MCI Discussion > MCI Bus Projects

update on my engine project

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Bevans:
I'm about 6 months into my engine project, which is about 2 months longer than I thought it would take, but i am passing a major milestone. I am now finally at the stage of fabricating the intake and exhaust system, which is really the last step before being able to install it and get it running!

I bought a new/old stock factory rebuild industrial 8V71T to repower my MC-5C. The project consisted of stripping the engine to the block front and rear, and rebuilding with all the MCI bus accessories and covers, changing the flywheel housing, flywheel, rebuilding the clutch, new compressor, adding the jake brakes to the heads. Now I am modifying the blower housing and fabricating the exhaust to hang the turbo on the drivers side of the engine. I placed my order for the tube bends, vee-band clamps etc, on Tuesday so if Fedex cooperates I may be welding this weekend! I'll post pictures when I get that far...

Cheers, Brian

John316:
Brian,

I must say, I am very impressed. I am not sure if I would have the guts to do something like that. Good for you. Thanks for sharing how it is going.

John

Highway Yacht:
Sounds like a very in depth project you have going on. Wish I had the knowledge and experience to tackle such a huge project. Have you ever figured out the HP with your turbo setup??

Jimmy

chopperscott:
Sounds like your having fun.

Bevans:
From what I have read, the power will be either 370 hp or 400 hp.  It's an odd turbo, sized more for constant running than acceleration, as I understand what Don told me, the hot side  is too big or something like that.  It has N80 injectors.

It's actually not a hard project at all, there is nothing in it that needs any particular skill.  Doing the tune-up is going to be the hardest part, skill wise, and we all know the conversations about setting the  buffer switch and running the rack.  Building the intake and exhaust is something I can do, from building headers and such for race cars, just 3" tube instead of 1.5" tube...  All the rest is just swinging wrenches and hitting things with hammers...   The challenge has come from the sheer size of things.  You can carry the flywheel, but you need a hoist to install it.  You can drag the bell-housing, but it has to weigh close to 250 lbs.  A two week project was building a A-frame hoist for a chain lift that was strong enough to lift the engine off the shipping stand it came on!  And the cleaning!  I work on this thing the odd hour during the day, and four hours on each weekend day if there isn't a Honey-do, and cleaning the bell housing took almost three weeks!  It would take three guys cleaning to keep up with one guy wrenching.

Brian

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