Ford Mustang Forum - View Single Post - How much boost on a stock 4.6?
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post #8 of (permalink) Old 08-19-2010
SHELBY GT 350 Member
4.6L Member
Bullitt5339's Avatar
Joined: Mar 2009
Location: St Pauls
Posts: 7,401
I could run 45lbs of boost on my stock engine. At least I could make it show up on the gauge as 45lbs. Put a serious restriction in the intake tract and watch the boost climb on the gauge.

Boost is not a real number to compare horsepower with. Boost is all relative to restriction. As an old school hotrodder, I have serious hearburns with "That's a 9lb pulley", since on my car it could be 5lbs on the gauge, it all depends on the amount of restriction in the system. I also have issues with "Stage 2" cams, but that's another subject altogether.

2001 Dark Highland Green Bullitt
[email protected] naturally aspirated on a bone stock 2V longblock

Under Reconstruction for RS275 Drag Radial Class
Pushrods and Powerglide Coming Soon

If it weren't for physics and law enforcement, I'd be unstoppable.
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