G oog le BadWeB | Login/out | Topics | Search | Custodians | Register | Edit Profile Ads by Motorcycle.comMotorcycle InsuranceMotorcycle PartsMotorcycle Helmets Motorcycle Tires Buell Motorcycles

Author Message   Chasespeed Posted on Tuesday, May 06, 2008 - 02:41 pm:        Wondering if anyone knows the size of the fitting on the fuel pump for FI tubers... I am also trying to figure this out for the Sporty, but, the system uses a quick connect fitting.... I know its some type of schrader style fitting... but, not much more than that.. Any ideas? Chase   Ratbuell Posted on Tuesday, May 06, 2008 - 02:49 pm:        I think it's a schraeder valve inside an AN-4 or AN-6 fitting. Use a valvestem puller to remove the pin from the fitting, then attach your test gauge, then pressurize the system.   Jos51700 Posted on Tuesday, May 06, 2008 - 04:38 pm:        Every Fuel Pressure Test kit I've seen has a matching schrader in the guage and hoses, so no schrader removal is required. I bought a Mac "all American Cars" FPT kit, and it had the right fittings, and was cheaper than buying a lone test guage and hose. Not cheap, mind you, but cheaper.   Chasespeed Posted on Tuesday, May 06, 2008 - 06:58 pm:        I am not worried about testing the pressure....yet.. I wanna tap into it... Chase   Ratbuell Posted on Tuesday, May 06, 2008 - 08:21 pm:        When I tap into my EFI cars (waaay too much boost, I want to keep an eye on fuel pressure at the rail) I pull the pin out of the schraeder. No chance of the pin sticking shut and freaking me out mid-run - 26 psi of boost and a quick drop to 0 on fuel pressure (stuck pin or otherwise) is a great way to spike the heart rate!   Chasespeed Posted on Tuesday, May 06, 2008 - 08:33 pm:        26 psi of boost and a quick drop to 0 on fuel pressure (stuck pin or otherwise) is a great way to spike the heart rate! No doubt... Screwing around with a buddy's turbo car right now... spikes to over 25lbs... then sorts out (4th &5th gear) between 15-20....till the comp either retards timing, or pulls fuel to lower boost(have no idea which one yet). Once I get this sorted out(the bikes), I will be monitoring the pressure..... it uses a walbro pump, so... in the unlikely even I get a drop in pressure, I can put a stronger pump in pretty easy.... Chase

Add Your Message Here Post: -Color- Black Red Green Blue Yellow Purple Orange Cyan Gray White -Font- Arial Courier Symbol Times Verdana -Size- Smallest (-2) Small (-1) Normal Large (+1) Largest (+2) Username: Posting Information: This is a private posting area. Only registered users and custodians may post messages here. Password: Options: Post as "Anonymous" (Valid reason required. Abusers will be exposed. If unsure, ask.) Enable HTML code in message Automatically activate URLs in message Action: