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Old 06-15-2005, 09:42 PM
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supercharger

ok i have a stock 93' 302 mustang gt engine and i've been thinking about buying a supercharger what are some things i need to upgrade on my engine right now to handle the increased hp? its probably gonna be a 6psi

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Old 06-16-2005, 12:33 AM
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Probably just make the bottom end stronger. i.e. forged pistons, forged crank etc...
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Old 06-16-2005, 08:43 AM
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I have known a lot of guys just bolt one on and have at it, without problems, depends on what you will be doing with the car. Will it be a street driver or a track car? If you drive it on the street you should be OK with a GOOD stock lower end. 6psi is not that much boost.

Steve
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Old 06-16-2005, 09:20 AM
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Ditto!
You probably in all respect have to much compression right now to even run 6lbs of boost.
Unless you get lucky and only have 9-1 comp or so.
If you only have 9-1 comp then you can run about 6lbs, but just dont overev it until you find out if your pistons are cast or forged. It will look way cool though. HG
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Old 06-16-2005, 12:30 PM
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thanks

yeah my uncle said the engine has forged pistons and a steel crank
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Old 06-16-2005, 12:55 PM
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Try and figure your comp ratio and if its underr 9-1, then you should be ok with the 6 lbs of boost.
HG
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Old 06-16-2005, 01:35 PM
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Quote:
Originally Posted by erythnul
yeah my uncle said the engine has forged pistons and a steel crank
The 93 engines didnt come with forged pistons
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Old 06-16-2005, 02:04 PM
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I bet you also dont have a steel crank.
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Old 06-16-2005, 02:05 PM
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yeah... if the CR is 9.0:1 or less you'll be ok without changing anything. but you will have to run 93 octane or better. because with a static CR of 9.0:1, with 6lbs. of boost added raises the effective CR to 12.7:1. which is pushing it a little because you'r not supposed to go past 12.0:1 without upgrading some parts. so you either want to drop your CR or underdrive your charger to run less than 6. if you dont you'll get detonation and litterally burn a hole through your pistons or melt your rings.

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