1990 TBI question

smokensteve · 03-06-2007, 10:24 AM

Anyone know what the CFM of a original 1990 K1500 5.7 TBI unit would be??

dstrick32 · 03-06-2007, 06:27 PM

I believe the Model 220 TBI was 390 CFM.

smokensteve · 03-08-2007, 05:01 AM

was just wondering..may buy a holley direct replacement which is 660 CFM, should notice quite a difference..holley says it is built for direct replacement with stock manifild for my truck..

03-06-2007, 10:24 AM	#1
smokensteve Senior Member Join Date: Jan 2007 Location: North Vancouver BC Posts: 86	1990 TBI question Anyone know what the CFM of a original 1990 K1500 5.7 TBI unit would be??

03-06-2007, 06:27 PM	#2
dstrick32 Senior Member Join Date: Dec 2006 Location: Hilliard, FL Posts: 101	I believe the Model 220 TBI was 390 CFM. __________________ 95 Ford F-150XL 5.0 Automatic 92 Chevy Silverado 5.7 Automatic 94 Toyota Ex-Cab 4X4 3.0 Automatic

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03-08-2007, 05:01 AM	#3
smokensteve Senior Member Join Date: Jan 2007 Location: North Vancouver BC Posts: 86	was just wondering..may buy a holley direct replacement which is 660 CFM, should notice quite a difference..holley says it is built for direct replacement with stock manifild for my truck..