| [ Total Views: 588 | Total Replies: 7 | Thread Id: 108113 ] |
|
|
 Aussie
Officially Full-On Dubber
Posts: 296
Threads: 43
Registered: September 15th, 2006
Member Is Offline
Location: Gold Coast
Theme: UltimaBB Pro Blue ( Default )
|
| posted on January 9th, 2015 at 08:55 PM |
|
|
Large diameter fuel line + Stock pump
When running a larger diameter fuel line (8.0mm) in combination with a stock mechanical pump, will there be any negative effects on fuel pressure?
|
|
|
modnrod
Fahrvergnugen
Posts: 978
Threads: 50
Registered: March 17th, 2011
Member Is Offline
Location: Midwest, Westoz.
Theme: UltimaBB Pro Blue
Mood: Old School Volksies!
|
| posted on January 9th, 2015 at 09:59 PM |
|
|
From the tank to the pump, no.
From the pump to the carb? Possibly (but I've only ever used 5-6mm, so don't know).
|
|
|
psimitar
Son of Jim - Creator of Good
Posts: 2506
Threads: 148
Registered: January 1st, 2009
Member Is Offline
Location: North East Melbourne, VIC
Theme: UltimaBB Psyche Blue
|
| posted on January 11th, 2015 at 12:07 AM |
|
|
For such a short pipe run to the carb I doubt it's notice unless you're running bigger carbs but then again for bigger carbs most upgrade to an
electric pump for higher flow rates.
madness is in the eye of the beholder  |
|
|
Aussie
Officially Full-On Dubber
Posts: 296
Threads: 43
Registered: September 15th, 2006
Member Is Offline
Location: Gold Coast
Theme: UltimaBB Pro Blue ( Default )
|
| posted on January 11th, 2015 at 08:52 AM |
|
|
| Quote: | Originally
posted by psimitar
For such a short pipe run to the carb I doubt it's notice unless you're running bigger carbs but then again for bigger carbs most upgrade to an
electric pump for higher flow rates.
|
Yep for dual carbs. Will come out the pump on stock line and then flare up to 8.0mm before a pressure regulator (acting as t-piece) and then split off
to each carb. Stock diameter line will be limited to short sections to and from pump, rest will be 8.0mm. Hoping to maximise volume from stock
pump.
Want to stick with a stock pump for reliability/ease rather than elec.
|
|
|
psimitar
Son of Jim - Creator of Good
Posts: 2506
Threads: 148
Registered: January 1st, 2009
Member Is Offline
Location: North East Melbourne, VIC
Theme: UltimaBB Psyche Blue
|
| posted on January 11th, 2015 at 08:25 PM |
|
|
Stock pump can keep up with single venturi twin carbs like the ICT but I'm not sure for bigger twin venturi twin carb set ups.
madness is in the eye of the beholder |
|
|
Joel
Scirocco Rare
Now containing 100% E-Wang
Posts: 9368
Threads: 211
Registered: February 14th, 2006
Member Is Offline
Location: Northern Rivers NSW
Theme: UltimaBB Pro Purple
Mood: Tact Level 0.00
|
| posted on January 11th, 2015 at 08:41 PM |
|
|
A stock pump can keep a pair of IDAs fed.
They usually put out too much rather than not enough.
|
|
|
fish26
A.k.a.: benito
Fahrvergnugen
Posts: 903
Threads: 38
Registered: July 13th, 2007
Member Is Offline
Location: sydney
Theme: UltimaBB Pro Grey
Mood: Ken awesome
|
| posted on January 11th, 2015 at 10:24 PM |
|
|
^^^^^ X 2, the stock fuel delivery system has no problem feeding twin carbs, there are plenty of 12sec IDA cars running stock
bitten by the bug..........several times
|
|
|
Aussie
Officially Full-On Dubber
Posts: 296
Threads: 43
Registered: September 15th, 2006
Member Is Offline
Location: Gold Coast
Theme: UltimaBB Pro Blue ( Default )
|
| posted on January 13th, 2015 at 01:20 PM |
|
|
| Quote: | Originally
posted by Joel
They usually put out too much rather than not enough.
|
That is what I am banking on, hence running a fuel reg to keep a check on pressure at higher RPM. Just hoping to get enough volume through.........
this is not a race motor so do not think there should be a problem.
|
|
|
