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NZHP2 NZHP2 is offline
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Join Date: Jun 2020
Location: Christchurch, New Zealand
Posts: 9
Quote:
Originally Posted by shreddr View Post
I just realized you are talking about the R12S, I thought we were talking HP2S. Your mechanic is right, the R12S can’t be bored to 103mm. I forget what the diameter is, but if you do a search on the forum you can find it. In reality you can make huge improvements just by swapping pistons and rods for the Wossner hi compression kit, I think the combined weight savings was almost a pound of rotating mass, combined with a performance full exhaust (cat free header) and a good ECU tune will unlock lots of power without the need to do the bore job.


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Yikes, I was told it was doable - I'll see if I can cancel the order.
Old 01-09-2022, 05:37 PM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #207 (permalink)