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how to increase compression ratio on a turbo


Ruiz Racing

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  • 3 weeks later...
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Just for say so's higher compression does help spool. More heat is generated with higher compression numbers which is what the turbine mostly relies on when spooling.

 

Sorry, but no. Since the higher CR results in higher efficiency, this means that more energy is being converted into work, and less heat is left in the exhaust gasses.

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  • 3 weeks later...

the offical answer my own question.... change out the pistons. you can buy them from 7.0 to 9.5. then a diffrent head and you can get 12 to 1. that is how you change it.... i am going with 8.8 flat top pistons. i am also shaving my p-90 head a little. and to make it rev to 8,000 and have the power band go that hight need a new ems. the stock one leans fuel at 5,500, 240 rods, 9lbft flywheel, super racing dampaner, and a fully balanced crank shaft. also a newly rebult head so the rocker arms don't go flying. found that one out the hard way.

 

thanks for the help...lets see how long it stays together

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