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#1
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forged pistons
Need 97mm high compression pistons for 3.3l. Interfearance pistons are OK.
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#2
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Re: forged pistons
http://www.cp-carrillo.com/ Email these people. I just got a set of 9:1 CR pistons made (see here: http://www.subaru-svx.net/forum/showthread.php?t=58090), but of course they can make them in any CR. They should be able to make 11:1 ones that are non-interference. The non-interference design of this engine is not something that should be sacrificed lightly.
Warning: those pistons were not cheap.
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
#3
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Re: forged pistons
Thanks for the reply. I talked to cp a week ago but though I would check here before I ordered. Wouldn't have to wait 4 weeks.
A non interfearance engine is nice but I don't see the big deal going without that. There are thousands of interfearance engines out there running just fine as long as drivers keep the timing belt in good shape. Am I missing something? Mike |
#4
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Re: forged pistons
Timing belts break, even brand new ones. Water pumps seize, idlers seize, and the timing belt gets trashed. It does happen. If that can be avoided easily, why not?
The cp pistons I just got seem to be really high quality, well worth the wait (which is short considering it's a custom job after all). An engine build takes a while anyway, so a few weeks isn't really that much.
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'94 Laguna Blue LSi ~159k.......JDM ultra short-geared 3.900 STi Version 7 6-speed w/ Cobb shortshifter, ECUtune 244,8.1mm/256,9.1mm i/e cams, group N motor mounts, '97 grille, JDM clear corners, Momo JDM Legacy GT steering wheel, apkarian's LED tails, silver STi BBS wheels, PWR radiator, redstuff pads f/r, drilled/slotted rotors, bontragerworks rsb #18, Koni/GC 450f/375r coilovers, Megan Racing adjustable lateral links, KMac c/c plates, Stebro exhaust, ECUtune 1v5, Optima battery in the trunk where it belongs. Turbo project '97 Ebony LSi ~137k #036.......Power mode mod, JDM clear corners, BBS wheels. AUX/pocket mod Now a mod "over there" ............Photo album |
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