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-   -   4.1 stroker? Who's done it? Pros vs cons (https://www.jk-forum.com/forums/modified-jk-tech-2/4-1-stroker-whos-done-pros-vs-cons-306908/)

RunninRanger 10-22-2016 10:16 AM

Stroked
 

Originally Posted by Morghill (Post 4252950)
I did it.... Very long story, but at the end of the day, oh and 3 camshafts and a thrown rod, and broken crank, I put a fresh 3.8L back in and sold the Jeep.

Your welcome to PM me for more details if you want.

Ouch! Sorry to read that! Cheers

Andre` 01-03-2017 08:31 PM

I have build a 3.8 motor with Nissan GTR conrods and pistons. It eliminates the weaknesses of the 3.8 namely conrods and piston blowby (oil consumption). I have lowered the compression to 9.0 to 1 as I am running a RIPP on a ultra high altitude pulley. Pulley was homemade. The motor have been balanced internally as well. I did not go for the stroker option as it is already a bored out 3.3.

The advantage of the GTR conrods is that I have used the standard ones which the performance guys discards to fit high performance ones. The crank needed severe cutting on the big-ends which meant that I had to have everything balanced and the crank nitrided.

I am just strugging with some wiring issues as I have also changed it to a stick shift at the same time.

Dustinr 02-01-2017 04:18 PM

Hp gain
 
I'm currently running a stock 3.8 with stage 2 ripp supercharger @ 10 psi. Ripp long tube headders, 37" tires ats Trans. With cooler and torque converter 5.38 gears throttle body spacer screaming demon coil pack, 6" long arm lift. And $1,000s in extras. Currently getting 249 whp@380 torque. The #s you put out jerod5 isn't quite what I was expecting running 35"s. Are you using stock gears and did you get a dino pass before motor swap to see the difference between stock 3
8 and stroker 4.1 running the ripp

Dustinr 02-01-2017 04:21 PM

Andre`
 
I'm currently look into uping my boost how much small did you go with you charger pull and how much boost are you getting


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