Originally Posted by Rookie
(Post 4677439)
I tried the gaskets and drilled the holes with no luck.
Thats good to know. Actual real world results. Notta-meaning the so called fix not necessarily the fix for this application anyway. I think it would be Rewarding to spend some time r&d for optimal consistency in regards to temps. Never be 100% but... When you mentioned restricters you added made complete sense and cheaper than ball valves but same basic concept. With the water traveling through so fast or NOT fast. (Idle/wot) I can see where temps are all over the board. At idle I would assume the incoming water wouldn't make it necessarily all the way to the rear. |
I've been dumping four corners with -4 lines running out of the front port to the back, then tieing banks together with -8 and dumping off the side.
540's with dart blocks, afr heads, and Brodix hv2000 intakes (they have 4 ports stock) - 700hp NA. I'm using a crossover with bypass, but had to restrict the output flow with a reducer to about .200" for each engine to get enough water temperature. It still dumps quite a stream. Using a tstat with 3 .188 holes in it. Temps are within 5 degrees front and back always. I've run this combo as is for 13 years without any issues. Just preventatively rebuilt the engines (deglazed cylinders, rings, top ends). Very similar burn front to rear. I sent the heads out to Bob Teague to inspect and he confirmed the valves were in excellent shape for having 700 hours on them and running typical ethanol E10 pump gas. |
Originally Posted by getrdunn
(Post 4677422)
So your not dumping and just looping front to rear with good results. I am running crossovers and undecided on the thermostats. If I did I would certainly drill them. Just curious also how you opened up the entry port on your exhaust. I know it takes some trial and error when you step away from factory circulation pump. The stat barely opening at WOT I assume your talking the oil stat? Trying to wrap my hung over head around what exactly you have going on as it sounds like you have consistent temps between the front and rear. In regards to dumping for those who dump is there any advantages to dumping into exhaust vs overboard other than no need for drilling for hull fittings if not already in place. My boating is typically cruise at 3,500 60%.... WOT 35%.... Idle 5%.... give or take. |
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