Custom ported and CNC throttle bodies, upper and lower manifolds by Synergy Composite

N0SL3N

I think 67.5 mm. Megan knows for sure.

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Megan370z

the OEM TB are 60mm
mine were bored to 62.5mm

62.5mm to inch = 2.46063''




on the posted picture with those shiny polished TB ,, I doubt there was any boring at all since there is still that OEM bump at the butterfly plate





then next ... I hope those 2 screw holding the plate are atleast torqued down with some Red Loctite !!
stacking them is always a safe bet for this stuff !!

the reason why I'm saying this is because the plate is now thinner and not much thread holding those screws...







the work on the lower intake manifold look quite good on those picture
He seem to also have done alright with the matching of both lower & upper manifold ,, could have been better since I think the lower corner were done a bit fast...

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synolimit

Well we left it so not to mess with the idle. I wanted everything bigger but that 1/8th lip. But looks like nothing was done. Maxbore for $179 seems to CNC the whole thing plus a bigger butterfly. Looks like ill head that route as I know the plate is only 2.35 inch and the intake and manifold are 2.5". Makes no sense to bottle neck it.



They were never removed. The threads of the screws stuck into the path of air flow so they were just ground flush with the rod. No material looks to be removed on the rod.


The issue is the manifold has wiggle room. Push it right and you get a over lapping, push left and the port matching is perfect. When installed you'll have remember which way to push so it perfectly smooth.

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13 370z-

Megan370z

Maxbore are doing 179$ for each TB ? or for both ?


As far as I remember the 4x OEM TB I have has/had a full round main shaft but only flat at the head of the screws .. not where the thread are which was a full complete half round shaft...

I would be surprised if Nissan decided to make a different TB for the 370z.

Vs


I was conservative on the guessing

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synolimit

$99 each, $179 both.

Hmm, idk then.

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13 370z-