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Hello Rver's
I would like to give Class A folks a wise tip on 454 cooling as i notice many have cooling problems.
I no longer have my 87 allegro 454 but it could run hotter than i liked climbing Long grades 205+ at altitude pullung a car and would never give up pulling in 3rd gear. Maybe 35 but never give up. I never want an older 454 running over 200 degrees.
My solution that REALLY works is.....i built a water sprayer system to spray water on the rad. and trans cooler at the push of a button on the dash......It dropped the eng temp by 25 degrees almost instantly. i now had the confidence i needed that i would never overheat again. A 454 installation because of being burned up from overheating would cost 5 to 10 thousand...OR junk your Class A.
Common parts-- yard sprayer nozzels and 4 port manifold mounted in front of the Rad, from wallmart garden. Plastic tubing running back to the Rv main tank , and a Rv water pump, appropriate wiring.
Little investment.....Great insurance.
Popeye766 USN RET.
I would like to give Class A folks a wise tip on 454 cooling as i notice many have cooling problems.
I no longer have my 87 allegro 454 but it could run hotter than i liked climbing Long grades 205+ at altitude pullung a car and would never give up pulling in 3rd gear. Maybe 35 but never give up. I never want an older 454 running over 200 degrees.
My solution that REALLY works is.....i built a water sprayer system to spray water on the rad. and trans cooler at the push of a button on the dash......It dropped the eng temp by 25 degrees almost instantly. i now had the confidence i needed that i would never overheat again. A 454 installation because of being burned up from overheating would cost 5 to 10 thousand...OR junk your Class A.
Common parts-- yard sprayer nozzels and 4 port manifold mounted in front of the Rad, from wallmart garden. Plastic tubing running back to the Rv main tank , and a Rv water pump, appropriate wiring.
Little investment.....Great insurance.
Popeye766 USN RET.
