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not a 7.3
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Repower project for deuce get underway
- Thread starter m-35tom
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welldigger
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6.9l?
Jeepsinker
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Just because nobody has said it yet... 8V92? I honestly wouldn't know.
Jeepsinker
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Looks like a winner to me.
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yes, we have a winner! the 9.0 was in fact a converted gas engine and had a few problems, all of which were corrected before IH quit making them. they never came with a turbo so were very low on power. i added piston cooling jets and expect to run 8 psi boost. this looks to be a long term project but i hope to have it done for next years rally at aberdeen
HETvet
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Now I see why you were needing the turbo sizing information
Jeepsinker
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Ok cool, so I have to ask now. What is your reasoning for this particular choice on powerplant? Just something yo wanted to try out? Had it sitting around? Does it have a high torque curve compared to some other comparable but more expensive engines? Just curious as to why you chose this somewhat obscure engine.
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ok, the 3208 is just too much engine plus the fuel knock and ringing in the block made hearing protection a must. i reasoned i needed a little smaller engine but thought the 7.3 might be too little. the 8.2 detroit was considered but i like strange over common place so here i am. the 9.0 looks to be a very sturdy engine despite all the bad press people gave it about head gaskets etc. someone had recently put gaskets on this one, but it took .004 off the heads and .004 off the block to get it flat again. for a diesel, that is huge. if people just put gaskets on them, no wonder they failed again in a relatively short order. torque and hp are low for the size of the engine and it is oversquare design, but i think some low boost pressure should use up the wasted fuel and raise hp 40 to 50.
Jeepsinker
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Gotcha. I knew you had some sensible reasons, just wanted to hear from you what they were as I know absolutely nothing about this engine save from what I've learned in this thread so far. What drove you away from the 8.3 cummins? Had to have a V8? Hehehe
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What is the RPM range of this oversquare engine?
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in trucks it was 2800, in boats it was 3000 continuous. bore 4.510 stroke 4.313
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I guess I'm just the opposite of you, I despise V8 diesels. I just like the long stroke most in-lines offer and they seem simpler to work on. Not that I wouldn't own one, I just avoid them when possible.
I'm glad you didn't go with the 8.3 GM. I've had experience with a couple of them and they were always problems. I also believe a turned up multifuel would out pull one.
A 3208 kind of gets a bad rap IMO. People call them throw away engines because they don't have sleeves but they seem to run for a long, long time before they are "thrown away". I think they are around 180hp without turbo, I would think that would be about right for a deuce. You're right about the loud fuel knock though.
I'm glad you didn't go with the 8.3 GM. I've had experience with a couple of them and they were always problems. I also believe a turned up multifuel would out pull one.
A 3208 kind of gets a bad rap IMO. People call them throw away engines because they don't have sleeves but they seem to run for a long, long time before they are "thrown away". I think they are around 180hp without turbo, I would think that would be about right for a deuce. You're right about the loud fuel knock though.
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when i got my 3208 it was a rebuilt engine that was completely worn out with 8 broken pistons. bored it .030 over and put a cam in it and it was good as new, 200 hp, it was just way too much power for a deuce. it was common for me to start out in 3rd gear since it had 650 ft lbs torque. top speed was 74 mph, was happy at 68.
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need a SAE3 to SAE2 adapter ring for trans, anyone got a used one?
Jeepsinker
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Wait, wait, wait.... Hold on here... You spent four years looking for an engine, you are the transmission guru here,... And you just now found that you need an adapter ring? Come on Tom! You're slacking!
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ha! yeah i know, but i have projects to last me another 30 years!! i also still need turbos and some other easier stuff. this will no doubt be a longer task than most of my projects.
Jeepsinker
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Have you figured out what kind o turbos you are after yet? A pair of c turbos would be cool until they got annoying. Imagine what that would sound like!