bd super b special
I find removing the turbine housing and install that first is easier than installing the whole turbo. No fighting with clearances around the shock tower. You can also try attaching the drain tube to the CHRA prior to installing it into the turbine housing. Its pretty straight forward otherwise.
I find removing the turbine housing and install that first is easier than installing the whole turbo. No fighting with clearances around the shock tower. You can also try attaching the drain tube to the CHRA prior to installing it into the turbine housing. Its pretty straight forward otherwise.

I made sure the oil line in/out fit before I installed it just to be sure for clearances etc. My old S300 needed a few dents in the drain tube to clear the compressor housing.
just talked to my diesel guy, i guess its a schwitzer s300 custom 62mm. not from bd. any other mods i should be looking at in the near future to support this setup? like valvesprings or cooler boots or anything?
Assuming it has a wastegate, you should be in good shape.
At 400 hp, you will be pushing that 300/62 pretty hard. I use a turbo timer to make sure everything cools down, and winds down, before shutting off the engine. Along with the remote start, they work great!
RJ
At 400 hp, you will be pushing that 300/62 pretty hard. I use a turbo timer to make sure everything cools down, and winds down, before shutting off the engine. Along with the remote start, they work great!
RJ
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But Member/friend 'BNold' did not. We were both at 600 hp, with twins at 65 psi boost, and he never had a leaking problem with those factory boots??
The clamps would blow off the hard air tubes ocasionally, but never leaked!
I would wait and see on those if I had it to do again..... particularly with the price of heavier boots.
RJ
I guess a few bucks in good clamps might be a better investment then? I dunno. But I had a rub in mine from the sheet metal so I wasn't comfortable with that. A little metal work to bend the fender metal back around to make it less of a sharp edge and new boots let me sleep at night.. LOL.
It's more a question of "How much Boost"?.
Officially, the spec for the factory CAC (Charge Air Cooler) is to be able to withstand 35 psi. Since factory boost is low 20's...no problem.
The factory cooler will handle more than that....in many cases. But each unit is different. Some have no problem at 40+ psi while other leak badly!
Obviously, an after market unit will handle a lot more and is designed to run cooler air temps.
RJ
Officially, the spec for the factory CAC (Charge Air Cooler) is to be able to withstand 35 psi. Since factory boost is low 20's...no problem.
The factory cooler will handle more than that....in many cases. But each unit is different. Some have no problem at 40+ psi while other leak badly!
Obviously, an after market unit will handle a lot more and is designed to run cooler air temps.
RJ
It's more a question of "How much Boost"?.
Officially, the spec for the factory CAC (Charge Air Cooler) is to be able to withstand 35 psi. Since factory boost is low 20's...no problem.
The factory cooler will handle more than that....in many cases. But each unit is different. Some have no problem at 40+ psi while other leak badly!
Obviously, an after market unit will handle a lot more and is designed to run cooler air temps.
RJ
Officially, the spec for the factory CAC (Charge Air Cooler) is to be able to withstand 35 psi. Since factory boost is low 20's...no problem.
The factory cooler will handle more than that....in many cases. But each unit is different. Some have no problem at 40+ psi while other leak badly!
Obviously, an after market unit will handle a lot more and is designed to run cooler air temps.
RJ
The boots should be fine for a single turbo. I blew one off once at 50 psi, but like Rowland said, it was just a clamp, stuffed it back on and tightened it down. Put another year on it. When I put my twins on, half my boots were still stock. They held 80 psi numerous times. But I wouldn't expect them to. I had an aftermarket boot kit ready to go.
Is this turbo wastegated? Get the turbine size and housing A/R. If its small, you might want to look into something else. A 65mm wheel with a 0.70 A/R is gonna light quick, but choke out. I'd look for a 68 or 71mm turbine myself.


