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Prochargers on Merc 7.4MPI

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Old 04-04-2008, 10:59 AM
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Originally Posted by Wally
Anyone have pics of a procharger setup on an MPI? I have the task of putting a box of parts together back onto a rebuilt motor...would help to have a little reference
What do you need pics of specifically? I'll see what I can get for you.
Eddie.
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Old 04-06-2008, 09:44 AM
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Originally Posted by Young Performance
What do you need pics of specifically? I'll see what I can get for you.
Eddie.
I need a picture of a wiring harness on my engine, can you help a brother out?
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Old 04-07-2008, 08:48 AM
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Originally Posted by Young Performance
What do you need pics of specifically? I'll see what I can get for you.
Eddie.
the front of the engine....bracket assembly with procharger mounted......i was assembling this over the weekend....there may be some pieces missing....i have the stock merc brackets from the Alt and seawater pump mounted...need to know hwo the procharger brackets are put on and where those aluminum spacers go....sucks to have a basket full of parts and no instructions.....
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Old 04-07-2008, 10:01 AM
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I'm painting the engine now, so I will be putting the Procharger on in the next few days. I will be glad to post some pics when I install it. It may take a few days though.
Eddie.
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Old 04-07-2008, 12:13 PM
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Originally Posted by Young Performance
I'm painting the engine now, so I will be putting the Procharger on in the next few days. I will be glad to post some pics when I install it. It may take a few days though.
Eddie.
That would be great...i'm going back to work on this on Sat so i have all this week to figure it out...or spend 5x the time trying to figure it out on my own
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Old 04-07-2008, 01:13 PM
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Originally Posted by Wally
That would be great...i'm going back to work on this on Sat so i have all this week to figure it out...or spend 5x the time trying to figure it out on my own
I'll take some tonite and post in the morning.
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Old 04-07-2008, 03:00 PM
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thanks!
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Old 04-07-2008, 03:35 PM
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Originally Posted by fabin61
Has anybody done this or have any pros/cons doing this to these engines. I am looking at a 32' Baja that has 7.4 Merc's I would like to get up 75-80mph range. Would this do it or should I look for another boat with 500's or 454's with Chargers?
I can say with 100% confidence that you should stay away from supercharging this engine. I've tried to supercharge these engines twice, and both times, it's been a disasater. I've been SC'ing and calibrating engines for awhile, but I will not touch one of these again, thats why we don't offer a kit. The last one, burned a hole in 1 piston, at 2" of vacuum!! Never got into boost. Extremely sensitive to timing, the cylinder head has a very sharp point, directly in the center, once this gets too hot, piston go bye bye.

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Old 04-08-2008, 08:35 AM
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Anyone have pics of a procharger setup on an MPI? I have the task of putting a box of parts together back onto a rebuilt motor...would help to have a little reference
I have a packing list for parts that should be included in a new kit and also installation/owners manual for 7.4l mpi. I could fax it to you. Pm me or call me if this would help ya. 815-509-3373

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Old 04-08-2008, 10:06 AM
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Originally Posted by kennyo
I'll take some tonite and post in the morning.
here's some
Attached Thumbnails Prochargers on Merc 7.4MPI-hpim0240.jpg   Prochargers on Merc 7.4MPI-hpim0241.jpg   Prochargers on Merc 7.4MPI-hpim0242.jpg  

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