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Introductions. Take a moment to Introduce yourself here. Tell us about yourself and your rig!

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Old 01-09-2018, 03:46 PM   #1
Chassisman

Name: Chassisman
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new from AZ desert

New guy here from the AZ desert. Been a few years since I last posted on here I am a disabled Marine Veteran that needed knee surgery. Well 5 surgeries later engine is finally done and running. To update, my idea was to forgo upgrading my smallish Garrett Turbo for twins, or a big single, and instead focus on a better flowing head. The results were to say the least better than expected. Pictures and more info to follow if anyone is interested.
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Old 01-09-2018, 04:09 PM   #2
Chassisman

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Ok here's what we did. Cut head in half, machine surface to be drilled and tapped...Ream holes for dowel pins then begin porting and polishing. Install new Banks Mani, install head assembly. The fear was off the line acceleration would suffer. Reality is it pulls like a large electric car right off idle, and keeps pulling until I get scared... Myth busted!
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Old 01-09-2018, 05:02 PM   #3
biggy238
 
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I like your style on the return lines and valve cover.

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Old 01-09-2018, 08:31 PM   #4
Chassisman

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Thanks, I think?
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Old 01-09-2018, 08:33 PM   #5
95cummins5.9
 
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Looks like you spent some time on it, clean. Nice work.
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Old 01-11-2018, 08:28 AM   #6
Chassisman

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Thanks!
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Old 01-11-2018, 08:31 AM   #7
jasonc

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How would you describe the difference? Dyno or seat of the pants? What size turbo are you running and how much did the boost and drive change from before. The head work looks great!
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Old 01-11-2018, 08:45 AM   #8
Chassisman

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It only has a single 3782 Garrett. Way more drivable, no turbo lag really, more like an electric motor, instant torque. No need to power brake, it leaves hard enough to instantly break 38's loose. Was an experimental head really that has worked much better than expected.
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Old 01-11-2018, 09:00 AM   #9
smokinVE
 
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Nice work! When can I drop one of my heads off???
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Old 01-11-2018, 09:01 AM   #10
jasonc

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Was peak boost lowered any?
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Old 01-11-2018, 09:46 AM   #11
Chassisman

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Not so far, it has gone up 5 psi, but I tightened up the gate, and haven't dyno'd it or ran it really hard yet, with a fresh valve job, and guides, I want to put some miles on it first.

Last edited by Chassisman; 01-11-2018 at 09:49 AM.
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Old 01-11-2018, 08:29 PM   #12
Chassisman

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Quote:
Originally Posted by jasonc View Post
Was peak boost lowered any?
Hmm, ok I got on it a little more in OD... got 40 psi out of it. It was maxing out at 25 before I did the head and adjusted the gate.
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Old 01-13-2018, 01:53 PM   #13
Chassisman

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Hmmmm, strange it makes 25 in lower gears but 40 in OD?
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Old 01-14-2018, 11:38 AM   #14
jambbii
 
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Awesome job! Where are you at? I am in the east valley....
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Old 01-14-2018, 12:12 PM   #15
biggy238
 
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Hmmmm, strange it makes 25 in lower gears but 40 in OD?
Not entirely strange. Mechanical advantage (resistance) to the piston travel is greater in OD, so heat rejection in the cylinder is higher. The EGT is higher so more work can be done across the turbine.

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Google site:competitiondiesel.com for the gnawlidge.

05.5 Campanella White TDi Jetta 5spd 45.5MPG
-Little Sexy
96 Ext Cab Ram 2500 Long Bed, Test Pig/Science Experiment
- Big Nasty
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Old 01-14-2018, 05:00 PM   #16
Chassisman

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Ya it didn't like to pull hard down low in OD before, now it loves it.
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