ZR-1 Net Registry Forums - View Single Post

Schrade · 03-20-2014

Q's:

Is there a flow rating for stock?
How 'bout for 63mm?
And with 63mm, where's the bottleneck inflow THEN, with stock non-ported plenum / IH's?

AND...

how well do they hold vac @ idle?

When I re-assembled my TB after top end housecleaning, I could see no light around the blades, BUT, when I had the 2nd TB butterflies blocked with the restrictor gasket, I saw a BIG difference in steadiness of idle RPM, attributable ONLY to air leaking by sec butterflies that LOOKED sealed...

03-20-2014	#6
Schrade Join Date: Dec 2012 Location: NC Posts: 1,783	Re: 63mm TB Q's: Is there a flow rating for stock? How 'bout for 63mm? And with 63mm, where's the bottleneck inflow THEN, with stock non-ported plenum / IH's? AND... how well do they hold vac @ idle? When I re-assembled my TB after top end housecleaning, I could see no light around the blades, BUT, when I had the 2nd TB butterflies blocked with the restrictor gasket, I saw a BIG difference in steadiness of idle RPM, attributable ONLY to air leaking by sec butterflies that LOOKED sealed...