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Old 04-10-2012, 06:09 PM   #1
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4.7 Stroker Install

Has anyone done this swap. Just installed mine. Runs pretty good but a bit rich. Used 27lb injectors and reset PCM. LTFT is still low double digits. Any Suggestions

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Old 04-10-2012, 06:12 PM   #2
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Haven't yet but we are getting ready to do one. Seems to me that injector is a bit large.

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Old 04-10-2012, 06:17 PM   #3
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Injector Size

I did some research. Aparently, that is the size that this motor likes. I spoke to a few people and recommended I send the PCM out to B&G in Michigan for a Program. I may get with my local Dyno guys and see what kind of custom tune we can do.. Like I said, it runs ok, just running a bit rich. I want it perfect so Im trying to figure it out.

Ill keep everyone posted.
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Old 04-10-2012, 06:21 PM   #4
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Yeah I am interested to see what you find out considering we only use 24# ones on our 347-408's
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Old 04-10-2012, 06:27 PM   #5
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Injector Size

Ill definelty keep you guys posted. Im curious myself.

Worse case....These come out and 24lb ers go in.
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Old 04-10-2012, 06:28 PM   #6
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Old 04-10-2012, 06:30 PM   #7
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Engine Pics

Pic of the Engine coming out.
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Old 04-10-2012, 06:32 PM   #8
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Engine On the Stand being built

Here it is. 4.7 Stroker. Almost done
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Old 04-10-2012, 09:00 PM   #9
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That engine stand is magic. Looks like is floating
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Old 04-11-2012, 10:33 AM   #10
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Quote:
Originally Posted by bschimmel View Post
Worse case....These come out and 24lb ers go in.
the stockers are 23.2lbs....

you have an 06, and those can be retuned. contact jgorm, he's a professional tuner...has a dyno in his garage and everything . you should be able to find somebody locally to do the tune for you on a dyno.
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Old 04-11-2012, 11:03 AM   #11
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Sweet, I was wanting to build on to swap into mine but went with a regular rebuild on mine. Thinking about saving my original motor to but a good stroker outa it.
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Old 04-27-2012, 08:57 PM   #12
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Injector Size

Ok. So the magic injector size are the 24lb ones. Got a set from south bay fuel injectors. GREAT customer service and great product!!!!!!
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Old 04-27-2012, 09:01 PM   #13
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Quote:
Originally Posted by bschimmel View Post
Ok. So the magic injector size are the 24lb ones. Got a set from south bay fuel injectors. GREAT customer service and great product!!!!!!
Well? How is she runnin now? Thinkin about pickin up a spare 4.0 to tinker with in the garage... 4.7 should be a good tinker toy... LOL!!!

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