Air Intake Silencer/Vortex

creef14 said:

it looks like removing them drains power, the BC test shows -6HP and -10 lb-ft TQ, that was only brought back close to stock by adding the CAI....they failed to really complete the test by running it with the silencers and the CAI combined.

But in theory if you leave them in and add the CAI that test suggest you would be +5HP and +5 lb-ft TQ; add in a tune and you are probably getting even more out of it.

either way...my original question still stands; does anyone have a set the pulled out of their Expy that they’re willing to part way with for a reasonable price?

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rjdelp7 said:

Early 90's 'Fox Body' Mustangs have a air silencer. Just about everyone took them off. I don't remember a huge gain. It did sounded cool, when you stomped on it. A slight timing advance( I think 2-3 degrees), really woke it up also. The rumor was the original 5.0l HO, was under rated and really 300+hp.

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99WhiteC5Coupe said:

Anyone here remember guys who would turn their air cleaner lid upside down on the V-8 engines in the 1950’s, 1960’s and 1970’s, to make the engine sound louder?

Back then, some guys swore the lid flip allowed more air to the engine and increased power.

Still going on......

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99WhiteC5Coupe said:

Anyone here remember guys who would turn their air cleaner lid upside down on the V-8 engines in the 1950’s, 1960’s and 1970’s, to make the engine sound louder?

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Boostedbus said:

Absolutely I was one of those guys but I did it in the 80’s. Not on my Fastback Mustang then ( had a chrome lid open element housing style filter on it) but on my grandfathers 472 Coupe DeVille which had a cast iron lid. The lid weighed a ton. I guess the cast iron was supposed to help silent down the Quadra jet because who wanted to hear a Quadra jet in a Caddy? Evidently this 17 year old kid at the time did. Okay I’m guilty.... I still wouldn’t mind hearing that howling Quadra jet in that old Caddy roar.

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Boostedbus said:

Absolutely I was one of those guys but I did it in the 80’s. Not on my Fastback Mustang then ( had a chrome lid open element housing style filter on it) but on my grandfathers 472 Coupe DeVille which had a cast iron lid. The lid weighed a ton. I guess the cast iron was supposed to help silent down the Quadra jet because who wanted to hear a Quadra jet in a Caddy? Evidently this 17 year old kid at the time did. Okay I’m guilty.... I still wouldn’t mind hearing that howling Quadra jet in that old Caddy roar.

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99WhiteC5Coupe said:

When you floored the accelerator, and opened the secondary barrels, a solenoid operated plate opened at the rear of the hood (near the windshield), to draw extra air into the engine.

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