fuel/VATS question
Thread Starter
Staging Lane
Joined: Oct 2004
Posts: 77
Likes: 0
fuel/VATS question Guys,
Can I use my stock fuel line for the return gas, and get a 6AN line for the supply? I'm gunna use the stock fuel pickup in the tank for awhile, with a marlbro 255 lph in-line fuel pump, until i can afford a rock valley tank. it'll be fine, i'll just keep the fuel above 1/2 tank LOL.
the motor being installed is a 98 ls1 outta a camaro. Also, do i need to get that vette fpr/filter, cus i'm thinking i do.
http://cgi.ebay.com/ebaymotors/GM-VA...QQcmdZViewItem is this the only module i need to bypass the VATS system, or do i still need to get into the PCM using hptuners?
Once again, thanks for the help guys! Without you, I would be helpless.
Can I use my stock fuel line for the return gas, and get a 6AN line for the supply? I'm gunna use the stock fuel pickup in the tank for awhile, with a marlbro 255 lph in-line fuel pump, until i can afford a rock valley tank. it'll be fine, i'll just keep the fuel above 1/2 tank LOL.
the motor being installed is a 98 ls1 outta a camaro. Also, do i need to get that vette fpr/filter, cus i'm thinking i do.
http://cgi.ebay.com/ebaymotors/GM-VA...QQcmdZViewItem is this the only module i need to bypass the VATS system, or do i still need to get into the PCM using hptuners?
Once again, thanks for the help guys! Without you, I would be helpless.
Teching In
Joined: Dec 2004
Posts: 42
Likes: 0
From: Canada
You can use the stock line for your supply. If you use a vette filter/reg, you can mount it near the tank and simply run a line from it to the tank so that you don't have to run another fuel line all the way to the engine. I have a 68 firebird, and that setup works great on mine. The only thing is, you do have to keep close to half a tank of fuel or you will starve the pump sometimes on hard corners.
there are a few places in the stock fuel system that there will be rubber line.
if you use the stock supply line make sure you replace the factory rubber line with fuel injection line. a lot higher fuel pressures.
in the swaps i've done i always ran a new high pressure line, and used the stock supply line as my return. i've always used inline pumps with stock fuel tanks, never had a problem all way to 1/4 tank.
on VATS
take a look on my website, www.lt1swap.com look under 62 impala and read i have a page on VATS. there is a simple electronic circuit you can build that will generate the signal to the PCM to enable fuel. the circuit worked on a 1993 LT1 ecm, but the signal is similar on the later models too.
if you use the stock supply line make sure you replace the factory rubber line with fuel injection line. a lot higher fuel pressures.
in the swaps i've done i always ran a new high pressure line, and used the stock supply line as my return. i've always used inline pumps with stock fuel tanks, never had a problem all way to 1/4 tank.
on VATS
take a look on my website, www.lt1swap.com look under 62 impala and read i have a page on VATS. there is a simple electronic circuit you can build that will generate the signal to the PCM to enable fuel. the circuit worked on a 1993 LT1 ecm, but the signal is similar on the later models too.
