nickx86

I am looking to get a tune from edge or a custom one from vmp tuning, not sure yet. My question though is concerning the raising the red line on the vehicle. Currently i have the 4.6L 2v V8, 2004, new body style with a red line of about 5,000 rpms. I was wondering what would be the an acceptable level to raise the red line up to? I know the 4.6L 3v can rev up to 6K but i am not sure how high a 2v can safely be brought up to for extra power.

ONELOWF

The 4.6 2v engine has no problem shifting past 6,000, but the truck torque converters are desigened to shift at about 5,000 rpm. With a stock converter, you can safely raise the 1-2,3-3 shift points as long as the shifts will complete by 54-5,500. The 3-4 shift should be 5k or lower.

TheJMC

Above 5700 rpm the torque converter will start to fail.

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flipd2k

im running 5900 on my stock torque converter still running strong

willycavs10

is this kind of customizing (redlines, shift points, etc.) explained in the directions with the tuner or found in whatever tune you purchase/download?

TxOutlaw

I don't recall how much of that was changeable on the edge evo... I know my SCT the guy that tuned it did all that...

Franchi

Same here TX. I looked at tuners where I could get a wideband and adjust some of the stuff myself but eventually went with a Xcal 3 and having it professionally programmed. Could I figure it out? Probably. Would I mess some stuff up while I figured it out? Also quite possible. lol

flipd2k

with custom computer tuning im using hp tuning and theres another one named sniper tuning

willycavs10

u guys recommend an SCT then? do i need a specific one for my year and engine?