TnT exhaust manifold picture

[MTRHEAD]

Like to see a tnt forward manifold receiving end. Been told you can’t fit a Pfp or std FPP connecting forward pipe.

I’ve heard it has a taper? Can someone post a picture. I’ve done a google but can’t find a pic

 

[FlyinRyan324]

Not sure if it helps anything but I’ve been running a PFP manifold with a TNT manifold. I don’t think that’s what you’re asking tho.

 

[MTRHEAD]

Ok. I was told the tnt manifold has some form of taper in it? Made for inserts or fitting? Just curious

 

[Jetfiend]

It tapers, @tntsuperjet mentioned that a PFP would fit if you trimmed down the chamber side that goes into the manifold. Maybe he can chime in here.

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[MTRHEAD]

Thanks. Does his pipe side loOk significantly different? Wonder why?

 

[Jetfiend]

Thanks. Does his pipe side loOk significantly different? Wonder why?

..

I was curious about this myself.

PFP on the left - TNT V3 on the right

The PFP barely makes it past the first O-ring groove:

The TNT mates up nicely, but it is metal on metal:

PFP:

TNT:

Notice that the TNT is tapered and 4mm smaller on the end vs. the PFP. I'm not sure if cutting down the PFP would make any difference.

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[Jetfiend]

...

To further complicate things, I took out the TNT manifold that I have been running with my V3. The PFP chamber matched up much better, as this manifold appears to have a larger inside diameter. If the bead of RTV wasn't in there, I think the PFP chamber would fit up nice. So it looks like there are different diameter TNT manifolds out there? @tntsuperjet

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[MTRHEAD]

Wow. Thank you for the great response. Looks like cost savings way to make the stainless chamber work without a metal coupler pc. Now i fully understand!

 

[tntsuperjet]

The first 3/4 of an inch inside the tnt manifold is the same size as the PFP MANIFOLD
I have two different chambers that use one manifold so i had to come up with a universal manifold design.
But if you pick up the front edge bore and machine that deeper the pfp will slip right in.