How much boost can a stock prelude engine take?
anywhere from 6-10. i used to run my stock block between these figures on pump gas before selling my set-up. compression numbers were fine afterwards. ran the set-up for about 6-7 months and roughly 10,000 miles.
It depends on tuning but I wouldn't go past 9 psi without a lower compression headgasket. If anything, get a standalone since this will be the best thing you ever get and will save a lot of headaches.
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ehh use the search button... 6-7 safe. guys when u lower the compression that changes things. im totaly guesstimating here but youll know what im saying.. say u have 10:1 with 10 psi and u have 8:5:1 with 12 psi its gonna be about the same (estimate there is actually a formula) the piston is not compressing as much as the 10:1... u see what im saying...
6-7 pounds stock
get a low compression head gasket and block guard just to be safe.
Also make sure you have enough fuel so you don't lean out.
get a low compression head gasket and block guard just to be safe.
Also make sure you have enough fuel so you don't lean out.
7-8psi. Not too crazy about using block guards. Not really necessary to use a compression lowering head gasket either. I think money can be better spent tuning it to run well rather than on gaskets and block guards. Just my opinion.
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