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akusuma
17-05-2011, 10:08 PM
Hi,

Can anyone help me to identify which offset is this RPF1 wheel?
On the back it says 15x7JJ 41, but also says ET35

Pic below (not my wheel but same marking)
http://www.zerotohundred.com/newforums/attachment.php?attachmentid=364180&d=1300349647

Thanks

chargeR
17-05-2011, 10:55 PM
So you have the wheel in your possession? Just measure it carefully, you should get closer to one number than the other. If it helps I have read, but have no first hand experience, that the casting of the 15x7 +35 and +41 RPF1s are identical except that for the +41 version Enkei machine more material off the back of the hub area that you have pictured with the markings. This removes the hub area where it says ET35 whilst in the process making the +41 wheel. So one casting, two offsets, and no need to make any additional markings. Lazy Enkei. Clever though.

So yours are +35s if this is true since the ET35 marking has not been removed along with 6mm of the wheel hub area.

akusuma
18-05-2011, 02:03 PM
I think you are right, didn't know that Enkei does this. Always learn something new.
I have one other member that confirms that it's +35 offset and about the "shaving" technique.

I emailed Enkei and got told that it's actually +41 but his explanation does not make sense to me. I am still waiting to get any reply from him yet.

Yes wheel is in my possession, I'll try to measure it later if it's really needed. At this point I am pretty satisfied with current answer.

Thanks.

bennjamin
18-05-2011, 07:39 PM
heres a DIY way to measure offset

http://forum.jdmstyletuning.com/showthread.php?20793-How-To-Measure-OFFSET-on-your-Rims

anjin
18-05-2011, 08:25 PM
ET is the offset stamp.

akusuma
18-05-2011, 11:09 PM
thanks Ben, very helpful link. Will try that later