Quote:
Originally Posted by cosmick
The boost pressure has little to do with lag. Being a 1.6L you want all the boost pressure the engine can hold. Choose accordingly. GM's 2.0L Ecotec can be built to 1200 horsepower.
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The LSJ can be built to ridiculous power levels, even in 2.0 liter form... A ZZP built girdled 2.1 liter short block(88mm bore, 86mm stroke) could easily handle quad digit power, but good luck finding a transaxle to hold up...My stock block LSJ was running nearly 18 psi, and was really fun... When swapping an Ecotec in, you definitely wanna go turbo... I love my roots blower(ported Eaton M62 gen 5), but it makes boost by RPM... At 4000 RPM, I only had 12-13psi, but with a good turbo I would have already spooled full boost...
I would love to have a nice bolt on LSJ in the rear of a Metro... Cover it all up with a fake cargo cover and the only indication that the car wasn't capable of over 50mpg would be when the engine fired, and they heard an open downpipe, dumped right behind the bumper cover...