C5 Tech Corvette Tech/Performance: LS1 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

MAF relocation mod??

Thread Tools
 
Search this Thread
 
Old Oct 30, 2009 | 09:18 AM
  #1  
11sec_C5Z51's Avatar
11sec_C5Z51
Thread Starter
Racer
 
Joined: May 2006
Posts: 431
Likes: 0
From: Houston TX
Default MAF relocation mod??

Is it better to place the MAF behind the airbridge in front of the throttle body like the '97-01 C5 and C6 MAF placements or is it better to place it right behind the airbox in front of the airbridge like on the '02-04 C5s?? Any performance differences either way???
Reply
Old Oct 31, 2009 | 01:54 AM
  #2  
striper's Avatar
striper
Le Mans Master
15 Year Member
 
Joined: May 2005
Posts: 6,366
Likes: 249
From: Fort Lauderdale, Florida
Default

All C5's had it in the same location from'97 to '04, in front of the air bridge adjacent to the air cleaner. The C6's had it moved back to just in front of the throttle body. There must be some performance benefit because I have a Callaway Honker cold air intake which when installed on a C5 moves the MAF up to just in front of the throttle body and eliminates the separate air bridge, making it an integral unit with the air cleaner intake unit. The Honker was around long before the C6 came out so apparently GM copied Callaway's design. That's why I say that there must be a performance advantage, especially since the Honker is one of the highest rated horsepower producers. It is also OEM quality and very easy to service.
Reply
Old Oct 31, 2009 | 11:41 AM
  #3  
rebelheart's Avatar
rebelheart
Safety Car
 
Joined: May 2008
Posts: 4,237
Likes: 11
From: Lacombe Louisiana
Default

When I installed the Vararam power duct I moved my maf to in front of the TB.No gains on the track at all but around town the light throttle response is better.
Reply
Old Oct 31, 2009 | 02:14 PM
  #4  
phils C5 vette's Avatar
phils C5 vette
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2003
Posts: 8,003
Likes: 248
From: Tampa Fl
St. Jude Donor '12-'13-'14
Default

I ended up putting mine right in front if the throttle body. I doubt there is any performance gain, but it made sense to me

Reply
Old Oct 31, 2009 | 10:17 PM
  #5  
Indy's Avatar
Indy
Melting Slicks
20 Year Member
 
Joined: May 1999
Posts: 2,365
Likes: 0
From: Vancouver BC
Default

I doubt there will be any difference between the two locations...airflow should be about similar on both ends of the air bridge. Indy.
Reply
Old Nov 1, 2009 | 01:00 AM
  #6  
tlc0706's Avatar
tlc0706
Safety Car
Supporting Lifetime
15 Year Member
 
Joined: Jan 2007
Posts: 4,225
Likes: 0
From: The Great Truth: "There ain't no free lunch"
St. Jude Donor '08-'09-'10-'11
Default

Think logically, the further away from the intake, the smoother the air flow, for a better maf reading. While true for all filters, would be especially beneficial for ones like the dual-air cones and v-ram.
Reply
Old Nov 1, 2009 | 07:29 PM
  #7  
zulatr's Avatar
zulatr
Melting Slicks
15 Year Member
 
Joined: Feb 2005
Posts: 2,087
Likes: 4
From: granville mass
Default

Originally Posted by tlc0706
Think logically, the further away from the intake, the smoother the air flow, for a better maf reading. While true for all filters, would be especially beneficial for ones like the dual-air cones and v-ram.
It goes the other way too...you want even flow both upstream and downstream of any flow measureing device.

You're not going to get good even flow too close to the throttle plate at low throttle angles. Maybe this is why they went to a honeycomb flow straightener on the C6Z's.
Reply
Old Nov 2, 2009 | 12:37 PM
  #8  
rebelheart's Avatar
rebelheart
Safety Car
 
Joined: May 2008
Posts: 4,237
Likes: 11
From: Lacombe Louisiana
Default

I t also seems that the closer to the vacuum leak(air filter) the weaker the signal and slower the response time to changes in throttle opening.
Reply
Corvette Stories

The Best of Corvette for Corvette Enthusiasts

story-0

Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

 Michael S. Palmer
story-1

10 Revolutionary 'Corvette Firsts' Most People Don't Know

 Joe Kucinski
story-2

5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

 Michael S. Palmer
story-3

2027 Corvette vs The World: Every C8 vs Its Closest Competitor

 Joe Kucinski
story-4

10 Most Common Corvette Problems of the Last 20 Years!

 Joe Kucinski
story-5

5 MOST and 5 LEAST Popular Corvette Model Years in History!

 Joe Kucinski
story-6

2027 Corvette Buyer's Guide: Everything You Need to Know!

 Joe Kucinski
story-7

10 Things C8 Corvette Owners Hate (But Won't Tell You)

 Joe Kucinski
story-8

10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

 Brett Foote
story-9

Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

 Joe Kucinski
Old Nov 2, 2009 | 03:12 PM
  #9  
RogerT's Avatar
RogerT
Pro
 
Joined: Jan 2007
Posts: 543
Likes: 1
Default MAF relocation

Vararam Powerduct relocates the MAF to directly in front of the throttlebody. Dynomometer testing showed 4 to 5 more horsepower.

Roger T
Reply
Old Nov 4, 2009 | 05:36 PM
  #10  
phils C5 vette's Avatar
phils C5 vette
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2003
Posts: 8,003
Likes: 248
From: Tampa Fl
St. Jude Donor '12-'13-'14
Default

Originally Posted by Roger T
Vararam Powerduct relocates the MAF to directly in front of the throttlebody. Dynomometer testing showed 4 to 5 more horsepower.

Roger T
you kidding yourself if you think your going to get any notible gain from the relocation.

Air in . Air out is how you gain HP. the relocation of the MAF isnt going to give you anything but maybe better street manners
Reply
Old Nov 4, 2009 | 05:50 PM
  #11  
lucky131969's Avatar
lucky131969
Tech Contributor
15 Year Member
Active Streak: 30 Days
Community Builder
Liked
 
Joined: Jan 2007
Posts: 19,292
Likes: 1,109
From: Dyer, IN
Default

Originally Posted by tlc0706
Think logically, the further away from the intake, the smoother the air flow, for a better maf reading. While true for all filters, would be especially beneficial for ones like the dual-air cones and v-ram.
ok.......
Reply
Old Nov 6, 2009 | 01:14 AM
  #12  
Camjamsdad's Avatar
Camjamsdad
Melting Slicks
10 Year Member
 
Joined: Oct 2007
Posts: 2,798
Likes: 8
From: It's true money can't buy happiness, but it is more comfortable crying in a Corvette than on a bicyc
St. Jude Donor '13
Default

Moving mine with the VR power duct smoothed out my idle. Only difference I noticed.
Reply
Old Nov 6, 2009 | 06:42 AM
  #13  
phils C5 vette's Avatar
phils C5 vette
Le Mans Master
20 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2003
Posts: 8,003
Likes: 248
From: Tampa Fl
St. Jude Donor '12-'13-'14
Default

Originally Posted by Camjamsdad
Moving mine with the VR power duct smoothed out my idle. Only difference I noticed.
Thats about all that I think it will do. Which is way I relocated mine
Reply

Get notified of new replies

To MAF relocation mod??





All times are GMT -4. The time now is 11:02 PM.

story-0
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-1
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-2
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-3
2027 Corvette vs The World: Every C8 vs Its Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-24 16:12:42


VIEW MORE
story-4
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-5
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-6
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-7
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-8
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-9
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE