DualQuadDave

iTrader: (6)

Does anyone have any major mileage on a set of Trick Flow or AFR heads? I am curious how long before the guides/seats wear out. I am on the fence about which to use, looking for real world experience. In my app, either will have roller rockers and .630+ lift. Thanks!

bortous

This thread is of interest to me as I am fitting a set of AFR 245's to my 434.
Something worth knowing for sure.

JKD

I have a set of 210's on my 383. I now have approx. 90k on them with YT rollers and no issues

bortous

How do they perform on that 383?
How is the torque and under the curve power?

JKD

It is in a '11 Tahoe built to pull a trailer . It never achieved the HP numbers I thought I would reach but it does well off idle to 4500..

bortous

How much power and torque at rear wheels did it make and what camshaft is in it?

JKD

385/361.

TSP torquer v4
It made much more power with the cam Mamo spec'd. 229/232 114+4.
420/395
Those pulls were from different dyno's.
I had a lifter fail and eat the cam. I was pushed to purchase an off the shelf cam due to down time. This is why the camshaft was changed