FPR relocate question on fuel lines

Last post 02-10-2007 2:14 PM by gchalifo. 11 replies.

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02-09-2007 9:06 AM

gchalifo
Joined on 05-31-2006
oxford MA USA
Posts 2,326

FPR relocate question on fuel lines

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Guys, Regarding the relocation/cleanup of the left side. Some of us (me included) have basicaly "flipped" the FPR fuel line that goes from the FPR to the ??throttle body.
Lets see, one side or line comes in from the reserve tank/fule pump correct, and goes out to ? the front throttle body.

So, I am assuming I can swap out the fuel lines with a longer piece of hose for relocation purposes.

The reason I bring this up is the OEM fuel pipe isn't long enough to get the FPR OFF the top valve cover and it worries me about "HEAT" ??

Anyone have their FPR sitting on the jug head?? should I be concerned? whats the size of those fuel lines?

thanks

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02-09-2007 9:28 AM In reply to

lowriderdog37
Joined on 08-07-2006
Viera, FL
Posts 382

Re: FPR relocate question on fuel lines

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I just went out and got some (I want to say it was) 3/8 hose for fuel injection systems. I switched both sides of the line, and zip-tied along with a piece of rubber to the frame.

Riding: '03 Warrior - 110", valves, cam, lifters, etc

Driving: '85 Mercedes 300CD - 4-speed manual conversion, working on semi-restoration

Wife: 2008 Saab 9-3 Sport-combi Aero

02-09-2007 9:32 AM In reply to

Dragin
Joined on 10-25-2006
Clearwater FL USA
Posts 78

Re: FPR relocate question on fuel lines

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quote:
Originally posted by gchalifo

Guys, Regarding the relocation/cleanup of the left side. Some of us (me included) have basicaly "flipped" the FPR fuel line that goes from the FPR to the ??throttle body.
Lets see, one side or line comes in from the reserve tank/fule pump correct, and goes out to ? the front throttle body.

So, I am assuming I can swap out the fuel lines with a longer piece of hose for relocation purposes.

The reason I bring this up is the OEM fuel pipe isn't long enough to get the FPR OFF the top valve cover and it worries me about "HEAT" ??

Anyone have their FPR sitting on the jug head?? should I be concerned? whats the size of those fuel lines?

thanks

First part is that the FPR is the exit side of the throttle bodies, The actual fuel supply goes in on the other side of the motor. So the line from FPR to reserve tank is basically a low presure line.

Yes you can get a longer piece of line to go from the TB to the FPR. Get 5/16 ID fuel injection line and the appropriate size Fuel injection clamps and make it as long as you need, That will get it off the valve cover no problem. The factory line is a 2 piece line with ribber line on the outside and a plastic line on the inside but with a razor blade you can carefully cut it off.

Hope that helps.

Steve

02-09-2007 10:03 AM In reply to

gchalifo
Joined on 05-31-2006
oxford MA USA
Posts 2,326

Re: FPR relocate question on fuel lines

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SO, tell me, the OEM fuel line is small stuff. Like you said 5/16" ID right....is it a 3/8 OD ?? I'm gonna bring the FPR with me to the store anyway to match it up but just thought I'd ask.
thanks for the input!

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02-09-2007 12:19 PM In reply to

AlanH
Joined on 05-07-2004
Lakeview MI USA
Posts 4,883

Re: FPR relocate question on fuel lines

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As Dragin stated the FPR (Fuel Pressure Regulator) is fed from the fuel manifold block maintaining pressure at the injectors and the return to the aux fuel tank is low pressure Cake

Hose is measured by I.D. and you should use 5/16" Fuel Injection hose because of the pressure. I would also suggest that you use F.I. hose clamps. NAPA carries the hose and clamps. F.I. hose clamps have radiused edges and is a nice touch if available.

Here's a thread to my mod Thanks to JSHRAM & BILLH1943:http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=32523

Also, check my Homepage. There is a folder 'FPR Relocation' that shows the F.I. hose sleeved with a fine spring for added protection!

*** Creator of the SS Laser Front Signal Bracket and Tuning Fork Lower Cowl Grille ***

*** List of Popular and Useful Tags Assembled for Quick Answers & Solution to Problems ***

Filed under: FPR

02-09-2007 2:58 PM In reply to

gchalifo
Joined on 05-31-2006
oxford MA USA
Posts 2,326

Re: FPR relocate question on fuel lines

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So Alan!, your FPR, is it suspended? or zipped up off the valve cover and you accomplished this by running a short length of the 5/16" FI rated hose , (longer than the stock piece) so you could get it up to the frame for zipping into place?

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02-09-2007 4:10 PM In reply to

Dakman
Joined on 02-08-2004
Vancouver WA USA
Posts 294

Re: FPR relocate question on fuel lines

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You can can carefully remove the stock line from the ends and attach the new FI line to them so they clip back on the fittings same as stock. I relocated mine on the other side of the engine mounted to the frame way out of the way.

02 Road Warrior
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02-09-2007 7:51 PM In reply to

gchalifo
Joined on 05-31-2006
oxford MA USA
Posts 2,326

Re: FPR relocate question on fuel lines

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Ah...gotcha guysm, thanks for the input. Need to make a trip to the auto parts store. Will post up after the relocate.

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02-09-2007 7:57 PM In reply to

rhouse
Joined on 06-02-2005
Southaven MS USA
Posts 356

Re: FPR relocate question on fuel lines

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I just did the relocate and was able to use the stock fuel line. I just rotated the ends alittle until I got the FPR up and over the rear valve cover. its a tight fit but it worked fine. Although there is some heat there shouldn't be excessive heat comming off the valve cover, most of the heat is dissapated from the fins. can't see how it would hurt anything while all that other stuff, coils, sensors,(if relocated) is under there....

02-09-2007 9:59 PM In reply to

AlanH
Joined on 05-07-2004
Lakeview MI USA
Posts 4,883

Re: FPR relocate question on fuel lines

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Suggest you revist the thread:http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=32523
Last paragraph:
I tie wrapped the assembly very neatly to the left tubular frame using two of the remaining T&B tie wraps from Churchkey's V-BAK kit. When time permits i'll fabricate a mounting bracket. Enclosing some jpegs of the install and it's still tie wrapped after 8,000 miles [

] but i did revisit the mod and sleeved the high pressure fuel line with a fine spring to protect my investment [^]

quote:
Originally posted by gchalifo

So Alan!, your FPR, is it suspended? or zipped up off the valve cover and you accomplished this by running a short length of the 5/16" FI rated hose , (longer than the stock piece) so you could get it up to the frame for zipping into place?

*** Creator of the SS Laser Front Signal Bracket and Tuning Fork Lower Cowl Grille ***

*** List of Popular and Useful Tags Assembled for Quick Answers & Solution to Problems ***

02-09-2007 11:46 PM In reply to

DD-Num-Num
Joined on 10-01-2005
Yuma AZ USA
Posts 144

Re: FPR relocate question on fuel lines

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What I would like to know is, has any one replaced the FPR with a different one that is smaller & straight?? If so where did they get it and what are the specs?

02-10-2007 2:14 PM In reply to

gchalifo
Joined on 05-31-2006
oxford MA USA
Posts 2,326

Re: FPR relocate question on fuel lines

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thanks Alan!, done!

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