Home
What's new
Latest activity
Authors
Store
Latest reviews
Search products
Forums
New posts
Search forums
What's new
New posts
New listings
New products
New profile posts
Latest activity
Members
Current visitors
New profile posts
Search profile posts
Log in
Register
Cart
Cart
Loading…
What's new
Search
Search
Search titles only
By:
New posts
Search forums
Search titles only
By:
Menu
Log in
Register
Navigation
Install the app
Install
More options
Change style
Contact us
Close Menu
Forums
SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Bullitt5566" data-source="post: 15517404" data-attributes="member: 119066"><p>I'm chasing an idle problem. The car idled fine before the last round of modifications. Then I added long tube headers, camshafts, and upgraded the fuel system to dual FPDMs and dual GT pumps. Since then the car has never idle quite right. (Driving is fine and it makes good power) The idle will drop below 500 and pop back up to the correct idle. Sometimes it will stall if I don't catch it with the throttle. I've band aided it by pulling timing and dialing in the dashpot trims, but it just isn't right. I'm thinking it has to do with one of the three changes above. I'm thinking that if anyone had the problems I'm having with headers or camshafts, they'd stop installing them, so I'm guessing fuel. I've modified the Fuel Pump Voltage table by data logging the corrected values from the ECU, but it didn't seem to help. What other tune related changes need to be made for the Dual FPDM/Dual pump setup? Does anyone have a Fuel Pump Voltage table they would like to share?</p></blockquote><p></p>
[QUOTE="Bullitt5566, post: 15517404, member: 119066"] I'm chasing an idle problem. The car idled fine before the last round of modifications. Then I added long tube headers, camshafts, and upgraded the fuel system to dual FPDMs and dual GT pumps. Since then the car has never idle quite right. (Driving is fine and it makes good power) The idle will drop below 500 and pop back up to the correct idle. Sometimes it will stall if I don't catch it with the throttle. I've band aided it by pulling timing and dialing in the dashpot trims, but it just isn't right. I'm thinking it has to do with one of the three changes above. I'm thinking that if anyone had the problems I'm having with headers or camshafts, they'd stop installing them, so I'm guessing fuel. I've modified the Fuel Pump Voltage table by data logging the corrected values from the ECU, but it didn't seem to help. What other tune related changes need to be made for the Dual FPDM/Dual pump setup? Does anyone have a Fuel Pump Voltage table they would like to share? [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
SVTPerformance's Chain of Restaurants
Tuning À la carte
Idle Issue. Possible Fuel Pump tuning issue.
Top