Forced Induction Supercharger/Turbocharger

putting a walbro 255 in--has a trex inline assistor...

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Old Sep 27, 2005 | 05:29 PM
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glennxx1's Avatar
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putting a walbro 255 in--has a trex inline assistor...

pump, will the inline helper pump hurt my walbro's lph? if so when i take off the trexy would i need to run new line all teh way up sense theres a gap or could i just use some kind of high pressure line to connect the two?
Old Sep 28, 2005 | 06:39 AM
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Re: putting a walbro 255 in--has a trex inline assistor...

any1?
Old Sep 28, 2005 | 04:16 PM
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Re: putting a walbro 255 in--has a trex inline assistor...

You can get high pressure line and fittings from any Autozone, Advance, etc... Make sure you specify what it's for though. Just remove the T-rex and put it on eBay.
Old Sep 28, 2005 | 05:30 PM
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Re: putting a walbro 255 in--has a trex inline assistor...

The TRex will act as a restriction, remove it. Check the length of fuel line on your TRex installation. The Vortech instructions have you loop the fuel line when installing the TRex so you end up having plently of line to delete the pump. Buy a brass barb fitting to reconnect the lines and pre-heat the fitting to 400 degrees prior to insertion to melt it into the stock plastic line.
Old Sep 30, 2005 | 09:28 AM
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Re: putting a walbro 255 in--has a trex inline assistor...

Originally Posted by glennxx1
pump, will the inline helper pump hurt my walbro's lph? if so when i take off the trexy would i need to run new line all teh way up sense theres a gap or could i just use some kind of high pressure line to connect the two?

The flow numbers on the TREX are pretty good. If you are using the FMU or adjustable fuel pressure regular setup I would keep it in there. If you have stock fuel pressure I would remove it. It becomes useful when your trying to get good flow at higher pressures than stock.

If you are in doubt, scan the Wide Open Throttle O2 sensor before and after removal of TREX. Which ever setup gives you the highest O2 sensor reading will also give you the most fuel.

Last edited by 97WS6Pilot; Sep 30, 2005 at 09:35 AM.
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