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Old November 24th, 2012, 11:48 AM   #1
disorder xj
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Default 4.7 stroker is it worth it?

do you think the power In a 4.7 is worth the money?
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Old November 24th, 2012, 02:26 PM   #2
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Yes in my opinion. It costs very little extra to stroke a 4.0 vs rebuilding it stock.
A lot of people have problems with strokers because they run a big cam with lots of valve spring pressure.That along with motor oils engineered more for low pollution levels then lubrication cause a lot of headaches.I just rebuilt my stroker after 30,000 hard,abused miles because I was running a hv oil pump,tight tolerences,and thick oil.I wrecked a few distributor gears and eventually the metal ate a cam.
Strokers also may seem less durable because they are fun to run to redline,so they get abused more in my opinion.I beat the shit out of mine where I babbied my stock 4.0 because I knew it made all it's power at low rpms.
The nice part is it is a bolt in hp upgrade.Any motor swap takes a lot more time and money to acomplish the same results.If you need 500hp look at engine swaps.
I love the feeling I get everytime I school a v8 jeep with my 6cyl.
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Old November 25th, 2012, 10:57 AM   #3
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I would say yes also. I loved and miss mine.
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Old November 26th, 2012, 01:10 PM   #4
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Originally Posted by bdd1469 View Post
Yes in my opinion. It costs very little extra to stroke a 4.0 vs rebuilding it stock.
A lot of people have problems with strokers because they run a big cam with lots of valve spring pressure.That along with motor oils engineered more for low pollution levels then lubrication cause a lot of headaches.I just rebuilt my stroker after 30,000 hard,abused miles because I was running a hv oil pump,tight tolerences,and thick oil.I wrecked a few distributor gears and eventually the metal ate a cam.
Strokers also may seem less durable because they are fun to run to redline,so they get abused more in my opinion.I beat the shit out of mine where I babbied my stock 4.0 because I knew it made all it's power at low rpms.
The nice part is it is a bolt in hp upgrade.Any motor swap takes a lot more time and money to acomplish the same results.If you need 500hp look at engine swaps.
I love the feeling I get everytime I school a v8 jeep with my 6cyl.
So does it change the power at low rpm?
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Old November 26th, 2012, 11:39 PM   #5
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So does it change the power at low rpm?
Yes it will add more power down low with the stock 4.0 cam.If you use a higher performence cam you may,or may not loose a little down low ,but make up for it at higher rpms.You really need to match the cam to the the rest of your jeep if you want it to perform like it should.
If I was building a stroker for a daily driver I would probobly run a stock cam and build the rest of the motor around that.My tj is a dd,and I have a fairly big cam,but I spent a lot of time and money to make sure it should last for years.
If you search jeep strokers.com will find all the info and help you could ever want.
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Old April 10th, 2013, 03:15 PM   #6
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Yes it is quite an upgrade, i bought the full kit from titan engines 4.6 stroker. Runs awesome, great low rpm torque and it sounds great. I've you want to save some money just make your own kit.
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Old April 10th, 2013, 08:52 PM   #7
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So does it change the power at low rpm?
Yes.

I reused the stock cam and it has more torque than the stock 4.0L and it happens about 500-750 rpm sooner. It's a win-win. Gains rpm much faster than the 4.0L and has a little more power.
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