2" spacers and will move the oil lines, grind springplate and Elephant Racings Cambermax to achieve 2 or 3 deg negative camber to make this work.
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I am running yoko's again, no issues.
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James Shira R Gruppe # 271 1972 911 Coupe 3.8 RS ‘nbr two’ 1972 911 Coupe 3.2 TwinPlug MFI 'Tangerina-Jolie' 1955 356 Pre A Coupe ‘old red’ 1956 356A Emory speedster build in progress |
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Sorry Jon I stand corrected, both Bill and Jack have a ton of knowledge
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Oh, sorry, the camber and toe eccentric bolt heads need to be shaved.
Duh. Len |
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Quote:
![]() Yes, there are differences in measured dimesions, width, height and shoulder profile vary between the makers from nominal. The above pic is w/ a Dunlop 9000 they are ampong the widest and have pretty square shoulders ![]()
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Or, the spring plate adjusting bolts on a stock spring plate. I am running the SAW plates. I'll get there.
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Oh, OK. I've got it now. Thanks again.
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Okay, who wants to reveal the "perfect offset" that keeps getting mentioned?
Cheers
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Turn3 Autosport- Full Service and Race Prep www.turn3autosport.com 997 S 4.0, Cayman S 3.8, Cayenne Turbo, Macan Turbo, 69 911, Mini R53 JCW , RADICAL SR3 |
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Depends on the wheel width my Kinesis 9.5"s are +19mm
Jacks 10"s were +16.8mm
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its a very "evil" secret :-D
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James Shira R Gruppe # 271 1972 911 Coupe 3.8 RS ‘nbr two’ 1972 911 Coupe 3.2 TwinPlug MFI 'Tangerina-Jolie' 1955 356 Pre A Coupe ‘old red’ 1956 356A Emory speedster build in progress |
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Quote:
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Jack Olsen 1972 911 My new video about my garage. • A video from German TV about my 911 |
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