13 cfm is over the top for a minimum requirement...what would happen if I only had 8 cfm?

Hi Jeffrey! Thank you for your question. The 3M 26778 Performance Spray Gun needs at least 13 cfm in order to spray properly. Lower cfm, paint may sputter and inconsistent spraying.

My compressor is 5.4 scfm at 90 psi. What would the scfm be at 30 psi after the regulator? Or is that even the right way to think about it?

I can't say what your compressor will make at 30 psi. I have a compressor that makes 14 cfm at 90psi and it was barely able to supply enough air for this gun.

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Description

🎨 Spray Smarter, Not Harder — The Future of Flawless Finishes

FEATHERWEIGHT POWER - Up to 50% lighter than metal guns, reducing fatigue during long spray sessions.
MESS FREE INNOVATION - 3M PPS 2.0 cup system keeps paint out of the gun body—no clogs, no downtime, no hassle.
VERSATILE NOZZLE SYSTEM - 15 replaceable HVLP atomizing heads in multiple sizes for flawless finishes on every project.
PRECISION MEETS EFFICIENCY - Maximize paint coverage while minimizing waste with industry-leading transfer efficiency.
BUILT TO LAST DESIGNED FOR COMFORT - Impact-resistant composite with ergonomic trigger ensures durability and all-day ease.

The 3M Performance Spray Gun Starter Kit 26778 combines cutting-edge lightweight composite construction with a patented quick-change nozzle system and the advanced PPS 2.0 paint cup technology. Designed for professional painters, it delivers superior transfer efficiency, adjustable fan patterns, and effortless trigger control, enabling precise application of automotive and industrial coatings while reducing paint waste and cleanup time.

Specifications

Brand	3M
Tank Volume	650 Milliliters
Color	Silver
Recommended Uses For Product	Cars, Trucks, Furniture, Cabinetry, Commerical Vehicles, Marine, Industrial, Aerospace
Material	Stainless Steel
Item Weight	3 Pounds
Product Dimensions	9.37"W x 9"H
Style	Gravity Feed Kit
Power Source	Pneumatic
Included Components	1 Spray Gun Starter Kit
Model Name	3M Performance Spray Gun Starter Kit, 26778, Includes 3M PPS 2.0 Paint Spray Cup System
Hose Length	3 Meters
UPC	051131267787 068060533548
Global Trade Identification Number	00051131267787, 00068060533548
Manufacturer	3M
Item Weight	3 pounds
Item model number	26778
Exterior	Machined
Manufacturer Part Number	26778
Special Features	Gravity Feed, Lightweight, Low Pressure

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