Log style turbo exhaust manifolds?

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Mar 21, 2009 | 08:35 AM

#31

GENIIIDude

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Quote:

Originally Posted by kbracing96

WOW! 5000rwhp!

I ran, simen dekas(sp) 60's on my 4.8 (actualy about 70's at our fp) and didn't have any problems tuning for them or with dd performance. They aren't not plug and play, you have to space the fuel rails up 5/8" and change the injectors pigtails to the car style.

Man - nothing gets by you! You would need some 300's to get 5000rwhp and A LOT more turbossss!

Mar 21, 2009 | 08:45 AM

#32

kbracing96

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From: Oakland, OR

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Originally Posted by 53RUSSELL

Kyle can you still get the pigtails that connect to stock ones and convert them to car style so you don't have to splice into the wire harness?

You would have to talk to whipple496. He made a couple sets and I got one of them, don't know if he has any more or not.

Mar 21, 2009 | 10:33 AM

#33

53RUSSELL

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From: AJ, AZ

Quote:

Originally Posted by kbracing96

You would have to talk to whipple496. He made a couple sets and I got one of them, don't know if he has any more or not.

Thanks kyle

Mar 27, 2009 | 07:10 AM

#34

GENIIIDude

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Originally Posted by kbracing96

This is what I build, have sold many of them. It's secd 40 steel pipe and weldels. Holds up quite well.

Secd 10 is .120 wall
Secd 40 is .203 wall

Is there ant reason that 3" instead od 2 1/2 for the main log piece wouldn't work? If not what is the effect of the larger pipe? Thanks

Mar 27, 2009 | 08:46 AM

#35

kbracing96

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I don't think it would make any differences. Pipe is 2 1/2" on the ID, so this manifold is about 3" od.

Mar 27, 2009 | 08:58 AM

#36

GENIIIDude

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Quote:

Originally Posted by kbracing96

I don't think it would make any differences. Pipe is 2 1/2" on the ID, so this manifold is about 3" od.

Appreciate it - another question - why do you split the header flange in the middle?

Mar 27, 2009 | 01:52 PM

#37

kbracing96

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Quote:

Originally Posted by GENIIIDude

Appreciate it - another question - why do you split the header flange in the middle?

For heat expansion and contraction. Probable not as important with the steel manifold, but better with SS which expands and contracts a lot more then steel. If it's cut there, it can move easier and lessens the chances of cracking.

Mar 27, 2009 | 03:17 PM

#38

GENIIIDude

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Originally Posted by kbracing96

Thanks - that's probably a good thing to do then. Also, where do you put your wastegate with your style of manifold? The reason I ask is because I found a slick 3" by 1 1/2" tee that I could use in the center of the log. Will that work for the wastegate?