i don't like the gearing in them as they are for a heavy pig. That is the main downside IMO.
the mainshaft (output shaft) has a 3 finger flange on it requiring an adapter to make it mate up to a more common 6 bolt flange and then a slip yoke built into the driveshaft. meaning more expensive driveshaft by a couple hundred or more.
http://www.driveshaftshop.com/domest...nversion-plate
the bellhousing is also one piece integrated into the front bearing plate.... so if you wanted to put on an SFI bellhousing it is a custom setup $$$.
Just get a T56 Magnum with the 2.66 1st gear ratio. Then 5th gear is nice and close (.80 ratio) to stay in your powerband.
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Project: 1969 Chevelle, alum 5.3, GTS76 turbo, Chiseled Perf A/W intercooler, Holley Dominator EFI, Davis TC, JRi coilovers, 14" brakes, T56 Magnum. CTS-V Recaro seats!
Coffey Fabrication Nashville, TN doing the fabwork! 800rwhp+/25mpg+/9's@150mph goal
https://lateral-g.net/forums/showthread.php4?t=52976
1993 Mazda FD RX-7, built LS7, T56 Magnum, Holley HP, Davis Tech TC, 8.8" 3.73 Cobra IRS diff, DSS axles, Ohlins coilovers, big brakes.
CCW 18x11 front 315/30/18's and 18x12.5 rear on 335/30/18 RA1's,
2850lbs
10.31@137mph 165mph Shift-Sector 1/2 mile speed
441ci AllPro headed motor and 200lb weigh reduction in the works....