LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

SVO Red injectors = 30#?

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Old Jul 24, 2006 | 11:09 AM
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user 647483's Avatar
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SVO Red injectors = 30#?

I'm trying to confirm that I have this right.

I have a set of SVO injectors with red tops.
They came in a box with a sheet stating they were flow matched at 30.38#

I want to make sure that those numbers are correct for the fuel system on a stock Fbody.
(specifically, my 93 Firehawk)

She's running a little rich in open loop
I hope I didn't have the PCM tuned for the wrong size injectors.
Old Jul 24, 2006 | 11:42 AM
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Re: SVO Red injectors = 30#?

This is from another post from Injuneer
Ford/FMS/SVO flowed at 2.7bar (39.15psi)

GM/LT1 flowed at 3.0bar (43.5psi).

Increase in flow running the SVO at 43.5psi:

(43.5 / 39.15)^0.5 = (1.111)^0.5 = 1.054

The SVO flows 5.4% extra when operated at the higher pressure. 30 x 1.054 = 31.62 /HR.
Old Jul 24, 2006 | 12:08 PM
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Re: SVO Red injectors = 30#?

Originally Posted by 96flame
The SVO flows 5.4% extra when operated at the higher pressure. 30 x 1.054 = 31.62 /HR.
So, assuming the red color code is in fact 30# and that the flow sheet is accurate;
These actually flow 32.02#/HR, I may need to make some adjustments.
When I get the .bin or offset from Alvin, I'll see what it was set at.
I told him they were 30# SVOs, I assume he compensated.
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