Eh.. dunno. It's been 95 degrees down here and after about 15-20 minutes of driving it's getting up to 195-200 on the autometer gauge... even at highway speed it's around 195... Even though it's not overheating, it's filling up theaftermarket overflow and sometimes overflowing.. I have a mr. gasket thermo rad cap, and it will read 180 and the gauge will read 195. I know the exlporer intakes tend to run hotter than the stock ones. Also if I turn off the car and turn it back on, the temp on the gauge may jump 10 degrees. Could be the sending unit not far down enough or not grounded well ( too much teflon paste on the threads)
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Which thermostat are you running?
True. Just curious as I am comparing it to my setup. I run the same thermostat.
Just thinking if I should make my life easier and go with the 2 row champion. I can't seem to find a 3 row or 2 row with a 1" tubes that is at or below under 2" thick.
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195-200 is not overheating again.....fairly certain the problem is I bought too small an overflow and the stock airdeflector is bending, not to mention the 95+ degree heat and humdity.
You mean the exact same overflow tank that I bought on your recommendation?
I mean your not getting into boost in that nasty ass weather without it creeping . On a a hour and 55 min highway drive it runs about 196-200 in that weather . There is just no heat transfer in high 90s when the feel is over 100.So what you're saying, is that Mikes car is just destined to be a problem child.
yeah noobz- it may be just me
Car wil be fine and the temp starts creeping up after 15 min from 180 to 195. On highway speed sometimes it will come down a bit, in hotter weather stays at 195 ish.
I ordered an aluminum replacement air deflector.
I have a ram air hood with a 1.5" cowl
I've owned several Vortech cars and this is the first one that I'm scratching my head on.
as requested.................
yeah noobz- it may be just me
Car wil be fine and the temp starts creeping up after 15 min from 180 to 195. On highway speed sometimes it will come down a bit, in hotter weather stays at 195 ish.
I ordered an aluminum replacement air deflector.
I have a ram air hood with a 1.5" cowl
I've owned several Vortech cars and this is the first one that I'm scratching my head on.
as requested.................
The last time I chased this problem, it was on a car with a hood very much like that one (if not that very one. Stormin' Normin' hood?).
Is there some way that you can block the ports from the underside, without screwing it all up? All of the air volume that SUPPOSED to be going through your radiator and then under the car is taking the path of least resistance. Guess...
Edit: LOVE the pics BTW.Super sharp.
Very nice looking car Mike! That's a fiberglass hood, right? That does not help with cooling. Steel hoods radiate heat out of the engine compartment. The fiberglass is a very poor material for heat transfer. Any openings in the cowl probably dont even make up for the lack of ability for fiberglass to radiate heat.
Feel a steel hood with a hot engine compared to a fiberglass one. You'll notice how much hotter the steel hood is. That is heat transferred through the metal hood to the outside of the engine compartment. It's one of the reasons Corvettes run hotter, especially the old school ones. Heat all trapped and cant radiate through fiberglass body.
Thanks JOhn for the compliment but I've never heard that about fiberglass vs steel hoods. My thought is the steel absorbs the heat more than the fiberglass, not transfers it better. The hotter steel hood would make the underhood temps higher, wouldn't it?
Have a custom diablo tune tha is very conservative... 10 base timing and we pulled back on the total timing to keep it safe.. I could have left it more agressive and another 60hp.
I've pondered the cowl hood thing before. The back of my 2in cowl would get so hot it would distort my cowl vent. Timing was at 12 degrees...fuel stayed stoich 14.7 ....leaned a bit under full throttle....temp stayed around 190.Steel absorbs the heat under the hood then radiates it outside of the engine compartment. I'm not saying that every car with a fiberglass hood is going to run hotter. But any setup on the borderline of cooling capacity can show differences from little things.
The retarded total timing might add a little heat too.
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