How high can injection timing go?

9 LIVES

9 LIVES

Demolition Expert
Joined
Oct 29, 2006
Messages
4,051
Just curious how high injection pump timing can go with mechanical injection pumps such as P7100,P3000 & sigma's

I've heard of sled pullers running 40+ degrees of timing. Is there a limit to how high pumps can go?
 
There is a point were it works against you, sometimes too much is just that......nice HX-82.

Jim
 
i would like to up the timin on my 97 too but don't know what to take it to.
 
It's got .120 fuel lines 4k springs 370hp sticks lazer cut del. valves and no fuel plate. what should i do with the timin?
 
booter said:
It's got .120 fuel lines 4k springs 370hp sticks lazer cut del. valves and no fuel plate. what should i do with the timin?
Click to expand...

Try the search feature first at the top of the page. Plenty of help there
 
booter said:
It's got .120 fuel lines 4k springs 370hp sticks lazer cut del. valves and no fuel plate. what should i do with the timin?
Click to expand...

Why in the world .120 lines? im guessing it has a huge 13mm pump ?

This is getting derailed quicker than a no smoke/banks thread:hehe:
 
once you get to 180 degrees out, the engine will actually run backwards, and sometimes even way before that!
 
Depends on the number of crank angle degrees it takes to get the desired fuel into the cylinder at a specified RPM.
 
9 LIVES said:
Why in the world .120 lines? im guessing it has a huge 13mm pump ?

This is getting derailed quicker than a no smoke/banks thread:hehe:
Click to expand...

That's the first thing I thought, then saw 4gsk and thought it made even less sense.
 
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