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Old June 18th, 2013, 10:52 AM   #21
Noah's Ark
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Originally Posted by 2fst4you View Post
I realize more power will break more parts just figure while replacing my engine I should upgrade like I try to do every time something breaks. I'm also starting a new job Thursday and will be making twice as much money as I currently do so one ton axles are going to be in the works soon. Can I get a reliable 300 HP out of a stroker? Of so sounds like that's the path I'll likely take

Also like you guys have said my 4.0 makes plenty of power for general wheeling even with 3.73s and 35s but id like it to be faster and have power for climbing like at the dunes for example
It seems like you want more power. Have you considered buying a jeep that has the swap done already? Find one well built and it will save a lot of $$$$$. I can't possibly sell mine for what I have into it even at just parts cost.

Stroker if you want to keep the stock trans and drive line. 5.3L if you want to spend more $$. You will also have some more expense in burning the computer for 5.3L if you are not using the original trans.

Either way, good luck!
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Old June 18th, 2013, 10:53 AM   #22
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You can build 300hp with a stroker but It will require a lot of head work, and exspensive parts like a stand alone engine managment system.
You can build 250-275 hp fairly easy. My last stroker was very simple and didnt need a lot of fancy parts. The biggest exspence was the forged pistons to use the 4.0 rods.
This combo ran very well on 87 octane. The power fell off at 4500 rpm because of the small cam but in reallity you dont need to rev that high very often.

Keith black 944 pistons
hastings rings
4.0 rods reconditioned with arp bolts
258 crank kit
Engine pro double roller timing chain
Melling oil pump- NOT HI VOLUME
505 performence stage 1 hydrulic cam
lifters of your choice, I like crower
stock valve springs
stock 630 head freshened up
Dodge neon injectors part # ending 703 work pretty well
Ford taurus injectors part # ending in 715 flow more and work better
wide band 02 sensor with A/F gauge

I really liked this combo in my tj. Ran on cheap pump gas, no headwork needed for bigger valve springs. No decking of the block is needed. If you do deck the block it will raise compression helping performence and probly require new pushrods and premium fuel.

A lot of people run into problems with strokers eating camshafts. Keep it close to stock lifts and spring pressure and you will be fine. Start cutting the head for chevy valves and big springs and you can find the weak spot in a 80 yr old tractor motor desighn.
Or put a stock $300 5.3 in and have 300hp.
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Old June 18th, 2013, 10:57 AM   #23
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If money doesn't matter 5.3 or 6.0 all day over a stroker but a stocked used 4,0 will get the job done everything for cheap!
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Old June 18th, 2013, 11:01 AM   #24
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Originally Posted by feva4u View Post
Or put a stock $300 5.3 in and have 300hp.
+ adapters
+ flywheel
+ computer work
+ really cool stickers
+ all other associated head aches

These will add up!

I would put the $$ into a stroker build if keeping the whole stock drive line. Build axles and gear later as needed. Or just replace with stock 4.0L
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Old June 18th, 2013, 11:01 AM   #25
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Or put a stock $300 5.3 in and have 300hp.
After you go through 300 % more greif yes, you have another $300 used motor.

I love a 5.3 but in reallity most people dont have the fab skill to do it daily driver worthy.
If they do a 5.3 will just break every stock part it is hooked to so it becomes a snowball effect.
I recomend axles first if you really want a ls swap.
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Old June 18th, 2013, 11:06 AM   #26
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Old June 18th, 2013, 11:23 AM   #27
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I say stroker
My jeep locked and geared keeps up with everyone else with v8s and the same tire size and I'm still running a 2.5
It's all in the gearing IMO and momentum sometimes
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Old June 18th, 2013, 01:06 PM   #28
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Originally Posted by 2fst4you View Post
I realize more power will break more parts just figure while replacing my engine I should upgrade like I try to do every time something breaks. I'm also starting a new job Thursday and will be making twice as much money as I currently do so one ton axles are going to be in the works soon. Can I get a reliable 300 HP out of a stroker? Of so sounds like that's the path I'll likely take

