[68blackbird]

Looking into turbo manifolds for my 68 Firebird.

Been cruising the threads in here and searching the web... can't seem to find a vendor that sells exhaust headers for this application?

Can you guys point me in the right direction?

Rich

[quick67bird]

I haven't seen any offered in a long time. I would like to get a set myself. I think you may have to have a custom set of headers built for your car.

[Tom Vaught]

455TURBO was the only guy who actually sold any Turbo Headers on the board, I believe.
He only made a couple of sets and he has not posted in many years. They were made from thick wall "weld-els"

Tom V.

[v869tr6]

Wonder how many Pontiac people would go turbo if a set of manifolds or headers were available?

[Tom Vaught]

The knowledge is there to make them in cast iron but that would require orders to Mark at Luhn Performance.

Tom V.

[bankbook]

Aronhk md. Had a thread with them being made from tribal tubes I believe.

http://forums.maxperformanceinc.com/...d.php?t=700008

[BruceWilkie]

Jeff Palazzo(turbo69bird on PZ think here as well) used to sell some 1st gen headers iirc.

[68blackbird]

I'll see if I can message a few of those guys. I totally get not many of them being built. Just not that much demand.

I'm thinking blow through carb on e85... could be fun ��

Rich

[bankbook]

Originally Posted by BruceWilkie

Jeff Palazzo(turbo69bird on PZ think here as well) used to sell some 1st gen headers iirc.

Jeff has been out for a whil4, perhaps a good demand might inspire home to do another run.

Definitely need to contact him either way for his input as he has done this many times.

[charlie66]

Is there any difference with power output going from log to headers with a turbo combo? It would be a lot easier to make a pair of logs...

[BruceWilkie]

See plenty of turbo cars using factory logs and supporting 1000 hp. Homemade logs could probably support more if done right. You dont need anything elaborate.

Pontiac center dump logs might be fine with a bit of massaging at the ports and outlet. Long branches would require some trick tube bending on a 1st gen and not sure if RA4 manifolds can work on a 1st gen.

If you had front/rear plate vs stock motor mounts you might get away with long branches by swapping sides and exiting forward.

[charlie66]

Originally Posted by BruceWilkie

See plenty of turbo cars using factory logs and supporting 1000 hp. Homemade logs could probably support more if done right. You dont need anything elaborate.

Pontiac center dump logs might be fine with a bit of massaging at the ports and outlet. Long branches would require some trick tube bending on a 1st gen and not sure if RA4 manifolds can work on a 1st gen.

If you had front/rear plate vs stock motor mounts you might get away with long branches by swapping sides and exiting forward.

What are log branches ?

Thanks

[johnta1]

These are welded tubing log manifolds.



But he was also talking of using a stock manifold (long branch) and swapping sides to connect the turbo.

[charlie66]

Originally Posted by johnta1

These are welded tubing log manifolds.



But he was also talking of using a stock manifold (long branch) and swapping sides to connect the turbo.

Thanks for the picture. Is a long branch one of those HO exhaust manifolds?

[69FIREBIRD76MM]

I bought a set from Jeff few years ago, they were stainless 2 mm thick tubing, cross over with a T6 flange, They fit very nice.
Jeff mention there was not much demand and the cost wasn't worth making them no more.

[johnta1]

Is a long branch one of those HO exhaust manifolds?

Yes.

[charlie66]

Originally Posted by johnta1

Yes.

Thanks. I think those would work pretty good..

[charlie66]

Originally Posted by BruceWilkie

See plenty of turbo cars using factory logs and supporting 1000 hp. Homemade logs could probably support more if done right. You dont need anything elaborate.

Pontiac center dump logs might be fine with a bit of massaging at the ports and outlet. Long branches would require some trick tube bending on a 1st gen and not sure if RA4 manifolds can work on a 1st gen.

If you had front/rear plate vs stock motor mounts you might get away with long branches by swapping sides and exiting forward.

What about if you made a log where the short primary tubes came in to the main larger pipe at an angle. Then would the log design be capable of making the same power as a header?

[taff2]

I used a set of stock cast iron manifolds years ago on a 400 ,swapped them side to side so they exited to the front and then made J pipes to the front mounted turbos.
I made a set of 1 5/8" ID mild steel headers for my current turbo combo using a weld up SBC shorty header kit from Summit,just changed the flanges to Pontiac. They've been on the car for a year or two now without any problems,race use only though.
A mate of mine fabbed his own headers but also used J pipes to the turbos because of space limitations in his small car.
I have thought about using a set of flowed cast manifolds for the next turbo combo on my sons car, considering that the biggest restriction in the exhaust system is the 'hole' which all the exhaust gases have to pass through in the turbine housing, I don't see them being a problem.

[Curious George]

I have a set of the Jeff Palazzo/turbo69bird headers, PM sent.