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Re: BBC/TH400 Conversion
I used all factory holes, but had to have my driveshaft shortened to 59.5”. Took out 250/3OTT and put in 402/TH400 using all factory big block components including the shift linkage, 68-71 mounts and frame stands, and one piece driveshaft. It has an HEI distributor and there is enough clearance to remove and install it with the engine in place. I don’t know if 2WD and 4WD frames are the same, mine is 2WD SWB.
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70 C/10 SWB 402/TH400/3.73 "The Needy Beast"
200,000 Mile Club
Disc Brake Club
Owner installed options:
Front Sway Bar
Power Steering
Power Brakes
Cigar Lighter
Courtesy Lights
Deluxe Side Markers
Wiper Delay
Power windows
Power Locks
Sniper EFI
2015 Silverado 1500 LS 4.3/6L80/3.23 lowered 2" front & rear
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