How fast have you gone with stock headers?

budgetmaster · 03-14-2003, 01:27 AM

Since header upgrades on mildly modded mustangs have been a topic of late, I am wondering what kind of times people have attained w/ the stock headers?

Shaggy · 03-14-2003, 04:08 PM

Okay the first answer is i have seen low 10's

but those were stock headers mounted upside down with twin turbos on them. In the intrest of giving you the answer that you are looking for though I have built several mustangs that ran high 12's all day long NA with the "stock" motor. What was changed on them was subframe connectors/pulleys/K&N/silencer removed/Gears 4.10's/slicks/minor weight reduction/mild porting of the head mainly grinding out the thermactor bump/timing/offroad h and not caring whether or not your T-5 lives. my opinion is yes the factory ones are little and pinched in places but they are not really the bottle neck they are made out to be.

Dark_5.0 · 03-14-2003, 04:41 PM

Quote:

Originally posted by Shaggy
Okay the first answer is i have seen low 10's but those were stock headers mounted upside down with twin turbos on them. In the intrest of giving you the answer that you are looking for though I have built several mustangs that ran high 12's all day long NA with the "stock" motor. What was changed on them was subframe connectors/pulleys/K&N/silencer removed/Gears 4.10's/slicks/minor weight reduction/mild porting of the head mainly grinding out the thermactor bump/timing/offroad h and not caring whether or not your T-5 lives. my opinion is yes the factory ones are little and pinched in places but they are not really the bottle neck they are made out to be.

I totaly agree. Well said.

squid · 03-17-2003, 10:03 PM

Quote:

Originally posted by Dark_5.0
I totaly agree. Well said.

Right on Brother!

03-14-2003, 01:27 AM	#1
budgetmaster Registered Member Join Date: Jan 2003 Location: Houston, TX Posts: 24	How fast have you gone with stock headers? Since header upgrades on mildly modded mustangs have been a topic of late, I am wondering what kind of times people have attained w/ the stock headers? __________________ Always searching for cheap HP

03-14-2003, 04:08 PM	#2
Shaggy Registered Member Join Date: Feb 1999 Location: Houston,TX Posts: 466	Okay the first answer is i have seen low 10's but those were stock headers mounted upside down with twin turbos on them. In the intrest of giving you the answer that you are looking for though I have built several mustangs that ran high 12's all day long NA with the "stock" motor. What was changed on them was subframe connectors/pulleys/K&N/silencer removed/Gears 4.10's/slicks/minor weight reduction/mild porting of the head mainly grinding out the thermactor bump/timing/offroad h and not caring whether or not your T-5 lives. my opinion is yes the factory ones are little and pinched in places but they are not really the bottle neck they are made out to be. __________________ A good plan, violently executed now, is better than a perfect plan next week. George S. Patton, General (1885-1945)

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