Boost drops from 14 to 8 lb without any belt slip at all!! - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

T-r3x · 08-21-2015, 06:22 AM

Hello Guys!

I just finished my friend's ZL1, full bolt-ons and overdrive 10" pulley, there's this weird problem that happened, when I go full throttle the boost is 14 lb, suddenly it drops to 8 lb and stays that way, i can really feel the nose of the car dropping after the hard launch due to the lost power, next run it's 8 lb from the begging and I felt the car is very weak, and some times it goes back to 14 and drops again to 8!! What do you think the problem is guys? Is there anything in the tune that drops boost for safety reasons?

Here are a couple of videos to show the problem

http://cdn.top4top.net/d_48db268f050.mov

http://cdn.top4top.net/d_8818d2e63a0.mov

Redlineviper · 08-21-2015, 06:32 AM

Did you pay your boost bill?

T-r3x · 08-21-2015, 06:41 AM

Quote:

Originally Posted by Redlineviper

Did you pay your boost bill?

What's that supposed to be

Stephen12ZL1 · 08-21-2015, 07:36 AM

it is in the tune...hopefully you tuned the car after such a swap. The "overboost" solenoid is bleeding the extra boost after a few seconds.

T-r3x · 08-21-2015, 08:19 AM

Quote:

Originally Posted by Stephen12ZL1

it is in the tune...hopefully you tuned the car after such a swap. The "overboost" solenoid is bleeding the extra boost after a few seconds.

I tuned the car but it looks like my tuner didn't fix this problem, what parameter should he change?

Dega Man · 08-21-2015, 08:58 AM

Quote:

Originally Posted by Stephen12ZL1

it is in the tune...hopefully you tuned the car after such a swap. The "overboost" solenoid is bleeding the extra boost after a few seconds.

+1 Stephen you always give good serious support to the problems and questions people on the forum have. Thanks even though this was not my question.

Trackman · 08-21-2015, 09:10 AM

Quote:

Originally Posted by Dega Man

+1 Stephen you always give good serious support to the problems and questions people on the forum have. Thanks even though this was not my question.

X2

08-21-2015, 06:22 AM	#1
T-r3x Drives: 2010 camaro ss ( LS3 ) Join Date: Apr 2011 Location: Ksa Posts: 150	Boost drops from 14 to 8 lb without any belt slip at all!! Hello Guys! I just finished my friend's ZL1, full bolt-ons and overdrive 10" pulley, there's this weird problem that happened, when I go full throttle the boost is 14 lb, suddenly it drops to 8 lb and stays that way, i can really feel the nose of the car dropping after the hard launch due to the lost power, next run it's 8 lb from the begging and I felt the car is very weak, and some times it goes back to 14 and drops again to 8!! What do you think the problem is guys? Is there anything in the tune that drops boost for safety reasons? Here are a couple of videos to show the problem http://cdn.top4top.net/d_48db268f050.mov http://cdn.top4top.net/d_8818d2e63a0.mov

08-21-2015, 06:32 AM	#2
Redlineviper Drives: 2013 ZL1 Join Date: Jan 2015 Location: Orlando Posts: 936	Did you pay your boost bill? __________________ 2013 A6 ZL1

08-21-2015, 07:36 AM	#4
Stephen12ZL1 Drives: '21 ZLE A10 Join Date: May 2012 Location: Mechanicsville, VA Posts: 6,808	it is in the tune...hopefully you tuned the car after such a swap. The "overboost" solenoid is bleeding the extra boost after a few seconds. __________________ '21 ZLE A10 Wild Cherry PDR 2:00.78 VIR Full 10.68@131.69 1.68 60' '17 ZL1 A10 Mosaic Black PDR/Nav 2:03.08 VIR Full 11.003@129.2 1.75 (sold) '15 Z/28 #325 Black a/c & stereo. 2:10.1 VIR Full (sold) '12 ZL1 A6 Black 10.52@131 1.55 60' 2:13 VIR Full (sold)