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Originally Posted by slider2828
Hey Cody, so changing up my setup from HKS 264/264 Step 1 to 264/272 step 2's....
Do you think I should keep my stock intake manifold or throw a freddy on it..... Mainly track duty but like to drive on the canyon's once in awhile...
What do you think? i am still a little torn on this....
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I personally don't like split setups on cams. To me, 272 is too much duration in any situation. IMO you'd be best served with 264 Step II's more than anything.
With that said, aftermarket manifold ftw. While these turbos spool fast, the realistic powerband is 4500 to redline...in which the stock manifold DOES NOT help anything. Greddy/Freddy manifold FTW. It exemplifies that powerband best.
Quote:
Originally Posted by slider2828
Sure, but with those cam profiles coupled with the manifold. I just wonder if it is worth it... I guess it still is.... I just hate lag above 4000 rpm.....
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It won't lag above that, but I dont' see the elongated duration on the EXH making any noticeable difference to go with the mod.
Quote:
Originally Posted by conrad_s13.5
Car drives awesome. AFR's are on point. Responsive and fast. Shit just doesnt break traction tho. Tire chirps/scratches is about all it gets.
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A 2871r a 10psi is probably 250-275whp without cams. I think a good tire would keep it from spinning. Heck I know my car with a little bit more boost and cam isn't always an instant tire smoker off the gate.
[QUOTE=conrad_s13.5;5200786]
Q-I have a stock welded. 4.11 I believe. I know codyace has/had a 4.6 xterra diff. Which im sure would help. But I still do some street driving. Hows that ratio workout on the highway?....lol
My car has gotten 30-32mpg countless times with the 4.6 final drive, when cruising at 60-70mph highway only. I don't speed much as the mpg is worth the difference. To me going 80mph isn't worth the saved nor gas time vs goign 70mph. I mean At that rate you're only really gaining 2-5 miles per hour gained, including cost.