Minimum injector size required for a 13mm pump?

GOT-Torque

GOT-Torque

is
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Jul 2, 2007
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Is there a certain size of injector that should be required if running a 13mm pump to guarentee you don't run the risk of damaging something (injector tip) or shortening the life of your pump (pump cam lobes)?

I ran a Schied 12mm pump last year and will be running a CDS 13mm pump this year.

Current injector size is a 7x14. Thinking of stepping up to somewhere in the 6x16, 6x18, or 6x20 range.

Will be running a 3" charger. No street use.
 
From Industrial Injection

Not that they are the best Co. to get a answer from but......:hehe:

24Valve
6 Hole X .012 EDM/ Hone Balanced (Requires HOT ROD VP44)
6 Hole X .016 EDM/ Hone Balanced (Requires HOT ROD VP44)
6 Hole X .018 EDM/ Hone Balanced (Requires EXTREME VP44)
6 Hole X .022 EDM/ Hone Balanced (P-Pump Conversion Required)
6 Hole X .024 EDM/ Hone Balanced (P-Pump Conversion Required)

12Valve
5 x .018 (Extreme Race and Pulling Only) (Requires 13mm Dragon Flow Pump)
5 x .020 (Extreme Race and Pulling Only) (Requires 13mm Dragon Flow Pump)
5 x .022 (Extreme Race and Pulling Only) (Requires 13mm Dragon Flow Pump)
5 x .024 (Extreme Race and Pulling Only) (Requires 13mm Dragon Flow Pump)
10 Hole Dual Feed (Extreme Race and Pulling Only) (Requires 14mm Super Dragon Flow Pump)
 
My CDS mack daddy 13mm pump came with a set of injectors from columbus with a set of 5x.017.
 
good enough, I just wanted to be sure I wasn't starting out too small. Money will be spent elsewhere.

Thanks...
 
GOT-Torque said:
Is there a certain size of injector that should be required if running a 13mm pump to guarentee you don't run the risk of damaging something (injector tip) or shortening the life of your pump (pump cam lobes)?

I ran a Schied 12mm pump last year and will be running a CDS 13mm pump this year.

Current injector size is a 7x14. Thinking of stepping up to somewhere in the 6x16, 6x18, or 6x20 range.

Will be running a 3" charger. No street use.
Click to expand...

6x16 are smaller than 7x14 . the 7 holes are going to have better atomization than a six hole and six better than a 5.

7x14=.098
6x16=.096
6x18=.108
6x20=.120
5x18=.090
5x20=.100
 
halerazor said:
6x16 are smaller than 7x14 . the 7 holes are going to have better atomization than a six hole and six better than a 5.

7x14=.098
6x16=.096
6x18=.108
6x20=.120
5x18=.090
5x20=.100
Click to expand...


area is radius squared. Not diameter.

6x.016 is approx 10% larger than a 7x.014.
 
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