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sandman23 Samba Member
Joined: August 17, 2013 Posts: 13
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Posted: Sun Jan 08, 2017 6:33 pm Post subject: 28 PCI jetting |
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Looking for a little help with baseline jetting for a 1385 with a single 28PCI.
stock single ports
W100 cam
.040" deck
48cc heads
7.5 compression
The dist is a VJR4br25. This motor is in a bus.
Thanks in advance! |
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bug_65 Samba Member
Joined: October 01, 2011 Posts: 14
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Posted: Thu Jan 19, 2017 4:30 am Post subject: Re: 28 PCI jetting |
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with the 28pci it depends what venturi diameter you have as they are different. When i was using single 28pci with custom 24mm venturii had
Idle 60
Main 135
air 180
this is with the same combination as yours except more head work and comp ration of 9.1 so some where in the ball park above should help. |
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jz56oval Samba Member
Joined: September 03, 2007 Posts: 375 Location: bay area
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Posted: Wed Mar 08, 2017 10:05 pm Post subject: Re: 28 PCI jetting |
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bug_65 wrote: |
with the 28pci it depends what venturi diameter you have as they are different. When i was using single 28pci with custom 24mm venturii had
Idle 60
Main 135
air 180
this is with the same combination as yours except more head work and comp ration of 9.1 so some where in the ball park above should help. |
Hi
Was curious on where you live to get an idea of altitude |
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