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#31
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With this space opened up the squish action is reduced and it becomes gas space to cause detonation. Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#32
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So am I to infer from what has been said so far that boring and sleeving would be a bad idea? If that is the case is there anything that has to be done to strengthen up the motor to handle 15lb. of boost. I know that lowering the CR is a must. I was planning on new cylinders and forged rods, but is there anything else that needs to be considered? Help me out here this is the first time I have ever fooled with internals
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Former: 1994 Barcelona Red(x2), 1995 Brilliant Red, 1992 Liquid Silver, 1992 Ebony(x2), 1992 Pearl White (x2) Current: 2017 Ford Raptor 2017 Kawasaki KLR 1995 Guards Red Carrera 1995 Spec-ish Miata - track car 1957 CJ-5 |
#33
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I am not completely sure but i believe our internals are al forged. Not sure but i think they are. Anyway, having a closed deck should be a definate with a high boost application.
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#34
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1994 blue FWD Subaru SVX L with 86k and the original tranny *SOLD* My Cardomain page Now part of the DSM crowd: 1990 Mitsubishi Eclipse GSX |
#35
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Vacuum cast me thinks like 95percent forged.
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86 GMC Jimmy Blue and Silver- R.I.P. 87 Integra RS ~228k miles R.I.P. 92 SVX LS-L Perly ~186k R.I.P. 89 240sx se red ~165k miles Gone and unknown 89 240sx se Black~185k R.I.P. 85 Toyota pickup ~205k R.I.P. 85 BMW 325e ~ Gone and unknown 85 Ford Mustang getting engine swap now! 05 Colorado ~108k Daily Driver |
#36
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Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. |
#37
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What you do to the engine, depends on what you are going to do with the car. As a every day car with the occasional blast, the internals are ok as is. The compression ratio could support 14 psi, with water injection,and staged boost. If it is to be run for extended periods at high boost, then the pistons should be changed for the 2.2 lt turbos, forged pistons to lower the ratio to around 8.5:1. Along with spark retard, fuel mapping,etc. Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#38
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There was a huge discussion a while back about the 2.2lT pistons and how they are the same as the 3.3l N/A pistons. I remember that the way they got a different C/R was in the heads alone. I am not sure that the 2.2l Pistons will do much besides leave an open market for forged pistons. I even looked it up on my Mitchel On Demand CD and found that the dimensios for the psitons were the same between the 2.2 N/A and the 2.2 Turbo. Its all head work that allows for boost.
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#39
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Harvey.
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One Arm Bloke. Tell it like it is! 95 Lsi. Bordeaux Pearl, Aust. RHD.149,000Kls Subaru BBS wheels. 97 Liberty GX Auto sedan. 320,000Kls. 04 Liberty 30R Auto Premium. 92.000kls. |
#40
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Well, no. Not really. ...okay, kind of. But if I were one of the engineers designing these engines, I think I would probably change a lot of things on the heads and pistons, and because of that, Frankensteining parts doesn't often work out. |
#41
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Now that I think fo it, the 2.2 might even have a different stroke than the 3.3, but that i am also not sure of. I need to dig into my mitchel CD again and check it out. Someone who works at a Subie dealer needs to do some homework and put this dispute to a rest. Tom |
#42
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Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. |
#43
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Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. |
#44
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Danny 1994 Silver SVX in hybernation, awaiting for the monsterous awakening (Lebanon) 1967 Mercedes-Benz 250SL Euro Specs, Hard/Softtop, White/Red. Under Complete Restoration 2013 Mercedes-Benz SL350 Euro Specs, White/Red. Mint... Another step into SL Collection. |
#45
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insteadof heavy tunning the stand alone and if you are on a budget, the J&S safegaurd system could control timi9ng while using extra injectors(AIC) to controll excess fuel through a MAP sensor. Not the best way to do it but if you are on a budget, it will work.
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