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Forum: Sprint Car Tech Talk (go)
Moderators: BigDog


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Topic: Fuel injection Email this topic to a friend | Subscribe to this TopicReport this Topic to Moderator
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dirtybeer
February 17, 2009 at 01:09:04 AM
Joined: 11/25/2005
Posts: 558
Reply

What would be a good starting point for pills with a 0 pump and 14 nozzles and popoff pressure for hi speed on a 360? We have never got our engine to idle lower than 1700rpm using the low speed or secondary,I have heard this is a common problem,and some block of the secondary outlet,does this help-Thank's in advance,we can use all the help we can get!




sc@kfi
MyWebsite
May 04, 2009 at 02:51:24 PM
Joined: 04/14/2009
Posts: 15
Reply
Reply to:
Posted By: dirtybeer on February 17 2009 at 01:09:04 AM

What would be a good starting point for pills with a 0 pump and 14 nozzles and popoff pressure for hi speed on a 360? We have never got our engine to idle lower than 1700rpm using the low speed or secondary,I have heard this is a common problem,and some block of the secondary outlet,does this help-Thank's in advance,we can use all the help we can get!



Better late than never... right?

Usually, high idle has to do with butterfly synchronization or linkage geometry. You can check that with a Uni-Syn.

For a 360 with a 0 pump and 14 nozzles; we'd recommend starting with a .054" main jet (K-jet) and about 66 psi on the high speed with a .050" jet installed.


gregm@kinsler.com
tel: (248) 362-1145

double duece
January 15, 2010 at 12:24:14 AM
Joined: 02/17/2009
Posts: 201
Reply

Hey Scott,

What is a Uni-Syn?





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