snorkel or no snorkel
#1
Drifting
Thread Starter
snorkel or no snorkel
hey guys just wondering if the dual snorkel setup on my 80 is worth keeping. i was ripping most of it apart today to try to get my radiator fan off and noticed that it doesnt seem like it can cram a lot of air into the carb and it has a lot of spots where air can leak out. i like the classic chrome covered/exposed air filters but would it effect my performance that much?
#2
Burning Brakes
Member Since: Aug 2006
Location: San Diego California
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Yhe factory dual snorkel was engineered to deliver cool air to the engine. Removing it will somewhat unclutter the engine compartmnt, but almost certainly causew a small loss of power due to the engine sucking in hot air from under the vettes tight hood. The choice is yours.
#3
Team Owner
My 77 L-48 had a single snorkle routed from the radiator support apparently for cool air.
It made the car noticeably faster when I replaced that with an open element.
It made the car noticeably faster when I replaced that with an open element.
#4
Drifting
Thread Starter
hrmm two posts going in different directions... well I have a L-48 with a dual snorkel and i can see how it pumps cool air into my carb but honestly it doesnt seem to be in the best shape on my car. and since its right above the radiator wouldnt it be fairly hot air running in anyways. one of the snorkels is pretty useless since the air has to twist and turn to make it to the filter and there are numerous spots where it can escape... also both snorkels are open all the time... the flaps that normally open and close where removed. im going to try to pop the snorkels off and go with an exposed filter and see how that runs for a while. it sucks since my radiator fan seems to blow hot air right at the filter (which explains the snorkels) but the snorkels dont seem to have a lot of room to grab cold air from under the hood.
#5
If you times slip show an improvement, believe it. Seat of the pants impressions are usually wrong. Ron B.
#6
Instructor
Member Since: Apr 2002
Location: Indianapolis In
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Hi, I have the dual snorkle setup on a 1980. It was originally an L-48. The motor is now a 406. It runs 12.4 with the snorkles in place. The underhood heat is incredible. I like having the cool air intakes for the carb. The open element filter probably looks sexier and it definately makes more noise when you put your foot in it. I like telling people that my motor is a stock 350 with headers. The stock air cleaner and snorkles really promote that image. I'm pretty sure that a well sealed dual snorkle setup is faster than the open element.
#7
Racer
i pulled all of the duct work off my 81 and drilled about 2" holes all around the air cleaner base. i don't have any time slips of before and after and i don't know if i agree with the seat of the pants feel being wrong all the time. but,, i felt a difference immediately. the motor does feel like it's breathing better.
my next step is to fabricate a cold air box/ intake. i definitely agree that cold air is better then hot.
my next step is to fabricate a cold air box/ intake. i definitely agree that cold air is better then hot.
#8
Melting Slicks
Hi, I have the dual snorkle setup on a 1980. It was originally an L-48. The motor is now a 406. It runs 12.4 with the snorkles in place. The underhood heat is incredible. I like having the cool air intakes for the carb. The open element filter probably looks sexier and it definately makes more noise when you put your foot in it. I like telling people that my motor is a stock 350 with headers. The stock air cleaner and snorkles really promote that image. I'm pretty sure that a well sealed dual snorkle setup is faster than the open element.
#9
Instructor
Member Since: Mar 2008
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Gentlemen
Yes the hood is sealed but look around the motor, we all see light !
just open you're hood and slide under. Air is like water it will find it's was in the eng. compartment is not hermetically sealed.
P.S. The O2 level between hot{eng. comp.} and cold {outside}air in august is not all that great.
Yes the hood is sealed but look around the motor, we all see light !
just open you're hood and slide under. Air is like water it will find it's was in the eng. compartment is not hermetically sealed.
P.S. The O2 level between hot{eng. comp.} and cold {outside}air in august is not all that great.