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Raising compression will net you little HP by its self maybe 5 to 7 HP at the most, you would need a better/more aggressive cam to get real benefits from it.

Also note you will need to upgrade your ignition too
 

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could be costly considering you have to remove the head and take most of the bottom end apart, then swap the pistons to the rods and reassemble everything. if you're gonna tear it apart then go all out, with the block at least. not just pistons for 5% power increase and then rods later for increased strength.
if you want to stay N/A with your D16 then go big with high C/R, cam, headwork, IM and all the neccessary bolt-ons for max. power.

later
 

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Would it be "reliable"?

A D16Z6 with JRSC, 8lbs. boost, Crower rods, 10.5:1 SRP
pistons. Or should I buy the 9:1's instead? The car's not
a "daily driver", but a "romp-mobile" :D I'll be upgrading
the rods/pistons/cam/head, in any case, before I upgrade
the boost.
 

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10.5:1 is pretty high for 8lbs of SUPERCHARGED boost. the highest u could probably go is 9.5:1. only time high compression is combined with boost is in low boost and high RPMs where the boost is just used to help fill the cylinders at very high rpms.
 

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MrMike said:
10.5:1 is pretty high for 8lbs of SUPERCHARGED boost. the highest u could probably go is 9.5:1. only time high compression is combined with boost is in low boost and high RPMs where the boost is just used to help fill the cylinders at very high rpms.
Damn dude! I always get that answer :). Thanks for the
"reaffirmation", though.
 

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skibbs said:
Uh... what about the Comptech supercharger for the S2000? Jackson Racing SC for the B18C5? That is NOT too high of a compression ratio for a supercharger at 8 lbs.
That depends. Do you want to retard timing about 20 degrees? I've heard of people putting 11 psi turbos on the S2000, but they had to retard timing something severe.

It really makes me wonder if they are gaining power at one end and losing it at the other.
 

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GayHatch said:
ahahaha G and F'n roses.......your sig killed me sunder.....my friend sings that song all the time
Just thought it was slightly appropriate with all the terrorist attacks lately :)

May be time to change it soon.
 
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