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Nicksturbo

New Member
Joined
May 24, 2001
Messages
282
Hi I CALLED limit engineering today,talk to Chopper he said he does not reccomend bb turbos for buicks. has anybody heard of this?
Nick
 
I talked with him a while ago before I bought my BB67. His reasoning is the height of the turbo in relation to the rest of the cooling system. He was concerned about the air in the system getting trapped in the turbo and well...do I need to finish?
 
I talked with him a while ago before I bought my BB67. His reasoning is the height of the turbo in relation to the rest of the cooling system. He was concerned about the air in the system getting trapped in the turbo and well...do I need to finish?

funny you should mention that . I was looking at mine after the install and thinking the EXACT same thing seeing it is the highest point in the system . maybe it was my background in the Pipefitting trade when it comes to air in closed presureized systems that made me look at it that way . but it was one of the first things that came to mind after the install . a presureized close system will still operate with a minimal amount of air in them , more of a concern would be pump cavitation which would be unlikely in our case .
 
I havent heard of anyone failing the new BB's due to a air situation. Anyone heard? I did however jack the front of the car up and bleed all the air out while it was running just to be sure.
 
I havent heard of anyone failing the new BB's due to a air situation. Anyone heard? I did however jack the front of the car up and bleed all the air out while it was running just to be sure.


no need to jack the car up for that IMO, seeing that the turbo is already at the highest point . :) I really wouldn't worry about it seeing that it's working for others and a rash of over heat bearings haven't been reported . I don't think a BB turbo would last to long if it was not getting sufficient water cooling . :) Then again "Chopper" has see alot more turbos than I have , so maybe he has come across a few BB turbos that have had over heating issues because of the design . :)
 
no need to jack the car up for that IMO, seeing that the turbo is already at the highest point . :) I really wouldn't worry about it seeing that it's working for others and a rash of over heat bearings haven't been reported . I don't think a BB turbo would last to long if it was not getting sufficient water cooling . :) Then again "Chopper" see alot more turbos than me , so maybe he has come across a few BB turbo that have had over heating issues .


Sorry for the confusion but I meant the air in the entire cooling system. Air has a tendency to get trapped in the heads and since the engine was rebuilt at the same time the turbo was installed blah blah blah. :smile: I havent spoken to chops since our first conversation but Im curious now.
 
The last time I looked the heater core was a few inches higher than my turbo fittings.

Had to use a 3"-4" drop right angled hose to feed mine, does go uphill to drain it.

Only been on about 3 1/2 years now, maybe I should check on that water. ;)

I used clear fittings and there was plenty of flow in there, they are dark green now from the anti-freeze dye but maybe those weenie throttle body lines might get airlocked who knows.... :confused:
 
Umm, yeah, I'm gonna have to say hog wash to that statement. And here's why.
The coolant lines that PTE recommends that you use to feed the turbo, are the same coolant lines that "Used to" feed the T-body coolant passage. Now, unless I'm totally loosing it here, that t-body passage is higher than the coolant lines on the turbo. By about a good oh 6 inches I'd say. I'm sure the engineers that designed this system in the beginning did their homework, as I've never heard of anyone having problems with their coolant system with regards to cavatation or air in the lines. Routing the coolant lines off the heater core hard pipe is the best place to do it, due to the excess flow from the intake coolant passage.
There are hundreds of DBB turbos installed on Turbo Buicks since 2006 when they were first released for sale to the Turbo Buick community. Never have I heard of any failure issues when running the coolant lines to them from this hard pipe. It's only when you don't run coolant lines at all where I've seen failures. I myself am currently on my second DBB Garrett based PTE turbo, (upgraded from TE-60RE to PT6776RLHP) and will not go back to a journal bearing based turbo. DBB FTW. That's "For The Win" not the other version. ;)

Hope this helps.

Patrick
 
Nick your on LongIsland take a ride to my house and ill give you a ride in My 6776 BB turbo ......................than make your own decision .
 
Nick your on LongIsland take a ride to my house and ill give you a ride in My 6776 BB turbo ......................than make your own decision .
 
FWIW - my brother had the opportunity to "deal" with Chopper, he wanted a Custom turbo for his Hot-Air, Chopper said it couldnt be done or it was too hard to do or something along those lines..... well ITs DONE a local TURBO guru who does a lot of our porting and rebuilding did it... maybe it took a lil' ingenuity and work but its done. No disrespect to Limit, BUT i have heard some things about "phone happenings" w/ Chopper that didnt make a whole lot of sense from more than one person... take it for what its worth....maybe they were trying to unload some stock they already had:rolleyes:
 
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