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Old 11-30-2012, 10:35 PM   #1 (permalink)
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extending fuel lines

I have my engine out for a rebuild and want to relocate the fuel pump to,somewhere more accessable. Is there a limit on how far the pump can be from the tank or how long the lines from the pump to carbs can be?
Also while I have the motor apart are there any mods to incease performance such as timing advance, shaved head, etc.? It's a 89 650 w slp pipes. It's apart for seals, and hone/new rings. I know on my banshee I have timing advanced 4 degrees & a dune port.
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Old 12-01-2012, 12:03 AM   #2 (permalink)
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i dont believe it matters, as long as fuel can be pumped. also make sure your carb jets match what slp suggests for the pipes. bigger expansion chambers (pipe) = more fuel.
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Old 12-01-2012, 12:24 AM   #3 (permalink)
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It has 310s now up from 260 stock. Might have to drop with the new seals as it had a bad leak on pto side. Those 310s bein a lil fat might've saved my topend.
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Old 12-02-2012, 11:42 AM   #4 (permalink)
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Just a guess but id imagine that the pulse line will work best if its shorter. I relocated my fuel pump tho last week. My original was having a problem and it was mounted under the engine so I didn't want to take the engine out just to replace a pump so I trimmed my airbox a little with a Dremel and mounted my new fuel pump under it


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