BBC Headers, A Question....

[82sbshortbed]

Let's hear how they sound!

 

[bucket]

If you are big block and 2wd like we are, these headers tuck way up in the frame.
No hang down at all.

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Looking under the truck we can see them ahead of the frame.

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Sticking our faces even further under there you can see the collectors and our crappy connection to the flex pipe. That will be removed when we replace the transmission cross member for one with better clearance for a dual exhaust.

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Now these headers feed back through all 2-1/2" piping to these Jones Flow Pack single chamber mufflers. Strangely enough for it being a BBC with simple exhaust, it is fairly quiet. The engine has a "RV" cam in it and you can just detect the extra note it has.

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It will still put a huge smile on your face when you mash the gas pedal.
And it really does sing well when up on the huge secondary's that the Quadrajet has.
Doing so will easily overpower either the clutch or the brand new Coopers it wears on its wheels.

That's basically the exact exhaust setup I'm running on my '78 Suburban. The only difference is I have the other style of crossmember.

 

[Catbox]

Let's hear how they sound!

I hafta get my kids phone and post it to my YouTube as he took video of it the other day.

 

[Catbox]

That's basically the exact exhaust setup I'm running on my '78 Suburban. The only difference is I have the other style of crossmember.

We have the other kind of crossmember as well.
It was already mostly taken out of a truck in the yard, we just finished.
But at the time I was not 100% aware of the whole setup and missed the little support parts that go with it.

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I am going to end up ordering one of these fancy Tejas Steel Works, High Steel Transmission Mount ones for the truck here one day...

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[bucket]

Mine is missing the support pieces, they really aren't needed.

 

[Vintage Musclecar]

We have the other kind of crossmember as well.
It was already mostly taken out of a truck in the yard, we just finished.
But at the time I was not 100% aware of the whole setup and missed the little support parts that go with it.

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What is the original application for this crossmember?

 

[Catbox]

This one came from a 2wd stickshift V8 squarebody in the junkyard.
Other than that I am not sure how they figured what they went into.

 

[bucket]

This one came from a 2wd stickshift V8 squarebody in the junkyard.
Other than that I am not sure how they figured what they went into.

I'll have to look at mine again, it may be stamped a little different. Mine is a '78 with auto and duals.

Iirc, my '86 version of the very same powertrain had the goofy looking crossmember and it was factory duals as well. I'm not sure the reasoning for the different crossmembers.