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10-29-2017, 11:16 AM
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#21
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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I still like the light spring with a regulator, best of both worlds. You can dial it back when towing and the extra load will get on the chargers earlier, and light loads you can tune it to be more responsive, if that means anything to you anyway.
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10-29-2017, 11:21 AM
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#22
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Ide still like to know at about what % of foot movement the fuel plate starts to take over? It would help making a smooth transition theough the whole fuel curve.
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10-29-2017, 11:29 AM
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#23
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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I don't remember what a "100" plate looks like, never run them. Is it a flat cut plate?
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10-29-2017, 11:34 AM
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#24
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Flat with a little hook on the bottom.
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10-29-2017, 11:47 AM
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#25
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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It's pretty much just a rack stop, I've been running a afc on my drag truck that has an external bolt that can be adjusted without removing the afc for max travel (Bought it from zstroken and then copied it cause it works perfect). My pumps a 13mm and I run it about 650cc's, but have copied it on buddy's street trucks and it works awesome. Are you running a rack plug on the new pump?
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10-29-2017, 11:53 AM
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#26
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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When the pump was benched at 440cc, was that with the fuel plate?
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10-29-2017, 12:32 PM
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#27
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Name: zstroken
Title: For $$$ your name here
Status: Not Here
Join Date: Sep 2006
Location: Western Michigan(by the lake)
Member`s Gallery
Posts: 23,151
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Quote:
Originally Posted by jasonc
It's pretty much just a rack stop, I've been running a afc on my drag truck that has an external bolt that can be adjusted without removing the afc for max travel (Bought it from zstroken and then copied it cause it works perfect). My pumps a 13mm and I run it about 650cc's, but have copied it on buddy's street trucks and it works awesome. Are you running a rack plug on the new pump?
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I had forgotten all about that setup. I was just one of those aha moments when I came up with it. Lol
__________________
2008 4x4 Megacab, 68RFE
97 Dodge gone....
24V P-Pump Mafia member #1(retired)
Thanks to Mumau Diesel, Goerend Transmission, Northeast Diesel Service!
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10-29-2017, 02:54 PM
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#28
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Yes. The 440cc's was with the plate. Not this afc spring.
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10-29-2017, 09:19 PM
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#29
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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I don't run a plate and I have a softer spring in my afc. I like the softer springs better than stiffer ones.
Just my liking tho.
The spring I have in there is a 40 or 45 psi max travel it came in the tst kit
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
Last edited by blackcloudCTD95; 10-29-2017 at 09:21 PM.
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10-30-2017, 12:57 PM
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#30
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Name: SCHMITTY
Title: Not enough time
Status: Not Here
Join Date: Jun 2012
Location: K beach, AK
Member`s Gallery
Posts: 1,183
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Quote:
Originally Posted by jasonc
I still like the light spring with a regulator, best of both worlds. You can dial it back when towing and the extra load will get on the chargers earlier, and light loads you can tune it to be more responsive, if that means anything to you anyway.
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Do you have a pic of the regulator ? Just a needle valve ?
__________________
stock 94
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10-30-2017, 03:36 PM
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#31
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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I bought a small dial regulator off eBay, I don't remember the brand name but was one of higher quality. I tried a needle valve also but it seemed to keep creeping up in pressure.
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10-30-2017, 06:50 PM
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#32
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Are you guys talking about regulators on the afc kinda like afc live? Does the regulator work the same was as afc live?
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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10-30-2017, 06:59 PM
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#33
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Name: malibu795
Title: 2wd numb nut
Status: Not Here
Join Date: Mar 2007
Location: s. charelston ohio
Member`s Gallery
Posts: 6,731
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Following
__________________
adam
99 3500HD LBZ/4l85 C&C semi retired hotshot
07 3500hd LMM RCLB hotshot, GT4088R, ovals
99 FL60 mutt
Quote:
smooth seas never made a skillfull sailor
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10-30-2017, 07:00 PM
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#34
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Yes.
