69dieselfreak
well that nice
got to say that is an interesting combo i like it thats good u didnt go with a cummins dare to be different
And so it begins!
- Thread starter GenLightening
- Start date
sootman73
Registered User
well you would have to do the lockup on it if you got an exhaust brake. it would prefer to unlock completely and freewheel. an exhaust brake would not help you very much then! plus the lockup is better for accelerating while pulling a trailer too! looks good!
GenLightening
Yeah, it's a CHEVY!
Looking good. With an electric vac pump you would have room for onboard air.Good luck Doug!
I don't have any needs for the onboard air, not that it's any reason not to have it! I was looking at the electric vacs, too pricey so far. It can wait. I'll be finishing up the motor mounts today and maybe get started on moving the firewall around. Mine won't be quite as nice as yours, but I'm trying to make it look like it came with it.
GenLightening
Yeah, it's a CHEVY!
I took a few more pics, still making progress, although not a quick as I want. The engine is back out and I'm cleaning up the initial cutout for the downpipe, it's hard to do with the engine in the way! Motor mounts are done, just need a coat of paint. Next is putting the engine back in for the last time. Ok, it's only the second time, I ended up getting things right the first time. I'm really glad I held off on installing the new carpet! And I've got a nice piece of sheetmetal to fill in the hole in the floor.
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FordGuy100
Registered User
Right on man, thats going to be a killer rig when its all said and done 
Diesel JD
Full Access Member
I keep hearing the exhaust brake is a killer on these engines as well. Towcat had some reasons for that...don't rightly recall at this point, but as you said it has to do with the valve train.
FordGuy100
Registered User
It had something to do with it being like a hydrolic style came and roller tapits. Something about the increased load on them would do something bad eventually. Or at least thats what I remember.
GenLightening
Yeah, it's a CHEVY!
There was only 3/4" clearance between the up pipe and the firewall, which was more than I expected. So I had to make room for the 3" downpipe. And I needed an extra foot warmer for my wife. Hope it works good!
What are your thoughts on the US Gear exhaust brake that came with my donor truck? Should I off it now or give it a try? With the Baumann controller I'll be able to set the lockup and the brake would help, but I don't want to grenade anything.
Our motors have 100lb valve springs. with the exhaust brake, It won't take much effort to open the valves from the backpressure. There is brakes out there that have a overpressure valve that minimizes that from happening, but the risk is still there.
GenLightening
Yeah, it's a CHEVY!
So, the valves open, pistons come up and "That'll be $3000, thankyouverymuch". Sound about right?
that pretty much sums it up.
post a pic of the one you have. As far as I am aware of, Pacbrake is the one with the overpressure valve.
GenLightening
Yeah, it's a CHEVY!
A quick update with photos to follow. Engine and trans (with a new triple disk TC) are bolted in. Driveshaft has been shortened, Ford yoke installed and everything is hooked up. Shifter linkage has been modified and works fine. Got my Carrier fuel pump and need to install it. Waiting for my custom speedo cable to arrive. Need to start the wiring, fuel lines and hook up the radiator and electric fans. It looks so nice!
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