Joined
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43 Posts
Rather than wrecking anyone else's threads I will post my .02cents here....
--Not every vehicle was meant to have a 4BT, although almost everyone can fit it I would be concerned with weight. Dry the motor specs in around 750+ lbs, they were notorious for wearing out the P30 Chassis front ends due to weight. So a honda civic is not a good candidate for the swap. Know what your vehicle's front end is rated for weight wise and make the safe decision to beef up components or stay away from me on the road.
--Its a torquey rascal, It WILL tear up stock diesel app clutches, I've witnessed one motor eat 3 6.2L clutches ar 4000 mile intervals with correct installation due to the torque of the motor maxing out the dampener springs.
A $350 clutch set later its holding some of its balls.....I've also seen a driveline parking brake ripped to peices when it was accidentally left on and Jesse from High Angle wanted to see it because not even the Big block apps had done that.....and watched one bust rear spring pearch tack welds and roll the whole pumpkin over....Cummins sent out a service memo of updating and beefing up even the th400 for the 4BT app, its got a special deep transmission pan integrated into a lower bellhousing flywheel cover. The two options with the 4bt in the P30 vans was a SM465 and a TH400, run anything subpar and pay the price, A high HP tranny such as a built 700R4 will not likely stand the test of time to super low RPM high torque numbers. Even if it does will the housing last?
--The plus side of things are its extremely efficent, hard to overheat and extremely reliable.
--Its no speed demon, I have yet to see a 4BT run a 14 second quater mile but it can get out of its own way.
--Cost of the swap, be careful deals are out there but the overall upgrades and unforseen other costs, driveshafts, axles etc can easily put the swap near the $7-10K range. I have a total of 3K in mine so far
--Not every vehicle was meant to have a 4BT, although almost everyone can fit it I would be concerned with weight. Dry the motor specs in around 750+ lbs, they were notorious for wearing out the P30 Chassis front ends due to weight. So a honda civic is not a good candidate for the swap. Know what your vehicle's front end is rated for weight wise and make the safe decision to beef up components or stay away from me on the road.
--Its a torquey rascal, It WILL tear up stock diesel app clutches, I've witnessed one motor eat 3 6.2L clutches ar 4000 mile intervals with correct installation due to the torque of the motor maxing out the dampener springs.
A $350 clutch set later its holding some of its balls.....I've also seen a driveline parking brake ripped to peices when it was accidentally left on and Jesse from High Angle wanted to see it because not even the Big block apps had done that.....and watched one bust rear spring pearch tack welds and roll the whole pumpkin over....Cummins sent out a service memo of updating and beefing up even the th400 for the 4BT app, its got a special deep transmission pan integrated into a lower bellhousing flywheel cover. The two options with the 4bt in the P30 vans was a SM465 and a TH400, run anything subpar and pay the price, A high HP tranny such as a built 700R4 will not likely stand the test of time to super low RPM high torque numbers. Even if it does will the housing last?
--The plus side of things are its extremely efficent, hard to overheat and extremely reliable.
--Its no speed demon, I have yet to see a 4BT run a 14 second quater mile but it can get out of its own way.
--Cost of the swap, be careful deals are out there but the overall upgrades and unforseen other costs, driveshafts, axles etc can easily put the swap near the $7-10K range. I have a total of 3K in mine so far