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Old 03-20-2018, 11:47 AM   #1
Atomic Ed

 
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ZL1 in-tank fuel pump number?

Trying to find an in-tank ZL1 fuel pump, but the old 23377988 part number must be superseded. Looking at the different parts website, I see 4 different pumps listed.

Anyone know what the current correct part number is?
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Old 03-20-2018, 12:40 PM   #2
steelheadrob
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I think it is 23377989.
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Old 03-20-2018, 12:44 PM   #3
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That's the cts-v LT4 part#, also the LT1 camaro with 1LE package.
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Old 03-20-2018, 02:33 PM   #4
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Low pressure ZL1 intank pump - 23377989. Steelheadrob is correct.
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Old 03-21-2018, 06:45 PM   #5
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Finally found the AC Delco cross reference part #: M100183

Edit: looks like AC Delco's new part # is M100263. Either one will work.

Last edited by Atomic Ed; 03-22-2018 at 11:00 AM.
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Old 03-26-2018, 07:26 PM   #6
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Quote:
Originally Posted by cooper1965 View Post
That's the cts-v LT4 part#, also the LT1 camaro with 1LE package.
Wait so the 1le comes with the same intank pump that the lt4 motor cars do?
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Old 03-27-2018, 01:44 AM   #7
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Originally Posted by SLO-GOAT219 View Post
Wait so the 1le comes with the same intank pump that the lt4 motor cars do?
yes
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Old 03-27-2018, 06:56 AM   #8
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Just a heads up. I heard some are using this instead of the LT4 LPFP.
https://dsxtuning.com/collections/au...nt=31838322187
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Old 03-27-2018, 08:24 AM   #9
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Just a heads up. I heard some are using this instead of the LT4 LPFP.
https://dsxtuning.com/collections/au...nt=31838322187
That's the one I'm considering
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Old 03-27-2018, 09:57 AM   #10
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Quote:
Originally Posted by Joe's_cool_1le View Post
Just a heads up. I heard some are using this instead of the LT4 LPFP.
https://dsxtuning.com/collections/au...nt=31838322187
At what HP would something like this be needed? LT4 LPFP is $175 vs $1000, if you need more you can add a boost a pump for another $400 and still be less than $600 total.
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Old 03-27-2018, 10:10 AM   #11
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Originally Posted by steelheadrob View Post
At what HP would something like this be needed? LT4 LPFP is $175 vs $1000, if you need more you can add a boost a pump for another $400 and still be less than $600 total.
Same question here. Seems that if you're below 700 rwhp, the ZL1/1lE pump and/or a boost a pump will do the trick.

Rob, are you coming to the Tri-Cities for a tune soon? I'm scheduled for April 16th.
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Old 03-27-2018, 10:21 AM   #12
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Quote:
Originally Posted by steelheadrob View Post
At what HP would something like this be needed? LT4 LPFP is $175 vs $1000, if you need more you can add a boost a pump for another $400 and still be less than $600 total.
Parish has done some testing with various voltages on the ZL1 intank pump. With a JMS voltage booster putting about 17.5 volts to this pump I think most guys power goals would be covered.


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Old 03-27-2018, 10:25 AM   #13
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I talked to Kiazen last week. They are booked about a month out. Current plan is to install the Whipple this weekend, run the canned for a while until I can get something scheduled then add the LT4 fueling components before I get the tune done.

Are you planning on adding all of the LT4 fueling components and the plate you were talking about?
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Old 03-27-2018, 11:07 AM   #14
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At this point, only the ZL1 pump. Kaizen thinks they can comfortably get me to 600ish rwhp without the LT4 HPFP or injectors. They just did a C7 that pulled 609 rwhp on a bone stock LT1 fuel system. They seem to have a good handle on all the tuning fuel tricks.

This tune will be with the thermal isolation plates on, some port matching and intake flow cleanup, IAT sensor relocation, Rotofab CAI, and a drop in pulley size. Should be interesting to see if my ideas come together and add anything.
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