Also like you guys have said my 4.0 makes plenty of power for general wheeling even with 3.73s and 35s but id like it to be faster and have power for climbing like at the dunes for example

Why don't you address the obvious issue first and regear to 4.56 or 4.88....you will be amazed at the difference it makes....then see where you stand power wise.
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Old June 18th, 2013, 01:17 PM   #29
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I would do a 6.4 hemi


No wait I do a 6.1 hemi

No that's wrong Id do a 5.7 hemi

No really Id do a 6.3L LS


Or a 6.0 Liter LS


Wait I think mines a 5.3


Actually Im not sure what Id do but I cant wait to see what questions you pop up with now
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Old June 18th, 2013, 01:37 PM   #30
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Old June 18th, 2013, 01:44 PM   #31
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Why don't you address the obvious issue first and regear to 4.56 or 4.88....you will be amazed at the difference it makes....then see where you stand power wise.
This is exactly what you should do first, then fix your motor. If you cannot go anywhere you want at he dunes then its obviously your way too high gearing.
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Old June 18th, 2013, 01:46 PM   #32
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You will do neither so who cares.
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Old June 18th, 2013, 01:47 PM   #33
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This is exactly what you should do first, then fix your motor. If you cannot go anywhere you want at he dunes then its obviously your way too high gearing.
Re gearing costs too much.
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Old June 18th, 2013, 02:01 PM   #34
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This is exactly what you should do first, then fix your motor. If you cannot go anywhere you want at he dunes then its obviously your way too high gearing.
I ran 3.55's at the dunes with big heavy 35" swamper sx's and had zero problems, my guess is he doesn't let enough air out of his lightweight tires.
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Old June 18th, 2013, 02:28 PM   #35
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I agree with the gearing and psi comment
I could go anywhere I wanted with 4.10s, 31s, about 8psi and a 2.5 at silver lake
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Old June 18th, 2013, 03:41 PM   #36
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Actually now that I think about it the best way to go would be a 4bt conversion. 30+mpg and 325 ft pd of torque is the answer. You're welcome.
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Old June 18th, 2013, 04:13 PM   #37
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Originally Posted by Noah's Ark View Post
+ adapters
+ flywheel
+ computer work
+ really cool stickers
+ all other associated head aches

These will add up!

I would put the $$ into a stroker build if keeping the whole stock drive line. Build axles and gear later as needed. Or just replace with stock 4.0L
Only an idiot would bother adapting it to a Nv3550 anyways. 4l60e/241 from donor. My computer work is free to me. I told him to put another stock 4.0 in and move on with life. Throwing that much money at a 4.0 to not get to what a 5.3 starts at makes it a waste of monies if your long term goal is decent power.
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Old June 18th, 2013, 04:15 PM   #38
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Originally Posted by joescamaro67 View Post
I would do a 6.4 hemi


No wait I do a 6.1 hemi

No that's wrong Id do a 5.7 hemi

No really Id do a 6.3L LS


Or a 6.0 Liter LS


Wait I think mines a 5.3


Actually Im not sure what Id do but I cant wait to see what questions you pop up with now
I would do one of each so I didn't feel left out
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Old June 18th, 2013, 04:40 PM   #39
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I have decided on a stroker it will be cheaper and much easier for me to make work. Sounds like a 5.3 is expensive and I'm not mechanically inclined enough to tackle all the fabrication but more than anything the wiring harness. I don't want to spend the cash to regear these axles because in my opinion they aren't worth it. I plan on going to one tons and 5.13s but until then I want to fix my smoke blowing oil burning motor.

My jeep goes fine at the dunes just would go better with high HP all the trucks with a motor make the hills look so easy. I run about 8 psi at the dunes but my tires are load range D so they don't squat like they could.
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Old June 18th, 2013, 04:42 PM   #40
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For those of you suggesting a stroker do you suggest a kit or building a custom one? I want the most HP I can get reliably
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