Do MAF ends really make a difference?
Thread Starter
Instructor
Joined: Jul 2001
Posts: 111
Likes: 0
From: Glendale, CA ,USA
Do MAF ends really make a difference?
Has anyone experienced positive gains with the MAF ends. I have a Donaldson intake now, and I was wondering if the addition of MAF ends will boost up performance. Any comments will be greatly appreciated...
Ray
Ray
Melting Slicks
Joined: Dec 2000
Posts: 2,204
Likes: 5
From: Bethlehem PA
St. Jude Donor '03-'05-'06-'08-'10
Re: Do MAF ends really make a difference? (intel55)
Had them as part of my Halltech system and the car seemed to run strong. Then had a problem with the MAFS itself and replaced it with a stock unit complete with the screen and the car feels stronger (seat of the pants). Will be going to the track later this month to prove this perception. Later...
Joe
Joe
Safety Car
Joined: Feb 2001
Posts: 3,569
Likes: 0
From: Greenville NC
Re: Do MAF ends really make a difference? (Raysvette)
Many 99-00 C5s go lean with the ends...which can actually degrease HP. They seem to work well on 97-98s. Some people have used them susfully on 99-00s....but I wouldn't attempt it unless you have Autotap to check, and a MAF Translator to adjust for them on 99-00s.
Team Owner
Joined: Dec 2000
Posts: 58,783
Likes: 1
From: D*ck ina Box
CI III & IV Vote Ho
CI II, III, IV & V Vet
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St. Jude Donor '03-'04
Re: Do MAF ends really make a difference? (ncvetteman)
Many 99-00 C5s go lean with the ends...which can actually degrease HP. They seem to work well on 97-98s. Some people have used them susfully on 99-00s....but I wouldn't attempt it unless you have Autotap to check, and a MAF Translator to adjust for them on 99-00s.
Mark
Drifting
Joined: Feb 1999
Posts: 1,809
Likes: 0
From: Post Falls ID
Re: Do MAF ends really make a difference? (Mean Green 2000)
I also had ported MAF ends...the only thing I got was knock retard. Switched to the GMS MAF and all my problems were solved (at least those created by aftermarket MAF ends). With MAF ends, unregistered air passes by the MAF sensor creating a lean condition...too lean.
Drifting
Joined: Mar 2001
Posts: 1,471
Likes: 1
From: Pensacola FL
Re: Do MAF ends really make a difference? (Raysvette)
Raysvette- i tried them on my 98 M6. I felt an immediate loss of power. I tried the relearn & drove it for a week. Hated it. It lost that SOTP jolt when i hit 3000rpm. Switched back to the stock ends & ran great. I had the screen removed before i did the MAF ends, & that worked great. I'm told you need the MAFT to make them work right, but I don't have one & don't know anyone who does. Good luck- SCOTT
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Race Director
Joined: Mar 2001
Posts: 19,965
Likes: 6,770
From: Bonneville Salt Flats
Re: Do MAF ends really make a difference? (Raysvette)
The short answer--No. There are no easy, cheap magic bullets to produce "significant" power improvements. Ask those who build competition engines (which I do, as well). If you don't race a lot and are not a very consistent driver, you will never notice the relatively small, high rpm gains that some "easy" mods may produce. And, as noted, some of these mods have down-sides on some cars. The seat-of-the-pants increase that is commonly reported is a common, well documented, psychological phenomenon called "cognitive dissonance," i.e. "I spent all this money it MUST feel different. I KNOW I feel improvement!" Don't believe all the ads. And, no, their claims are not additive, even if accurate. Best of luck!
Race Director
Joined: Mar 2000
Posts: 17,602
Likes: 20
From: Palm City Florida
Re: Do MAF ends really make a difference? (Raysvette)
Don't do it without a MAFT!
I used the BPP Nylon Ends with Airfoil. This coupled with a MAFT gave me the same SOTP that adding the Vortex did :D
The car kicks foot!
I used the BPP Nylon Ends with Airfoil. This coupled with a MAFT gave me the same SOTP that adding the Vortex did :D
The car kicks foot!
