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Re: Let the Hemi swap begin
[Re: feets]
#1577579
01/05/15 02:09 AM
01/05/15 02:09 AM
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
AlexP
OP
I Live Here
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OP
I Live Here
Joined: Sep 2003
Posts: 10,645
Houston, Tx
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Quote:
Is it done yet?
The fuel system is about half done.
It is as follows:
1/2" factory style pickup (I wish I had a 3/8 again just for the time being)
7 psi Holley Mighty Mite pointed at the passengers frame rail on a 45* angle (following the directions)
Feeding into the 1.5 quart accumulator where the passengers side exhaust hanger is. (I'm really lucky this fit so well...)
The GSL 392 picks up from there and pushes into the Corvette fuel regulator/filter.
From there it runs back into the factory style 1/2" fuel lines that I've got running on the passengers rocker panel.
All the main components are in place and bolted down. I tried using regular 3/8" EFI hose from the parts store and its junk. I'm going to go back to my original plan of using the Aeroquip AQP like Wade suggested. It's more durable and less likely to kink around bends.
I'm also going to put a splice in for a fuel pressure sensor port right after the regulator to main line. If I have either pump act up, I will be able to verify there is a problem this way.
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Re: Let the Hemi swap begin
[Re: AlexP]
#1577581
01/05/15 10:37 AM
01/05/15 10:37 AM
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Joined: Nov 2004
Posts: 25,050
Texas
GoodysGotaCuda
5.7L Hemi, 6spd
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5.7L Hemi, 6spd
Joined: Nov 2004
Posts: 25,050
Texas
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Quote:
I'm also going to put a splice in for a fuel pressure sensor port right after the regulator to main line. If I have either pump act up, I will be able to verify there is a problem this way.
Can you setup the ECU to monitor that sensor for you? Either PSI/RPM based rev limit adjustment or at least a warning light.
After Wade's experience, you would want something in place for that..
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Re: Let the Hemi swap begin
[Re: GoodysGotaCuda]
#1577582
01/05/15 12:11 PM
01/05/15 12:11 PM
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Joined: May 2005
Posts: 723
Houston Tx
Uhcoog1
super stock
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super stock
Joined: May 2005
Posts: 723
Houston Tx
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Quote:
Quote:
I'm also going to put a splice in for a fuel pressure sensor port right after the regulator to main line. If I have either pump act up, I will be able to verify there is a problem this way.
Can you setup the ECU to monitor that sensor for you? Either PSI/RPM based rev limit adjustment or at least a warning light.
After Wade's experience, you would want something in place for that..
My experience is probably a little extreme and mostly due to the proximity to the muffler and the extended high load run conditions. But I agree on monitoring the fuel pressure.
I started monitoring / logging fuel pressure a few weeks ago. Initially I had a sensor at the end of the passenger side fuel rail. The readings were very erratic. I installed a second sensor back right up against the corvette filter/regulator. Much more stable fuel pressure reading, and staying right where it should.
Megasquirt does have a check engine light capability. I haven't used it yet. It will monitor whatever you want it to. The more important thing you need to set up is AFR control- it's a table where you designate the allowable deviation from your spec'd AFR table, qualifying event time, etc. That will keep you from hurting anything.
Megasquirt has like 20 ports you can set up for monitoring 0-5v sensors. So you could add a fuel temp sensor as well if you so chose.
-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course
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Re: Let the Hemi swap begin
[Re: Uhcoog1]
#1577583
01/05/15 01:03 PM
01/05/15 01:03 PM
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
AlexP
OP
I Live Here
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OP
I Live Here
Joined: Sep 2003
Posts: 10,645
Houston, Tx
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Quote:
Quote:
Quote:
I'm also going to put a splice in for a fuel pressure sensor port right after the regulator to main line. If I have either pump act up, I will be able to verify there is a problem this way.
Can you setup the ECU to monitor that sensor for you? Either PSI/RPM based rev limit adjustment or at least a warning light.
After Wade's experience, you would want something in place for that..
My experience is probably a little extreme and mostly due to the proximity to the muffler and the extended high load run conditions. But I agree on monitoring the fuel pressure.
I started monitoring / logging fuel pressure a few weeks ago. Initially I had a sensor at the end of the passenger side fuel rail. The readings were very erratic. I installed a second sensor back right up against the corvette filter/regulator. Much more stable fuel pressure reading, and staying right where it should.
