C7 Z06 Discussion General Z06 Corvette Discussion, LT4 Corvette Technical Info, Performance Upgrades, Suspension Setup for Street or Track
Sponsored by:
Sponsored by: GEM Motorsports

Looking to install lower pulley-do I need a tune?

Old 03-02-2017, 09:56 PM
  #1  
captainbob
Pro
Thread Starter
 
captainbob's Avatar
 
Member Since: Jan 2012
Location: Marysville Wa.
Posts: 611
Received 59 Likes on 32 Posts
Default Looking to install lower pulley-do I need a tune?

Is a tune a must? Anybody blowing up yet? Thanks in advance for your input guys in advance..
gains in the 1/4 mile??

Last edited by captainbob; 03-02-2017 at 09:57 PM.
Old 03-02-2017, 10:04 PM
  #2  
Higgs Boson
Race Director
 
Higgs Boson's Avatar
 
Member Since: Jul 2007
Location: Texas Hill Country
Posts: 10,763
Received 2,379 Likes on 1,238 Posts

Default

yes you should do a tune any time you perform any mods especially if you have an auto. it's not just about fuel trims any more, these are torque based controllers and if the torque model is off just a little bit your shifts can be clunky and awkward or in some cases, late/no shift issues at WOT.
The following 2 users liked this post by Higgs Boson:
Is2scooby (03-02-2017), Z06NJ (03-02-2017)
Old 03-02-2017, 10:18 PM
  #3  
captainbob
Pro
Thread Starter
 
captainbob's Avatar
 
Member Since: Jan 2012
Location: Marysville Wa.
Posts: 611
Received 59 Likes on 32 Posts
Default

^^^ I'm running 10.70 with cai, on stock tires.. if I could pick up a couple of tenths it would be worth it to me.. just a little worried about blowing up..

Last edited by Steve Garrett; 03-02-2017 at 10:24 PM. Reason: No need to re-quote the previous post, especially if you're the next person posting.
Old 03-03-2017, 05:32 PM
  #4  
Blvdbrawler
Melting Slicks
 
Blvdbrawler's Avatar
 
Member Since: Mar 2006
Location: Texas
Posts: 2,569
Received 226 Likes on 137 Posts

Default

Blowing up? Who has blown up by adding a pulley???

Last edited by Blvdbrawler; 03-03-2017 at 05:32 PM.
Old 03-03-2017, 09:53 PM
  #5  
slacker1201
Lifetime NCM Member #2497
Support Corvetteforum!
 
slacker1201's Avatar
 
Member Since: Jan 2008
Location: Indiana
Posts: 3,366
Received 45 Likes on 40 Posts
Cruise-In 9-10-11-12 Veteran

Default

Originally Posted by Blvdbrawler
Blowing up? Who has blown up by adding a pulley???

Old 03-03-2017, 10:00 PM
  #6  
captainbob
Pro
Thread Starter
 
captainbob's Avatar
 
Member Since: Jan 2012
Location: Marysville Wa.
Posts: 611
Received 59 Likes on 32 Posts
Default

I have.. 2007 gt500 racing.
Old 03-03-2017, 10:17 PM
  #7  
DogTag-C7R
Racer
 
DogTag-C7R's Avatar
 
Member Since: Oct 2015
Location: Allen Tx
Posts: 434
Received 120 Likes on 74 Posts
Default

yes - get a tune -
Old 03-04-2017, 09:25 AM
  #8  
0HorsePowerAddicts
Former Vendor
 
HorsePowerAddicts's Avatar
 
Member Since: Dec 2009
Location: 19804
Posts: 3,353
Received 166 Likes on 118 Posts

Default

Definatly get tuned with the lower pulley install. We use the IW 18% lower.

Here is our shop car with a bolt on setup and 109/93 mix in the tank. Feel free to call us about your setup.

Get notified of new replies

To Looking to install lower pulley-do I need a tune?



Thread Tools
Search this Thread
Quick Reply: Looking to install lower pulley-do I need a tune?



All times are GMT -4. The time now is 04:16 PM.