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April 30, 2019 at 4:44 am #68576
Rob. Thanks for the link. I literally found those last night and have already printed them out. Looks like the Cummins is 23 in longer than the 6v92. But in reality Itās probably 13in as the last part is what sticks out from the exhaust blower over the transmission which isnāt a big deal. It is about the same width and a few inches shorter in Height.
I got the engine block length of 37in but couldnāt get more accurate measurements Iād the width and height.
Currently measuring the centerline of the engine and itās height off the bottom to align and see fit with the current Detroit. Determining the stringer that the Detroit sits on one side and how far down into that trough the Cummins fits.
April 30, 2019 at 4:27 am #68575Sorry. I should provide more details. I read somewhere (boat diesel ??) that the qsc was a better fit for lighter applications – which was why I was turned toward the qsm. The boat is 50ft and 44k pounds. Which is why I gravitated toward the torqier engine vs the qsc. I should consider the qsc since itās certainly more economical if thatās a better fit. Especially since I am looking at hundreds of hours per year vs thousands. But would love feedback on reasoning and recommendation.
Regardless of which one – looks like the cummins are more sensitive to fuel so will have to upgrade my racors to the tony seaboard fuel filters š
April 29, 2019 at 8:05 pm #68564Tony -thanks for the response. I imagine that getting it down to the engine block is the desired goal and no further as the work at that point might exceed the worth. Talking to the yard – they donāt believe getting the block in will be an issue. I didnāt consider coming in from the window which will be more than enough space. They did – which is why the professionals are professionals. Lol. They also said getting down beneath the floor to the engine room isnāt an Issue as the floor is designed to come up. So itāll just go to tbe point of removing the hanger ons. Lol.
You would t happen to know what the engine block size without the hanger ons would be ? He said they would make a wood mock up and take it through to confirm no issues.
You bring up an interesting point/option on the QSC. Iām just more used to the lower rpm engines (2100rpm wise) with Detroitās etc.i just gravitated away from the higher spinning lower displacement Cummins. Can you elaborate as to why the qsc might be a better choice for a 6v92 repower replacement than a qsm ? The qsm and 6v92 seem to be about similar sizes and both seem to be paired to ZF transmissions quite frequently. My ZF is a 320A1 though the qsm seems to be paired with the 325 more frequently.
But I would love to know why one would be a better match than another. Thank you.
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