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| Re: 1200 Vintage Road Racer / differential question |
Subject: Re: 1200 Vintage Road Racer / differential question
by Rallytwit on 2018/6/8 5:34:23
The 4.62 would be my pick for sure. Always glad to help out.
I'm working on my A15 replacement, I ran the trusty mildly tuned A12 at a PCA track day and the 20hp drop was painful. I know won't make Buttonwillow but I may try Willow Springs in November.
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