fuel upgrade
Team Owner
Joined: Jul 2004
Posts: 28,502
Likes: 3,302
From: Hartford WI
What exactly are you trying to achieve? Do you have a fuel pressure issue from the pump? Why do you want new injectors? Do you have a dyno tune for it?
Racer
Joined: Jun 2014
Posts: 328
Likes: 2
From: Mesa AZ
This may be the wrong subject for this thread however I feel it's important to be aware of. The EPA is considering changing the fuel we presently use by increasing the amount of ethanol that we are presently using. They want to increase it to 15% which would wipe out most of our engines. EPA has no watch dogs and make up rules as they go along. Just wanted everyone to be aware of future upcoming subjects they are addressing!
Tommy
Tommy
Thread Starter
Burning Brakes
Joined: Apr 2005
Posts: 944
Likes: 5
From: danvers il
fuel system upgrade
to start with system has 120,000 miles on it it is beginning to sputter on hard dead stop starts and will sputter with half a tank of fuel when running hard in corners I believe3 first off filter and pump are do for a changed and mite want to do the injector as well
looking to see what can be done to gain a little more hp and response on the track
looking to see what can be done to gain a little more hp and response on the track
Pro
Joined: Oct 2012
Posts: 648
Likes: 6
From: weems va
This may be the wrong subject for this thread however I feel it's important to be aware of. The EPA is considering changing the fuel we presently use by increasing the amount of ethanol that we are presently using. They want to increase it to 15% which would wipe out most of our engines. EPA has no watch dogs and make up rules as they go along. Just wanted everyone to be aware of future upcoming subjects they are addressing!
Tommy
Tommy
Makes a guy want to go out and plant corn! Ive been dealing with corn gas in my boats for years 
Team Owner
Joined: Jul 2004
Posts: 28,502
Likes: 3,302
From: Hartford WI
to start with system has 120,000 miles on it it is beginning to sputter on hard dead stop starts and will sputter with half a tank of fuel when running hard in corners I believe3 first off filter and pump are do for a changed and mite want to do the injector as well
looking to see what can be done to gain a little more hp and response on the track
looking to see what can be done to gain a little more hp and response on the track
Race Director
Joined: Apr 2002
Posts: 10,036
Likes: 346
From: Anaheim CA
You should look at the pulsator on the fuel pump. If it slips or otherwise stops working correctly it can cause the fuel pressure to drop when it gets exposed to air (below half a tank). The fix is to replace the pulsator with a few inches of SUBMERSIBLE fuel line. Standard fuel line is designed to keep the fuel on the inside and the outside will dissolve if it's submerged in fuel. I put a piece of silicone hose on mine and it swelled up to about twice its normal size, so that isn't the answer. This is what you need:
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