Megasquirt does have a check engine light capability. I haven't used it yet. It will monitor whatever you want it to. The more important thing you need to set up is AFR control- it's a table where you designate the allowable deviation from your spec'd AFR table, qualifying event time, etc. That will keep you from hurting anything.
Megasquirt has like 20 ports you can set up for monitoring 0-5v sensors. So you could add a fuel temp sensor as well if you so chose.
Temp makes more sense than another pressure sensor.
I will be taking advantage of the full range of safety nets that MS has to offer.
I'm not sure about the fuel line being teflon lined or not. I know Wade's car has never smelled like fuel any time I've been around it, so its a non issue.
My fuel system is set up to make big power. I've got 1/2" feed and return lines, but for this version of the car I dont need to run the frame mounted return. My return line will be dumping back into the tank right by the sending unit instead of going back up front for no reason. This single GSL392 will support 600 crank, so I'll be fine. If I go with my Paxton SC kit, I'll add a second GSL392 and be good.
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Re: Let the Hemi swap begin
[Re: AlexP]
#1577587
02/05/15 03:47 PM
02/05/15 03:47 PM
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Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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Yeah I wonder about the alternator control, I hope it works. I will leave a spot under the dash for a regulator too just in case.
Mopar to the bone!!!
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Re: Let the Hemi swap begin
[Re: 72Swinger]
#1577588
02/05/15 04:01 PM
02/05/15 04:01 PM
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
AlexP
OP
I Live Here
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OP
I Live Here
Joined: Sep 2003
Posts: 10,645
Houston, Tx
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Quote:
Yeah I wonder about the alternator control, I hope it works. I will leave a spot under the dash for a regulator too just in case.
I dont get a warm and fuzzy feeling about it just yet. I like this external unit a lot more, and the harness it comes with looks sturdy.
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Re: Let the Hemi swap begin
[Re: RylisPro]
#1577590
02/05/15 04:34 PM
02/05/15 04:34 PM
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
AlexP
OP
I Live Here
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OP
I Live Here
Joined: Sep 2003
Posts: 10,645
Houston, Tx
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Quote:
Quote:
I also picked up this for my voltage regulator:
http://store.alternatorparts.com/hd-external-voltage-regulator-conversion-kit.aspx
I've seen that kit as well just found it to be over priced.
Very interested in your results though as I will probably use the same parts
If you talk to the guy it wont seem overpriced. The voltage regulator is of higher quality than the off the shelf units, so that right there is enough of a justification.
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Re: Let the Hemi swap begin
[Re: Uhcoog1]
#1577596
02/16/15 02:11 AM
02/16/15 02:11 AM
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Joined: Sep 2003
Posts: 10,645
Houston, Tx
AlexP
OP
I Live Here
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OP
I Live Here
Joined: Sep 2003
Posts: 10,645
Houston, Tx
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Mild update and very uneventful.
Picked the mounting spot for the moroso battery box. Took it with me to the auto parts store and was in such a rush that I didn't even think to get it out of the truck and see what batteries will fit. Fail.
Picked up a 2000 camaro ls1 ps pump. With reservior from autozone. I need a few bits and pieces to get it on with Emils bracket.
Completely started over on my fuel system. I had it all messed up and some overdone loops to make it fit. I've keep all the same components but re positioned them in better places. Looks cleaner and safer.
I started installing my shifter but I'm missing the 1/2 lever. I'll call hurst tomorrow and get the right one in. I'm very happy that I decided to go all new on the shifter and linkages.
I stripped the weatherstripping off of the trunk and put new replacement from Classic industries in. Such a huge improvement and it may fix my trunk leak.
Things left to do before I can fire:
Run the new battery cable to the trunk and finish the install.
Run wiring to fuel pumps.
Permanently mount ms3 box (no big deal, just didn't feel comfortable with it sitting in the car)
Fill trans with fluid
Get driveshaft balanced and put new joints in.
I've got sway bars, wheels, tires, big brake kit and a dash rebuild looming, but I won't stray from it running first.
Last edited by AlexP; 02/16/15 02:12 AM.
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Re: Let the Hemi swap begin
[Re: GoodysGotaCuda]
#1577598
02/16/15 02:54 AM
02/16/15 02:54 AM
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Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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Alex keep plugging til its making noise. I'm gonna get mine running before fenders are on or the the wiring for lights is done. After they pop, it brings a calm to the process and you relax and everything else is easy.
Mopar to the bone!!!
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