I always hear so much about the K&Ns for the TPI cars but not for a regular car. I have a 305 HO with the dual snorkle intake system. So is it worth it or is this NAPA Gold air filter good enough?

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84 stock Z-28 V8 305 H.O.
1/8 10.328@66.06
1/4 16.246@80.82 phear!

I would definately go with it, they won't give you 15 hp like they claim, that's only on like 500 hp cars, but they are reusable.

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'86 IROC
T-TOPS, TINTED WINDOWS, BRAKE LIGHT BLACKOUTS
GM GOODWRENCH 350
EDELBROCK TES HEADERS
3" Hooker CatBack w/Aero Chamber muffler
EDELBROCK 600CFM CARB.
KN AIRFILTER
ACCEL HEI DISTRIBUTOR
160* Stat
3:73 Posi
Rebuilt 700R4
B&M Megashifter, 5" Autometer Tach w/shift lite

I agree. The thing I noticed more on my LG4 was the improved throttle response, though.

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Ludicrous Speed GO!!!

Ya, My LO3 benefited ALOT from a K&N, so ya they are good for maybe 5hp, but throttle response is very noticable.

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1989 Trans Am GTA, L98 5.7L TPI, TH700-R4, T-Tops, dual cats, 9-bolt rear, 3.27, Dynomax muffler, K&N
1992 Camaro RS, LO3 5.0L TBI, T-5, T-Tops, 3.08, L69 Dual Snorkel, K&N - Sold

Honda engines ROCK, I have one on my lawn mower but I still have to push it.

Do it absolutely.

JamesC

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And so it shall be done

Don't do it. You'll get more air flow, but you aren't getting the best filter to protect your engine (as good as paper, but not best).

AMSOIL oiled foam filters flow as well as K&N, but catch smaller particles. About the same price.

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82 Berlinetta, orig V-6 car, now w/86 LG4/TH700R4. 2.93 limited slip. 2-1/2" cat-back, ZZ3 intake, Accel HEI SuperCoil. AMSOIL syn lubes bumper-to-bumper. Daily driver, work-in-progress (LG4 CC system w/'87 LB9 block, ZZ3 cam, ported World 305 heads, Hooker 2055 headers, 3" Catco cat & 3" catback, restalled TC, Spohn SFCs).
57 Bel Air, my 1st car. '66 396, 9.7 CR forged TRWs, Weiand Action+, Holley 750VS w/4150 conversion, GK 270 cam, Magnum rockers, Jacobs Omnipack, 1-3/4" Hedders & 3" Warlocks, TH400 w/TCI Sat Night Special conv & Trans-Scat shift kit, MegaShifter, 3.08 8.2" 10-bolt w/Powertrax, AMSOIL syn lubes bumper-to-bumper. Idles smooth @ 600 RPM in D. Best 15.02/95.06 @ 5800' Bandimere (corrected 13.93/102.4 @ sea level).