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 37efi mod questions 
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Post 37efi mod questions
So I have a stock mudbuddy 37efi with just a voodoo exuahst and lets just say I want more. so I have a 5500 block that’s sitting with all the mods and my question is Can I strip anything off of that to get a good safe power increase also what else would I need to wrap it all up to make it work


Mon Apr 23, 2018 8:42 pm
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Location: Gladewater TX
Post Re: 37efi mod questions
What parts are you thinking of swapping? Yes the parts will transfer over. It will need to be tuned


Tue Apr 24, 2018 8:10 am
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Post Re: 37efi mod questions


Wed Apr 25, 2018 8:06 am
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Post Re: 37efi mod questions
Didn't know if your 5500 was a mag or not. Aside from whatever parts you use you will need to weld an o2 bung into your header, get a wideband sensor setup, and get a controller. Controller options are the Dobec or call glade at bps and see if he can fix u up. If you do the heads and rockers only I bet the bps tuner for the 4400 will be close.


Wed Apr 25, 2018 9:25 am
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Post Re: 37efi mod questions
First thing first, is it a 55 mag, or black death?

If it is a mag, you can use your heads, rockers, pushrods, pistons, c-rods, and cam.

I sell a tuner that is already set up for those parts. All you have to do is plug it in, and turn the dial to the 3 position. No o2 bung necessary. Your current exhaust is different than what I used to build the fuel map, so you may have to do some fine tuning with the low, mid, and high rpm dials on the tuner. This can be done by reading spark plugs.



Wed Apr 25, 2018 10:03 am
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Wed Apr 25, 2018 3:04 pm
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Thu Apr 26, 2018 9:13 am
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Mon May 14, 2018 9:19 pm
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