There's no question the puller works better. With a puller
on my TR250 I can get away with a 1200 cfm fan, using
a pusher I need 2100 cfm. I run a pusher cause I like the
unobstructed access to the crank pulley bolt - useful
for attaching a spanner to spin the motor when doing
valve adjustments. At highway speed she runs plenty cool,
no issue with obstruction.
David Brady
'68 TR250, CD8124L
Randall wrote:
>> In my opinion that is not
>> accurate as the radiator does not care which side the
>> blockage (if there is one) is on.
>>
>
> Thought experiment : take a bucket with a hole in the bottom. Turn it
> upside down and spray it with a hose. Now turn it right side up and spray
> it with a hose again. Which way has more water flowing through the hole ?
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