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#1
06-12-2010, 09:44 AM
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Having a 3.91 rear end is odd... The M46 cars (at least according to my owners manual) come with a 3.55 rear end and the auto with a 3.70ish ratio. 3.91 would be very short. I had the m46 with my 3.70 rear and 1st gear wouldn't build barely any boost from a stop or slow roll unless you brake boosted it. Fortuneatly, the T-5 has a taller 1st, and now I'm going to be running the 3.55 rear gears since thats what came out of Alex's '83 760.
Jason
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  Back again with a '84 760 GLE D24T/ZF SOLD but not forgotten! 1984 760 Sedan, built D24Tic/ T-5 swapped My engine build: http://www.d24t.com/showthread.php?t...t=engine+build T-5 swap: http://d24t.com/showthread.php?399-W...to-quot-w-pics! 
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#2
06-12-2010, 10:09 AM
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My 760 did have the ZF then was converted to the M46 by one of the previous owners.
Jason, I would like to see what kind of numbers your putting down on a dyno 
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84-264 D24 M46 135K 33MPG 84-D24T 84-764 D24T M46 86-245 B230 366K 83-244 Turbo B21FT M46 72-145 B20 M40 77-245 B21ft project 78-242 B21f BW55 97K 79-242GT B21F M46 165K Biodiesel Processor For Sale
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#3
06-12-2010, 10:34 AM
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So would I! According to the online calculators, its making about 162 hp at the wheels. That should be 180ish at the flywheel. I really wonder what kind of torque though. The engine is getting pretty tired however. I think I'll wait to spend the money on dynoing once the new engine is installed with some real boost and ported/polished head, and NA manifold. I plan to make a few pulls at different boost levels to see how the power increases over a range of boost levels.
Jason
__________________
Back again with a '84 760 GLE D24T/ZF SOLD but not forgotten! 1984 760 Sedan, built D24Tic/ T-5 swapped My engine build: http://www.d24t.com/showthread.php?t...t=engine+build T-5 swap: http://d24t.com/showthread.php?399-W...to-quot-w-pics!
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#4
06-14-2010, 04:27 PM
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Well, I'm now sportin' the 3.55 gear set out of Alex's '83 that we are parting out. I think the car is actually a little faster thanks to the taller gears... I can build more boost in 1st gear than I could before, and build it more quickly. I also welded up the spider gears so there will be no more blown rear ends! (at least not from the spiders comming apart). It really hooks well now that both tires are doing some work!
Back to the track we go! Jason
__________________
Back again with a '84 760 GLE D24T/ZF SOLD but not forgotten! 1984 760 Sedan, built D24Tic/ T-5 swapped My engine build: http://www.d24t.com/showthread.php?t...t=engine+build T-5 swap: http://d24t.com/showthread.php?399-W...to-quot-w-pics!
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