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#1
07-04-2005, 08:03 PM
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high boost on 420a motor
is it possible to boost between 15-20 on the 420a aluminum block with fairly built internals? am thinking sleeves, pistons and rods and also maybe valve springs and retainers. can that aluminum block handle the boost even with all the mods?
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#2
07-05-2005, 12:06 AM
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Re: high boost on 420a motor
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__________________
 95 GSX DSMlink, "50 Trim", and track times coming VERY SOON! 
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#3
07-05-2005, 01:19 PM
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Re: high boost on 420a motor
i'd say with the right charged air temp, timing, AFR, cometic head gasket you should have no problem pumping 15-20psi on a built short block.
__________________
DSM geek
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#4
07-05-2005, 02:02 PM
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Re: Re: high boost on 420a motor
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do you know which honda motor was sleeved?
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#5
07-05-2005, 06:58 PM
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Re: high boost on 420a motor
Don't all of them? for the most part they all have the same basic structur
__________________
MODS , 2g pistons, cyclone intake manifold, ported 1g head, 60mm tb, greddy type s bov, apex-i n1 exhaust , ngk spark plugs, 3 angle valve job, autometer boost/vac, autometer air/fuel ,autometer oil pressure ,cross drilled rotors ,turbonetics boost controller ,air filter ,remove dump tube, 14b turbo and the ac still doesn't work and its been almost 3 years
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#6
07-06-2005, 12:58 AM
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Re: Re: high boost on 420a motor
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#7
07-07-2005, 04:00 AM
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Re: high boost on 420a motor
i'm sure you could run more than that if you do all of that work to it. sleeves, pistons, rods, crank, valves, springs, retainers. you can run all the boost you want then.
__________________
95 Talon TSI AWD 97 Eclipse GST 
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#8
07-07-2005, 06:46 PM
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I personally dont know a lot about how a turbo engine works and all that, but my friend Shawn has a 420a in his Neon and when he gets his new turbo, he said he'll be runnin around 22 psi. Also, one of my other friends with a 420a in a 99 RS was running at 20 psi. Both cars have built engines about like what you were saying.
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 Build on hold until I get a good paying job, either in school or once I get out. At that time a full tear down and complete rebuild should be in order. The Purple People Eater will ride again... January 2011 can't come soon enough.
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