Injector question - 2003-04 Mach 1 Registry Owners Club

SparksMach1 · 04-24-2009, 09:16 AM

if someone happens to be pushing 355HP and 354TQ to the wheels, are the stock injectors close to being maxed out? and should this person switch to the cobra 39# injectors to be on the safe side?

tj4891 · 05-04-2009, 07:17 PM

Quote:

Originally Posted by SparksMach1

if someone happens to be pushing 355HP and 354TQ to the wheels, are the stock injectors close to being maxed out? and should this person switch to the cobra 39# injectors to be on the safe side?

i like that you said "if someone",

you dont need new injectors

Linumup · 05-04-2009, 09:29 PM

Quote:

Originally Posted by SparksMach1

if someone happens to be pushing 355HP and 354TQ to the wheels, are the stock injectors close to being maxed out? and should this person switch to the cobra 39# injectors to be on the safe side?

Here you go , check for yourself .
http://www.injector.com/injectorselection.php

P.S. Dave would have never let you leave if there was a question with safety
Hes pretty anal !

SparksMach1 · 05-07-2009, 11:48 AM

well according to that calculator you linked to, with my est. crank HP at 408
(adding 15% to the rwhp to compensate for parasitic drivetrain loss)

that means with my injectors at 80% duty cycle they should be pushing 31.8LBs an hour... thanks for the link Bill!! looks like i'm not in need of injectors...

thanks for the info guys!

SparksMach1 · 05-07-2009, 11:49 AM

Quote:

Originally Posted by Mach1Marauder

Not at THAT level.

at what approx HP do you need to replace the stock injectors, if you had to give a rough estimate, like 450 to the wheels?

04-24-2009, 09:16 AM	#1
SparksMach1 Shitin 'n Gitin Join Date: Mar 2007 Location: Pasadena, MD Posts: 1,416	Injector question if someone happens to be pushing 355HP and 354TQ to the wheels, are the stock injectors close to being maxed out? and should this person switch to the cobra 39# injectors to be on the safe side? __________________ 2003 AB Mach -- 442/435 @ the rear ALL MOTOR -Race Gas FRPP BOSS 5.0 block, 10.6:1 compression, Manley H-Beams; Diamond flat-top pistons, P&P heads W/ 5-angle valve job & ARP Head studs, PP upper/lower intake, Comp Stage 2 N/A cams, FR500 springs, valves, and followers, Tube K with coilovers and Bilsteins, Kooks, Stingers, 2.97 T-56 Magnum, 31 Spline Superior axles & Auburn-pro dif, built battle boxes, KB BAP w/ 39lb injectors, and 4:10's.

05-07-2009, 11:48 AM	#4
SparksMach1 Shitin 'n Gitin Join Date: Mar 2007 Location: Pasadena, MD Posts: 1,416	Re: Injector question well according to that calculator you linked to, with my est. crank HP at 408 (adding 15% to the rwhp to compensate for parasitic drivetrain loss) that means with my injectors at 80% duty cycle they should be pushing 31.8LBs an hour... thanks for the link Bill!! looks like i'm not in need of injectors... thanks for the info guys! __________________ 2003 AB Mach -- 442/435 @ the rear ALL MOTOR -Race Gas FRPP BOSS 5.0 block, 10.6:1 compression, Manley H-Beams; Diamond flat-top pistons, P&P heads W/ 5-angle valve job & ARP Head studs, PP upper/lower intake, Comp Stage 2 N/A cams, FR500 springs, valves, and followers, Tube K with coilovers and Bilsteins, Kooks, Stingers, 2.97 T-56 Magnum, 31 Spline Superior axles & Auburn-pro dif, built battle boxes, KB BAP w/ 39lb injectors, and 4:10's.

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