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Re: Overheats
Posted: Mon Jul 20, 2015 10:25 am
by Crazyswede
The 99's had a flow through tank where the 900 went to an expansion tank. Doing the same on a 99 as a 900 might help as well.
Re: Overheats
Posted: Wed Jul 29, 2015 12:08 pm
by Geoff
Crazyswede wrote:The 99's had a flow through tank where the 900 went to an expansion tank. Doing the same on a 99 as a 900 might help as well.
My '76 rally car has this setup (900 radiator, 900 expansion tank, 900 B engine water pump cover). Never had a problem with it getting too hot or cavitating (that I know of) up to 7500 rpm.
Re: Overheats
Posted: Wed Jul 29, 2015 3:25 pm
by Crazyswede
did you ever look at the impeller on your pump to see if any vanes had been removed or trimmed?
Re: Overheats
Posted: Wed Jul 29, 2015 4:16 pm
by Geoff
Nope. 15 years, multiple rallies, 50 rallycrosses, 15 thousand miles, and thousands of RPMs over the stock 'limit': never opened the engine!
Re: Overheats
Posted: Thu Jul 30, 2015 9:57 am
by Crazyswede
Geoff wrote:Nope. 15 years, multiple rallies, 50 rallycrosses, 15 thousand miles, and thousands of RPMs over the stock 'limit': never opened the engine!
would be nice to know if that car has just a stock water pump impeller or if it got trimmed.