Clemson Sports Car Club

Spent Wrote:Bosch 044 inline with no intank. The new 255 will go in the tank. Should be fun.

Gotcha, yeah should definitely help out.

You running 1200's or 1600's?

Scorke

It's 1000CC with a base fuel pressue of 55psi right now. When the new pump goes in, it will have a base pressure of 70-80psi which means the 1000cc injectors will flow as much as a 1600-1840cc injectors will.

Spent Wrote:It's 1000CC with a base fuel pressue of 55psi right now. When the new pump goes in, it will have a base pressure of 70-80psi which means the 1000cc injectors will flow as much as a 1600-1840cc injectors will.

What were the old duty cycles like?

Expect 25-35 percent more needed.

Scorke

33.33% more needed

speedin Wrote:33.33% more needed

It isn't as exact as that.

Don't ask me why...

Scorke

90% @ 9k 24psi.

This isn't my first time tuning E85 by any means.

30% seems like a number generally thrown around the internet when in reality it's more like 35-40% and usually it's on the higher side under WOT conditions.

Spent Wrote:90% @ 9k 24psi.

This isn't my first time tuning E85 by any means.

30% seems like a number generally thrown around the internet when in reality it's more like 35-40% and usually it's on the higher side under WOT conditions.

Good stuff.

Let us know how it turns out.

Scorke

(10-22-2009 06:47 AM)Spent Wrote: [ -> ]It's 1000CC with a base fuel pressue of 55psi right now. When the new pump goes in, it will have a base pressure of 70-80psi which means the 1000cc injectors will flow as much as a 1600-1840cc injectors will.

Upping the pressure like that should make it flow to the equivalent of about a 1200cc injector.
(Square root of (new pressure / old pressure)) x old flow rate = new flow rate
Hope that helps

(10-26-2009 08:25 PM)squatchy Wrote: [ -> ]

(10-22-2009 06:47 AM)Spent Wrote: [ -> ]It's 1000CC with a base fuel pressue of 55psi right now. When the new pump goes in, it will have a base pressure of 70-80psi which means the 1000cc injectors will flow as much as a 1600-1840cc injectors will.

Upping the pressure like that should make it flow to the equivalent of about a 1200cc injector.
(Square root of (new pressure / old pressure)) x old flow rate = new flow rate
Hope that helps

Man EFI was good :0

Scorke