Vmax and jon speed now sell modified heads with there supercharger kits . does anyone know if there still a bolt on mod or will have to get dished pistons etc to get the right compression ratio. It says on there site that it gives correct compression ratio with the head but its vague. But has anyone brought the head with the supercharger from them? Any info on them
Modified Heads From Jon Speed And Vmax
Started by
aston19uk
, Apr 10 2010 05:04 PM
3 replies to this topic
#1
aston19uk
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Posted 10 April 2010 - 05:04 PM
#2
Turbo Nick
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Posted 10 April 2010 - 06:35 PM
the long forgotten invention called a telephone would probably give the best answers 
#3
aston19uk
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Posted 10 April 2010 - 06:56 PM
its saturday night and i am sure they aint open,
#4
John H
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Posted 21 April 2010 - 08:19 AM
Did you call them on the Monday to ask?
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