George C....

look at everyone faster then you and go from what they have for gear

to low of a gear number will put more slip in the converter, the load ppl speak of is the old school way of thinking with a snail. The proven theory of gearing the setup for peak power thru traps will always still play out

gone 160s with 373s and 28" tires

kbracing96

iTrader: (26)

Just FYI, a BW turbo will not even come close to fitting On3 pipes. Whole different turbine housing. They are a mid frame T4 where On3 stuff is all small frame T4 from what I've seen.

tim wellington

I think 3.73 and 4.10(my favorite) work great with 4l80e .2.56 first gear ratio. 4l60 has 3.06 and 6l70 has 4.02 first gear ratio .those might not like gears from what I have seen.

Chevy_King1500

iTrader: (7)

cam?

my specs:

2002 5.3
212/218 cam
72mm magnum turbo
stage 2 truck kit

12psi
e85

ran 90mph in the 1/8 shifting at 5500rpm (still working on the tune)

BlackGMC

iTrader: (31)

I had 4.10s, then switched to 3.42s. I absolutely hated 3.42s. It did not load the turbo better in my opinion. I switched to 3.90s and i like driving my truck again.

Dont fear the gear.

TrickTurbo

iTrader: (12)

Like others said.

The spool to gear load the engine turbos like that.
Is old thinking.

We have had several customers go to
From 342/373 to 4.10.
Run quicker
Rpm faster
But had less boost throu the traps.

Blackpanther99

iTrader: (8)

Yeah im aware of that. I messeged Chad earlier in the day.

Blackpanther99

iTrader: (8)

I think ill be going with the Isky 218, but might end up with a custom grind.

Sounds like a beast.

Choda

iTrader: (1)

my stock engine 5.3 has a 70mm has instant boost and actually screams, which I love.

if I had your combo with a cam I would go upper 70s mm.

Blackpanther99

iTrader: (8)

I dont mind that