
June 24th, 2020, 02:11 AM
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Join Date: Jan 2013
Location: Corona, CA
Truck: 1961 Suburban 1962 GMC Utility
Posts: 1,193
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Re: Recommended rpm for 700R to 305 V-6
You mean at idle? Jolly Page states 450rpm for an automatic. You can probably kick it up some like I did to about 550rpm. I have a manual 4 speed.
http://www.6066gmcguy.com/EngineData.html
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1961 GMC Suburban 305A Overdrive
1962 GMC Utility 305D
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