Ok...I'll agree with some stuff cept you dont want to look for high compression + boost. If you want to run a decent amount of boost, go with a 9:1 compression ratio. Anything more and I think your looking for trouble. H beam rods are not as strong as I beams, but they are also about half the price and will be fine so long as your not making over about 1000HP. As far as pistons go, Manley/Probe(which I will be running @ .035" over)/JE are some good companies to go with. If you want to go with a high boost application, you can try dropping the compression to 8.5:1 and make sure you have a sufficient bypass valve, such as a Vortech Mondo race bypass or whatever company you choose should have larger ones for high boost applications. Finally, make sure you seal the heads up with good gaskets (such as Cometic) and run spark plugs usually 1-2 steps colder than stock.WashburnGT said:A KB would tear the stock powder-steel rods apart. like gearbanger said I-beam or H-beams would work. Manley makes good rods for supercharging or naturally-aspirated engines. They have I-beams and H-beams that can handle up to 2000hp and 9500rpms. I doubt you're looking for anything quite that durable, I just thought Id throw that out there.
As far as pistons you should definetly go with forged pistons. Obviously you want to look for a piston for high compression. There are pretty much two different kinds of allows used in forged pistons (I think). there is 2618 aluminum alloy which is typically used for race or high-performance street engines, they can handle up to 35lbs of boost. the other is a high silicon allow called 4032, which is for high-performance street engines. According to manufacturer's specs it's breaking point is 10lbs of boost, but I've seen applications of as much as 15lbs. NOT sure about the lifespan of that set-up though.
So this might have been information overload. Obviously I've been researching for my own build-up. Hope it helped out.
Gearbanger 101 said:but as a rule, H-Beam Rods are stronger.
I guess we're both wrong.....or right.ProCharger GT said:H beam rods are not as strong as I beams.
either/or will get the job doneGearbanger 101 said:
WashburnGT said:A KB would tear the stock powder-steel rods apart. like gearbanger said I-beam or H-beams would work. Manley makes good rods for supercharging or naturally-aspirated engines. They have I-beams and H-beams that can handle up to 2000hp and 9500rpms. I doubt you're looking for anything quite that durable, I just thought Id throw that out there.
As far as pistons you should definetly go with forged pistons. Obviously you want to look for a piston for high compression. There are pretty much two different kinds of allows used in forged pistons (I think). there is 2618 aluminum alloy which is typically used for race or high-performance street engines, they can handle up to 35lbs of boost. the other is a high silicon allow called 4032, which is for high-performance street engines. According to manufacturer's specs it's breaking point is 10lbs of boost, but I've seen applications of as much as 15lbs. NOT sure about the lifespan of that set-up though.
So this might have been information overload. Obviously I've been researching for my own build-up. Hope it helped out.
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