creeping fuel pressure at nos reg , ok for the street?

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roadrunner451
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creeping fuel pressure at nos reg , ok for the street?

#1 Post by roadrunner451 » Wed May 07, 2008 9:54 am

i have a 500 magnafuel pump and a magnafuel 2 port reg for carb i run a mallory reg for my 150 shot fogger , my question is .will the mallory reg for nos be ok with the pressure creep i get cause i dont use the nos much i know alot of folks use a dead head system but is that at the track ,where its not on for hours like on the street or should i invest in a 0.19 bleed and run it back to the cell thanks for your help... :?:
mike , 1970 road runner 451 cu in indy 440-1 cyl heads, solid roller cam,T&D rockers 11.12 at 120 mph on motor.

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John_Heard
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#2 Post by John_Heard » Wed May 07, 2008 10:16 am

You'll get a lot of different opinons on this one... IMHO if you want to avoid pegging your gauge all the time when the nitrous is off put a bleed on it.

bbc68nova
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#3 Post by bbc68nova » Wed May 07, 2008 11:25 am

i have a
magnafuel 300 with a mallory reg. on thecarb
personally spend the money buy the holley reg.especcially for nitrous
cheaper than rebuilding the mallory
and i put a bleed on mine to save it

FOFITTY
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#4 Post by FOFITTY » Wed May 07, 2008 4:03 pm

Anybody have photos/ Diagram of how to build a bleed off of a Holley Regulator? With a holley jet etc.
Larry Waters JR.

" Growing up I never thought I would be asking my Dad to borrow his Nitrous Bottle ! "

roadrunner451
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#5 Post by roadrunner451 » Thu May 08, 2008 8:01 am

check out magnafuel.com under parts and accesories "fittings" part#3110 just install the fitting w/bleed after the regulator with a -3 line to the fuel tank or cell using a -3 bulkhead fitting unless you have multible stages of nos then you can use a fuel block and run a - 6 or a -8 line to cell or tank
mike , 1970 road runner 451 cu in indy 440-1 cyl heads, solid roller cam,T&D rockers 11.12 at 120 mph on motor.

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