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Old 05-20-2005, 06:47 AM   #18
Top Scoob 019
Member#: 43630
Join Date: Sep 2003
Location: Down Under
2004 GT40R-built 2.5
604 whp @1.8 BAR on VP109


R4 has thin cylinder walls..106mm i think.. bored to the limit.... I would suggest using crawfords S4 engine. And compare pricing and timeline with Axis.
The wall thickness shouldnt matter as it runs sleeves..
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tino is offline   Reply With Quote