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E-Class 911 rear camber

 
Old 08-22-2018, 10:26 AM
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993944S2
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Default E-Class 911 rear camber

Helping one of my buddies set up his 911. We are working on rear camber/toe. With stock spring plates, what camber and toe settings are you guys using? Can you get enough camber with all the "stock" adjustments? Running 17" Hoosiers with JRZ shocks. Application is full race. Thanks in advance for any suggestions.
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Old 08-23-2018, 08:52 PM
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Don, I'm running -2.5 rear camber with 1/16 toe in per side using sway away spring plates and the camber max adjusters on my 87
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Old 08-24-2018, 03:09 AM
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First, need to dump the 17" wheels, too big, no torque out of the corners.
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Old 08-24-2018, 08:21 AM
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If it is a track car 15" wheels are the way to go. Almost 2 " difference in height between the 15" and the 17".
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Old 08-24-2018, 09:23 AM
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Thanks Guys.. That will be an adventure to now swap from 17" to 15", but makes total sense. Is the rear camber with the 15's about 2.5-2.8 or are most using more?
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Old 08-24-2018, 09:50 AM
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Now that I am back in my E car after 3 years with me on 17" and everyone else on 15" I have been getting my tail kicked. Finally making the switch at Road America. New wheels should arrive Monday.
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Old 08-24-2018, 03:22 PM
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what wheels did you go with? offsets? I'm in the market for new ones.

Originally Posted by dgmark View Post
Now that I am back in my E car after 3 years with me on 17" and everyone else on 15" I have been getting my tail kicked. Finally making the switch at Road America. New wheels should arrive Monday.
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Old 08-24-2018, 06:33 PM
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Originally Posted by Speeds5 View Post
what wheels did you go with? offsets? I'm in the market for new ones.
For 15s the Hoosier R7 275/35 & 245/40 are both ~23" tall, hard to beat that for both gearing and grip.

you'd want 8x15 fronts ET27-30, the 245 is a very tight fit but it is doable, usually w/ lip shaving and replacing the shock cover w/ a flexi one, 225/45 could also be used for an easier fit but then you don't get that nice turn in that the 245s give
in back 9.5ET19 there is no room for any difference in ET, the trailing arm bolts may need to be shaved down and lips will need to be shaved but, the short tires really help w/ the lip clearance
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Old 08-24-2018, 07:02 PM
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@Eugene Just call Ryan at Jongbloed and ask him to send you what Evan got last year. Done.
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Old 08-25-2018, 09:07 AM
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Went with the Jongbloed 305's. Just call them they know what the correct offsets are.
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Old 08-25-2018, 01:57 PM
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Bunch of us in the Canadian 944 Challenge series made a group buy of Jongbloed 15 inch race wheels a few years ago , and if i remenber
right , we got them through Phil's Tire Service , think it was 25 sets total of early and late 944 offsets ... keep in mind , those
wheels were manufactured in China ...

I personally took two sets , still good after four racing seasons though !
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Old 08-25-2018, 04:08 PM
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Originally Posted by wildcat077 View Post
Bunch of us in the Canadian 944 Challenge series made a group buy of Jongbloed 15 inch race wheels a few years ago , and if i remenber
right , we got them through Phil's Tire Service , think it was 25 sets total of early and late 944 offsets ... keep in mind , those
wheels were manufactured in China ...

I personally took two sets , still good after four racing seasons though !

Phil’s/jongbloed cast wheels are not “approved” for use on 911’s. There were some failures when used on 911’s and they will no longer sell them for 911’s, they
seem to work fine on the 944’s.
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Old 08-26-2018, 02:08 PM
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One of our 944 guys had a catastrophic failure with one of the Chinese Jongbloed wheels ... it was a long battle
to prove the wheel was at fault as they tried everything to discredit the driver ...
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