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Important announcement please read marine multec fuel Injectors HP 500 EFI

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  • 4 Post By BUP
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Important announcement please read marine multec fuel Injectors HP 500 EFI

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Old 06-13-2018, 01:06 PM
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Default Important announcement please read marine multec fuel Injectors HP 500 EFI

Very soon to release the replacement injectors for the HP 500 EFI. We now have modified fuel injectors for these apps. Finally one can get rid of the 35 year old Multec injector and install direct replacement with a very current plug and play fuel injector(s). NO Recal of the ECM needed. A simply plug and play only.

Now the testing has been with flow machines and all data studied and so forth. I am in need for any stock HP 500 EFI that is going and or can be put on dyno for the finalization testing results of the newest fuel injector offering that I have. Its been alot work and finally just this last bit of testing and hopefully we are 110 percent good to go. THANK YOU for any help. .
Griff, 1MOSES1, Gimme Fuel and 1 others like this.

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Old 06-13-2018, 02:09 PM
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Originally Posted by BUP View Post
Very soon to release the replacement injectors for the HP 500 EFI. We now have modified fuel injectors for these apps. Finally one can get rid of the 35 year old Multec injector and install direct replacement with a very current plug and play fuel injector(s). NO Recal of the ECM needed. A simply plug and play only.

Now the testing has been with flow machines and all data studied and so forth. I am in need for any stock HP 500 EFI that is going and or can be put on dyno for the finalization testing results of the newest fuel injector offering that I have. Its been alot work and finally just this last bit of testing and hopefully we are 110 percent good to go. THANK YOU for any help. .
That is GREAT news, talk about a big weak link in these motors. I'll keep my eye open for any getting ready for the dyno.
I'll forward this thread to my engine guy.
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Old 06-14-2018, 07:00 AM
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As said, GREAT news, will be watching and waiting for availability. Thanks BUP
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Old 06-14-2018, 02:28 PM
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thanks guys - I still need the help I am asking for in post number 1. I am not a person that says its good to go until I see it and test it inside and out from start to end and of course all angles. Hopefully someone can role with this and I have no problems to hand delivery what I have in person.
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Old 06-14-2018, 02:33 PM
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Have you reached out to ArcticFriends ? Believe he just had one/some on the dyno very recently.
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Old 06-14-2018, 02:54 PM
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He hates me - NO JUST KIDDING and MESSING with him, We talk about once per month anyways.
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Old 06-14-2018, 03:13 PM
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Okay - so your answer is ?
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Old 06-20-2018, 11:09 PM
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Way to go!!!!!!
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Old 07-23-2018, 10:39 AM
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Default Any Luck with the testing

Any luck on testing out the new injectors for the 500 EFI?
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Old 07-23-2018, 12:48 PM
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https://www.offshoreonly.com/forums/...-update-2.html


Have to go back to work but here is a link to get updated for whomever. We are getting close and REAL WORLD TESTING. Man it is hotter than heck here and so is the lake water temps.

I am watching the fuel side of things here as well ie vapor lock and so forth. Fuel pressure as well - fuel samples for condensation - very humid weather. Freakin pizza oven

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