K&N Filters and gas mileage
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Supreme Member
Joined: Dec 2000
Posts: 1,128
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
K&N Filters and gas mileage
Lately I've been getting really bad mileage, mostly due to my around town driving. I replaced my air filter w/ a new Fram one, but I was wondering how much would I get w/ a K&N. I got about 170 miles on a tank filled w/ 10.9 gallons. Thats kind of sad. Oh and I saw it at Kragen for $33, how much have you guys paid for these?
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Joined: Jul 2001
Posts: 4,461
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
K&N will help, but work best when added with other mods, like ram air/cai, cat backs, upgraded ignitions. Sad thing is my wifes 95 blazer currently has more go fast goodies than both my cars: a K&N filter & Dynomax exhaust. did the filter last year. couldn't tell you the full gains as I also did wires & pugs@ same time. highway millage did improve by 1-3 mpg. did exhaust 2 weeks ago. Look up TomPs' full tuneup for tips.
I think AZ has the filter for $29 or so
I think AZ has the filter for $29 or so
Thread Starter
Supreme Member
Joined: Dec 2000
Posts: 1,128
Likes: 0
From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
Well so far all I have is a new AC Delco coil, Flowmaster 80 and 7.5 mm plug wires w/ Delco plugs (plugs and wires recently replaced, Oct 2001) Firebirds have the worst intake design, so its hard to make a good intake w/o completely changing stuff.
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Joined: Jan 2001
Posts: 1,221
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From: Halifax, NS,Canada
Car: 1995 Z28
Engine: LT1
Transmission: Built 4L60E
Axle/Gears: 3.23's - Limited Slip
Project: 85 2.8 bird
Sad thing is my wifes 95 blazer currently has more go fast goodies than both my cars
Sad thing is my wifes 95 blazer currently has more go fast goodies than both my cars
(I just installed XP and love it. I sure do miss all the crashing that win 98 and ME does every 13 seconds)
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