For only $6249 you can get a 4.0 stroker:
https://golenengineservice.com/jeep-engines/
:risas3::risas3::risas3:
https://golenengineservice.com/jeep-engines/
:risas3::risas3::risas3:
Replacing my 2.5L with a 4.0L
- Thread starter KCsTJ
- Start date
fxrsliberty
TJ Enthusiast
Hey dont laugh too hard, the only thing keeping me from getting a stroker motor like that is, well, the $6249 ...lol but im only half kidding!
Jerry Little
Member
4wheelparts has it for 3,328.00. Lots of better prices than 6249.00
That one on 4 Wheel Parts isn’t half as built as the Golen one though.
Keep in mind that apparently the stroker 4L lack the longevity of the stock motor. I was seriously considering it, even bought a used crank, then I was told to expect about 50k km out of the motor before it needs a rebuild... Back to wanting a blower.
—
There must have been a time
when we could have said no.
—
There must have been a time
when we could have said no.
Jerry Little
Member
Look at torque and horsepower. The naturally put out the t/h. Lots of good ones for under 3,500. I can buy 2 for 6,200 almost
Yes, that Golen one is putting out 271hp and 315 for torque. It's also already broken in, ready to bolt-in with all the covers and everything.
The 4 Wheel Parts one puts out 205hp:
https://www.4wd.com/p/1998-Jeep-Wrangler-(TJ)-ATK-4.7L-Stroker-Jeep-Engine-HP24/_/R-BBDZ-HP24
So, yeah, that's why that Golen one is double the price. 271 at the wheels is absolutely insane for one of these engines. That's why the price is nearly double.
The 2.5L is not a bad motor for the non freeway hobbyist. It just need to be set up properly.
Lightweight parts, smaller tires, the correct gear ratio and so on.
I've been pretty impressed with my little 2.5L. I'm still surprised at the stuff it will climb. With the right gears and a front locker it goes everywhere my buddy's 4dr Rubicon goes...especially since he is not pushing it and doesn't want to scratch it...hahahah.
As others have already said you need to use light weight parts first off. If you don't need the rear seat remove it. And then gearing is a HUGE part. You really don't want to go larger than a 33" tire and you should be using 4.88 or 5.13 gears. It is a good engine and it works fine off-road it just isn't a speed demon on the freeway.
If you're going to swap engines then swap to a V-8 as it's about the same amount of work to swap in the 4.0.
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