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Cartek does a powerful setup that has been proven with track times.
Even their mild setups/baby cams have seen 10's.
Thanks for the plug.
Give us a call, we can get you all setup with a package that fits your needs and goals.
As stated above we not only have made over 500 to the wheels with H&C, but have backed it up with track times. Dyno's are only a tuning tool and cannot be directly related to real world performance.
Also as stated above, tuning is a huge part of the package to get the car to behave correctly. We have a good handle on that
I disagree... my car is fully tuned the LTFTs are near zero, the car was tuned in SD mode, then the MAF table dialed in. I have 42lb injectors now and I see 16ish around town but will still see 27-28 highway w/ CC on.
One of the things that a lot of heads out there do wrong is overscavenging during overlap. This overscavenging leads to a whole host of problems, poor idle, poor fuel mileage, etc. The TFS heads were designed to minimize overscavenging.
I had a customer with LPE Stg 3 LS6 heads on a C6 that made 480 RWHP, when he switched to the TFS 225's he noticed the total amount of airflow through the engine was down, but when he took it to the dyno and it made 507 RWHP he was amazed.
One of the things that a lot of heads out there do wrong is overscavenging during overlap. This overscavenging leads to a whole host of problems, poor idle, poor fuel mileage, etc. The TFS heads were designed to minimize overscavenging.
I had a customer with LPE Stg 3 LS6 heads on a C6 that made 480 RWHP, when he switched to the TFS 225's he noticed the total amount of airflow through the engine was down, but when he took it to the dyno and it made 507 RWHP he was amazed.
It's hard to go wrong with the TFS heads.
I agree. That said, you think the 112 lobe I'm running is too tight for those heads? 61cc/215s. I'm thinking about testing a
224/232 - 114 + 0 adv. Comments?
I have the ECS cam only package. By that I mean their custom ground cam from comp, double roller timing chain, ported oil pump, tiatnium retainers, 160* t-stat, new plugs/wires, comp 921 dual springs/ 2 new belts. I had headers already, but with the stock un touched LS6heads, and stock throttle body, I gained 70rwhp and 20ftlbs rwtq. One of the greatest benefits is that the car is so docile when driving around town. Gas mileage is still what it was before the cam...90mph in 6th 2krpm, 28mpg. I did a base run on the same dyno 2 years ago, and got my new dyno numbers from the same machine and operator, so I know the increase is a real number. This cam only is proven, I know of three other cam only Z's with similar mods and numbers almost matching exactly. (I've unoffically given the cam, the "GeorgeZ Cam" name) Plus this is the same cam that ECS uses in their 500+rwhp head and cam packages. I roadcourse a lot, and am starting to dragrace with this cam is IMHO its perfect for both. The tq is pretty consistant and fat between 3500-6500rpm. And since that is where I need and use the power, its exactly what I need. I'll be running th car at Watkins glen this Fri/sat/Sun if anyone is near and wants to check it out.
Last edited by GeorgeZNJ; Oct 9, 2007 at 04:01 PM.