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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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 Posted: Wed Mar 09, 2005 12:30 pm Post subject: |
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| CHEF wrote: | | wouldnt think 6 300cc injs flow enough to suport 300rwkw... |
i would have tought a 52 lb injector??? |
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pyroay
Fordmods Audio and Turbo Expert
Age:28
Posts: 2112
Joined: 14 Dec 2004
Location: Traralgon VIC, Australia
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| Posted: Wed Mar 09, 2005 12:47 pm Post subject: |
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6 x 70hp bosch injectors
Bosch 550hp fuel pump.
The fuel system gets to approx 70% duty cycle at max power with the current fuel pressure
Last edited by pyroay on Wed Mar 09, 2005 1:33 pm, edited 1 time in total |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 12:58 pm Post subject: |
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holy s**t!
does it idle ok? |
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Dansedgli
Fordmods - Getting Side Ways
Age:25
Posts: 2268
Joined: 07 Feb 2005
Location: melbourne VIC, Australia
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| Posted: Wed Mar 09, 2005 1:21 pm Post subject: |
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| I didnt realise injector could go above 100% duty cycle. Mine only reach 60% at full power. |
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pyroay
Fordmods Audio and Turbo Expert
Age:28
Posts: 2112
Joined: 14 Dec 2004
Location: Traralgon VIC, Australia
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| Posted: Wed Mar 09, 2005 1:33 pm Post subject: |
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| Typo - corrected |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 2:05 pm Post subject: |
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hahaha, thats better
does the wolf run staged injection? |
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CHEF
Fordmods - Getting Side Ways
Posts: 1959
Joined: 06 Nov 2004
Location: Under the flight path of incoming packpackers NSW, Australia
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| Posted: Wed Mar 09, 2005 2:18 pm Post subject: |
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yeah wolf does staged.
My 550cc's are at around 60% duty, though I havnt dynoed yet so its only what I read off the wolf display... was about 10ish psi |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 2:22 pm Post subject: |
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ok, im stupid so you gotta explain it too me...
550cc injectors = ??lb injectors
??? |
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CHEF
Fordmods - Getting Side Ways
Posts: 1959
Joined: 06 Nov 2004
Location: Under the flight path of incoming packpackers NSW, Australia
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| Posted: Wed Mar 09, 2005 2:22 pm Post subject: |
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| 50 odd |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 2:25 pm Post subject: |
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| and you make how much power??? |
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4.9 EF Futura
Moderator
Age:27
Posts: 8658
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Location: Adelaide CBD SA, Australia
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| Posted: Wed Mar 09, 2005 2:31 pm Post subject: |
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| SVO XR6 wrote: | ok, im stupid so you gotta explain it too me...
550cc injectors = ??lb injectors
??? |
IIRC
lb/hr x 10.5 = cc/min
52lb/hr = 546cc/min
70lb/hr = 735cc/min |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 2:41 pm Post subject: |
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lol
ok, so i got 199.5cc injectors 
and they aint coping!!
100% @ wot (high revs)  |
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4.9 EF Futura
Moderator
Age:27
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| Posted: Wed Mar 09, 2005 2:49 pm Post subject: |
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| SVO XR6 wrote: |
ok, so i got 199.5cc injectors
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Same here... but im running silly fuel pressure under boost... equivalent of 30lb inj @ 6psi, lol. Only gonna last so long.... |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 3:00 pm Post subject: |
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ajst fuel reg then?
2:1 ? |
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4.9 EF Futura
Moderator
Age:27
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| Posted: Wed Mar 09, 2005 3:07 pm Post subject: |
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I doubt and adj reg would be able to up pressure enough to allow you to get an acceptable duty cycle on n/a...
You dont want the system working that hard all the time.. my pressure gets up around 72psi (from 43ish standard) at full boost but that's only for a few seconds at a time. I havent measured duty cycle but fair to assume it's 100% at full pelt.
Think it's time for you to upgrade.... |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 4:03 pm Post subject: |
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| 4.9 EF Futura wrote: | I doubt and adj reg would be able to up pressure enough to allow you to get an acceptable duty cycle on n/a...
You dont want the system working that hard all the time.. my pressure gets up around 72psi (from 43ish standard) at full boost but that's only for a few seconds at a time. I havent measured duty cycle but fair to assume it's 100% at full pelt.
Think it's time for you to upgrade.... |
i thought so... |
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CHEF
Fordmods - Getting Side Ways
Posts: 1959
Joined: 06 Nov 2004
Location: Under the flight path of incoming packpackers NSW, Australia
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| Posted: Wed Mar 09, 2005 7:56 pm Post subject: |
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Just buy bigger injectors... you'll be suprised how cheap you can get them. My only fuel system mod is the 255lt walbro pump and injectors. Im not a fan of malpassi force fed injectors...
Dunno what power, will dyno soon. |
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SVO XR6
Fordmods - Getting Side Ways
Age:24
Posts: 1680
Joined: 05 Nov 2004
Location: Scaaabz WA, Australia
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| Posted: Wed Mar 09, 2005 8:45 pm Post subject: |
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iunjectors are about $100 each
soo... $600
hmm, thats alotta beer money! |
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sickd
Fordmods - Getting Side Ways
Age:25
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Location: Melbourne VIC, Australia
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| Posted: Wed Mar 09, 2005 9:07 pm Post subject: |
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| MMMM BEER |
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MarkZE
Fordmods Oompa Loompa
Age:32
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Location: Brisbane QLD, Australia
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| Posted: Thu Mar 10, 2005 3:43 pm Post subject: Cylinders 3 & 4 |
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I noticed you had troubles with cylinders 3, 4 and 6. Which inlet manifold were you using?
I grafted an XR6 style dual runner manifold on my first turbo crossflow setup. When I blew the engine I stripped it and found cylinders 3 and 4 had been running lean and pinging and cylinder 6 showed signs of similar problems but not as severe.
I built my own custom manifold with shorter runners (6 inch). The engine is heaps laggier but is more controllable when the power comes on because I don;t have a huge torque spike at 3500 rpm which tries to fry the tyres then drops off by 4800 rpm.
The power comes on later but pulls for longer right through to the rev limit and feels like it wants to keep going even then.
I'd be interested to see the results when you go custom inlet as I personally think it is one of the changes changes I ever made on my engine. |
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