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Re: Datsun l18 motor |
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No life (a.k.a. DattoMaster)  
Joined:
2004/7/15 12:10
From Adelaide, Australia
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L20 head will lower the compression a bit, what head is on there now?
Edit: i just read you are runing 8.5psi fuel pressure through DCOE webers, thats way way too much, your blue pump has plenty enough flow, lower your pressure down to about 1.5-2psi. Doesnt it flood?
Posted on: 2006/11/2 10:31
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cheap + fast = disaster fast + reliable = expensive cheap + reliable = stock IPRA Build
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Re: Datsun l18 motor |
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Just popping in
Joined:
2006/11/1 13:13
Group:
Registered Users
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hay there nah when i had the Mechanical fuel pump in it maxed out at 4psi and at full throttle 7000rpm it droped out, also i could only hit 135kph which was in 4th gear and going slightly down hill. now with the holley blue we started at 5psi all ready it sound alot better but still droped out in the end we ran bigger fuel lines 8.5psi and now at full throttle it drops done to only 5psi i can hit 180kph in 4th gear easy and it now pulls to 7600rpm
Posted on: 2006/11/2 11:00
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Re: Datsun l18 motor |
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No life (a.k.a. DattoMaster) 
Joined:
2004/5/28 5:02
From Adelaide, South Australia
Group:
Registered Users
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Quote:
WhiteSedan wrote:
L20 head will lower the compression a bit, what head is on there now?
Edit: i just read you are runing 8.5psi fuel pressure through DCOE webers, thats way way too much, your blue pump has plenty enough flow, lower your pressure down to about 1.5-2psi. Doesnt it flood?
Nah 1.5-2 is to low you want 3-3.5psi.
Posted on: 2006/11/2 13:31
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Re: Datsun l18 motor |
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No life (a.k.a. DattoMaster) 
Joined:
2002/12/2 11:26
From Brisbane
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Registered Users
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Hey Dat720l18... did you just upgrade your fuel lines to the carbs from the mech fuel pump?? or did the complete fuel lines?....
What size did you go to?
Cheers
Posted on: 2006/11/2 13:54
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Re: Datsun l18 motor |
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Just popping in
Joined:
2006/11/1 13:13
Group:
Registered Users
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hey i ran 10mm lines from the tank to the pump then to the reg, the reg has two out puts so i ran one to each weber but used 9mm lines
Posted on: 2006/11/3 10:02
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Re: Datsun l18 motor |
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Home away from home  
Joined:
2003/2/25 7:08
From adelaide
Group:
Registered Users
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hey there i have a turbo l20b in my datsun 1200 sedan, if you want to go turbo maybe sell your engine and just use a stocker, plenty strong enough for good results, i think as long as it dosnt ping you should have no problems with reliability. I went a bit over the top with mine (aftermarket ecu etc) making it very pricey but a well thought out carby setup would be fine. Im making 100rwkw on 8psi with crap tune at the moment using small tdo4 turbo so i think 130kw plus should be achievable on standard l20b. Any questions just ask and search for turbo l20b in forums
Posted on: 2006/11/5 2:45
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1200 restoration project moving slower than it actually is 
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Re: Datsun l18 motor |
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No life (a.k.a. DattoMaster) 
Joined:
2004/5/4 8:32
From Canberra
Group:
Registered Users
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my mate is selling an efi supercharger kit for an L20B, $1200 without ecu
Posted on: 2006/11/5 6:44
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