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10-30-2017, 07:12 PM
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#35
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
Member`s Gallery
Posts: 4,412
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Quote:
Originally Posted by blackcloudCTD95
Are you guys talking about regulators on the afc kinda like afc live? Does the regulator work the same was as afc live?
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Yes, just splice into the line feeding the afc with a regulator. Don't get me wrong afc live is packaged sweet and you get the ability to increase the rack travel with a flick of the switch then go back to your previous settings, and also all the trial and error is done with the spring rates. If money's not an object go with afc live, Otherwise on a street truck splice in a good regulator and find the right lighter spring with enough travel.
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10-30-2017, 07:15 PM
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#36
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Name: 79powerwagon
Title: Too Much Time
Status: Not Here
Join Date: Jul 2017
Location: MN
Member`s Gallery
Posts: 328
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Ideally you need a flow control valve and a pressure regulator
Been messing with it on my VE truck to keep smoke down and light the turbo quicker
__________________
1979 Dodge Warlock W150 Ppump 12v/518
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10-30-2017, 07:37 PM
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#37
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Name: zstroken
Title: For $$$ your name here
Status: Not Here
Join Date: Sep 2006
Location: Western Michigan(by the lake)
Member`s Gallery
Posts: 23,151
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Quote:
Originally Posted by jasonc
I bought a small dial regulator off eBay, I don't remember the brand name but was one of higher quality. I tried a needle valve also but it seemed to keep creeping up in pressure.
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. That is what a needle valve does, it just provides a pressure drop if there is flow across the needle valve. So no flow, means no pressure drop.
__________________
2008 4x4 Megacab, 68RFE
97 Dodge gone....
24V P-Pump Mafia member #1(retired)
Thanks to Mumau Diesel, Goerend Transmission, Northeast Diesel Service!
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10-30-2017, 07:41 PM
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#38
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Name: turbo2387
Title: Nipple Fluffer
Status: Not Here
Join Date: Jun 2011
Location: Indiana
Member`s Gallery
Posts: 665
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Quote:
Originally Posted by jasonc
Yes, just splice into the line feeding the afc with a regulator. Don't get me wrong afc live is packaged sweet and you get the ability to increase the rack travel with a flick of the switch then go back to your previous settings, and also all the trial and error is done with the spring rates. If money's not an object go with afc live, Otherwise on a street truck splice in a good regulator and find the right lighter spring with enough travel.
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By doing this you would be able to have a quick fueling AFC that meters higher boost better. The light spring will still move quickly once boost comes on, then slower as boost raises. Which in a single turbo application where you dont tow where too end egts were a concern could be benifitting. Very fast fuel with metered up top.
This wouldnt work well for bottom fuel as you would have to have the knob inside the cab and you would be killing the air flow and then immediatly needing to open the refulator to get the AFC moving
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10-30-2017, 08:36 PM
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#39
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Quote:
Originally Posted by turbo2387
By doing this you would be able to have a quick fueling AFC that meters higher boost better. The light spring will still move quickly once boost comes on, then slower as boost raises. Which in a single turbo application where you dont tow where too end egts were a concern could be benifitting. Very fast fuel with metered up top.
This wouldnt work well for bottom fuel as you would have to have the knob inside the cab and you would be killing the air flow and then immediatly needing to open the refulator to get the AFC moving
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I took your advice I dropped timing down to 19° kept my 5x14's and changed atmospheric turbos I love this thing now. It just keeps pulling. And pulling.
Afc tuning for me was much easier with a single vs twins. I am happy with how I have the fueling set up
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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10-30-2017, 08:45 PM
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#40
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Name: blackcloudCTD95
Title: Too Much Time
Status: Not Here
Join Date: Oct 2007
Location: south Fl
Member`s Gallery
Posts: 754
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Just out a attitude adjuster on it call it done
__________________
98 qclb 5x14, 191's , benched pump to 425cc , 4k , 23* head studs , valve springs , hx35/sxe366 compound kit. built trans
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