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Fan Belt Length

Posted: Fri Oct 11, 2024 1:50 pm
by ModelTWoods
Anyone running a low head on a 26-27 engine with large 26-27 crank pulley and water outlet mounted fan? What length fan belt do you use? No water pump involved.

Re: Fan Belt Length

Posted: Fri Oct 11, 2024 4:12 pm
by kmatt2
Take a cloth tape or a heavy string and make two measurements around the pulley’s like the fan belt would run. One measurement with the fan adjuster at low point and another measurement with fan adjuster at high point. You will a fan belt that is between those two lengths.

Re: Fan Belt Length

Posted: Fri Oct 11, 2024 5:43 pm
by ModelTWoods
Kevin, I knew I could do that. I was just wondering if anyone had or is doing this and what they found would work.

Re: Fan Belt Length

Posted: Fri Oct 11, 2024 6:58 pm
by jsaylor
I use a 32 inch on my 27 with the water outlet hub an an aftermarket aluminum lower pulley.