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les_garten les_garten is offline
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Join Date: Jun 2003
Location: PSL, FL
Posts: 861
Originally Posted by JFairman View Post
I've been familair with it for a while...
I dual plugged my 1975 BMW R90S motorcycle back in the late eighties and raised compression along with lots of other stuff and the theory is exactly the same as a 911 motor.

I was just saying alone, it does very little.
Bet ya wish you still had your R90S, ehhh? I certainly think you get efficiency and a good margin of safety with the two flame fronts. I think if you could get 30HP from it, it would be talked up here more as a must do. To me it was a must do as a safety stand point. Even the Beemer folks backed off of how much you benefit from it though. Back in the day, it was a must do on BMW bikes.
---Les Garten---85 930, Andial IC, GHL Headers, Fabspeed Dual, K-27 HF2, 3.4 JE Full Finned 7.5:1 CR, 964 CAM'd, Carerra 3.2 Manifold Cut/Flipped, Tec3r, Siemans 55#, GSF Fuel Rails, Clewett Crank Trigger, Clewett Cam Trigger,Dual Plugged, ARP Head Studs/Rod Bolts, Clewett Wires.Tial 46mm WG, Tial 50mm BOV, WEVO Shifter,934 Boost Gauge, Wideband EGO Sensor/Gauge, C2T Head Gaskets, '88 MB 300TE,BMW R100RT
Old 03-05-2008, 10:34 PM
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