</span><table border="0" align="center" width="95%" cellpadding="3" cellspacing="1"><tr><td>Quote (minime686 @ Mar. 06 2002,9:06)</td></tr><tr><td id="QUOTE">whats the difference cause im pretty sure usdm has like 10.5:1 and wouldnt rasing it give a lot more hp?</td></tr></table><span id='postcolor'>
Yea USDM's is 10:5 I think, but JDMs is higher. Raising it alone wont give it huge power but would give it a bit more power and make the engine seemingly more responsive.
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Mazda RX-7 FC3S: Jspec motor, ported turbo & wastegate, JIC FLT-A2 coilovers, Mazdatrix adj. rear camber link, TB mod, Koyo 53mm Radiator, Corksport Cat back/midpipe/downipe, 3" Al TID, Apex'i air cleaner, Mazda Comp. mission/motor/differential mounts, Mazdaspeed Strut Bar(R), FD torsen differential, HKS SSQV, HKS elec. boost gauge & elec water temp, Cusco Oil catch, 680cc secondary's, Walbro 255, Banzai Racing FCD, RB DTSS Eliminator bushings, Exedy Clutch & PP, Exedy chrome moly flywheel, RB oil baffle, RB dual alt. pulley, 5 lug conversion, FC3S.org thermal bypass pellet, KVR Cross drilled rotors, complete Energy PU bushings, stainless steel brake lines/clutch line, Aerodyne shroud panel, Azenis RS, and some other stuff. A hybrid of sorts I guess
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