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anobii wrote:Between me and Alfsentra, theres not much love for JWT. They just don't cut it for a top of the line all motor build. I think we're both used to being a little over the top.For a few Hp and a few Ft-lbs over the entire rpm range the JWT cams are good, but they're made for a street car with little or no supporting mods. It sucks but the only other option is a regrind. If your looking for a number, it's hard, because if you buy your cams first without knowing the tolorances and specs inside the other parts of the engine, you then have to build the engine around the cam profile. A little too much lift or duration without enough head flow and you get a horrible running engine. Or the valve to piston clearance is too small, then you have to get the pistons fly cut to fit with the cam. Because it's custom and most everyone settles with JWT theres not much in the way of concrete information. You'll have to do alot of research before applying anything.
At the risk of causeing you a lot of work, according to my engine software with a head flow of 100cfm on the intake and 88cfm on the exhaust @.350" a dual pattern cam set with a Intake of 270* (.394") and exhaust of 280*(.433") with 9.5:1 compression makes mid 140ish hp at 7500 and 125ish ft/lb at 5500. Thats based on sheer numbers under premium conditions.
It's up to you, if you want cams with very mild results but don't have to think about and can buy and drop in, your only option is JWT. If you want more power than 90% of N/A ga16's prepare to crunch alot of numbers and do some pioneering. I apologize if it's not the answer your after exactly,but it's the best i've got without a heap of information.
i like you.
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