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Top Fuel Friday May 23, 2006 07:44 PM

Nitrous Backfires
 
How many guys have lost their stock intake manifold to nitrous back fires? Will an bullitt manifold be prone to breakage like the plastic one, or will it be able to handle such a back fire?

dan03mach May 24, 2006 12:01 AM

You shouldn't have trouble with the bullitt intake but to keep the car from backfiring due to over rev or coming on to early I would put a window switch in there.. You shouldn't have any issues if you spray between 3400-6000 rpms.. And don't try to put too much Nitrous through it.. I would keep it at a 100 shot maybe a 125 shot but no bigger on the stock intake.

LS1 KLR Jun 4, 2006 02:39 AM


Originally Posted by Top Fuel Friday
How many guys have lost their stock intake manifold to nitrous back fires? Will an bullitt manifold be prone to breakage like the plastic one, or will it be able to handle such a back fire?

The Bullit should be able to withstand a backfire more than a stock plastic one that's for sure....but I've seen some pretty serious backfires blow apart some aluminum intakes before...not a pretty site!

MisterGiggleJuice Nov 15, 2006 06:18 PM


Originally Posted by LS1 KLR
The Bullit should be able to withstand a backfire more than a stock plastic one that's for sure....but I've seen some pretty serious backfires blow apart some aluminum intakes before...not a pretty site!


i've seen more than a few 96-98 and 99/01 cobra's blow up their manifold

ITSTOCK Dec 9, 2006 07:00 PM

Add a window switch and you won't have a manifold blowing off...or up (assuming that you are talking about NORMAL nitrous shot usage).

It's caused by the fuel puddling at low RPMS (not getting sucked in)

Dynotune04 Dec 24, 2006 01:08 PM

Also dont pedal your car while spraying the car stay in the throttle or completely get out of it pedaling the car will cause puddling of gas and nitrous in the intake manifold and that will most certainly cause a backfire

SOMFormula Dec 31, 2006 01:24 AM

Window Switch is a MUST for an manual transmission. MSD digital one is a good one. I like the adjustability. Correct me if I am wrong, but can't you do a Direct Port from Dyno tune, and that way you won't get the puddling effect that a shark nozzle (or something similar) will give you? I'm not familiar with Mustangs, but the Direct port I'm looking at from Dyno Tune just puts a little adaptor on your fuel injector, so that you can add the N20 and fuel lines directly to the fuel injector. It seems to be the best "bang for the buck" setup out there for a direct port! Maybe they have a Mustang version?

Dynotune04 Jan 5, 2007 03:35 PM

last time i was at dyno tune the did not offer a set up for direct port for a mustang. i run the dynotune wet kit and havnt had any problems but i havnt been there or talked to them since august


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