63 MM Throttle Bodies

[LGAFF]

I have three throttle bodies and enough blades to do all three to 63MM... looking at interest. I was thinking $700 outright or $400 with your core.


Let me know

[efnfast]

Expected gains Lee?
I'm fully ported with cams.

[LGAFF]

Probably 8-12 HP and better throttle response... most of the big builders did them back in the day Rippie, Lingenfelter I believe.. others might chime in

[XfireZ51]

Expected gains Lee?
I'm fully ported with cams.

I?m have been using a 63mm TB for quite some time. Mods include Pete?s Stage 2 cams w full porting, headers, and my tune.

[rush91]

I would be interested, would it be ok to do on an all stock motor? Or not worth it unless upgrades were done?

[LGAFF]

You would need mods to take advantage; need to match the plenum openings to 63mm


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[scottskill]

What is the stock plenum diameter?

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[LGAFF]

TB opening is around 58


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[mhobtr]

Does the intake horn have to be modified as well?

[LGAFF]

Yes the air horn mist be matched

[LGAFF]

Roughed out 63 mm vs stock15754


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[XfireZ51]

Roughed out 63 mm vs stock15754


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Lots more air