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Stroker Indicators

Old 01-07-2019, 03:32 PM
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Question Stroker Indicators

I am heading out this weekend to look at and possibly buy an XJ that supposedly has a 4.7 stroker installed. Are there any external indicators that would confirm or disprove having this engine? Thanks in advance!
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Old 01-07-2019, 04:12 PM
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nope , the best way is to actually measure the stroke but that can be hard on a fully assembled engine your best bet is to use a bore scope look down in a spark plug hole maybe you can use the oil dip stick to slip down in the hole and turn it over by hand and try to get a measurement from bottom dead center to top compare that to a stock one
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Old 01-07-2019, 04:25 PM
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Okay, thanks!
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Old 01-07-2019, 05:02 PM
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Just curious for myself as well as OP, isn't there an inherent "sound" difference at idle? Or is that just because the folks I've heard with a stroker opted for an aggressive cam as well?
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Old 01-07-2019, 05:11 PM
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Good point, I was also thinking maybe there would be a bigger throttle body and/or injectors as well . . .
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Old 01-07-2019, 05:24 PM
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Originally Posted by mangot2 View Post
Are there any external indicators that would confirm or disprove having this engine?
A receipt.



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Old 01-07-2019, 05:44 PM
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Originally Posted by Turbo X_J View Post
A receipt.
HA! for realz though
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Old 01-07-2019, 06:07 PM
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Riiiiight . . .

Hopefully the guy's honest and has some kind of documentation, but would be nice to know for sure . . .
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Old 01-08-2019, 09:04 AM
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The test drive? I've never driven a Stroker Jeep before but looking at the power numbers it seems like it'd be a pretty obvious seat of the pants feel over a regular factory tuned 4.0L
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Old 01-08-2019, 10:13 AM
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Originally Posted by mangot2 View Post
Good point, I was also thinking maybe there would be a bigger throttle body and/or injectors as well . . .
I am running a bigger throttle body and injectors on my stock 4.0
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