June 18, 2018, 11:44 PM
No Dragengine temperture with alky carb
what is the lowest you cool it down to between rounds and what to stage at. I always thought never under 170.
June 19, 2018, 06:44 AM
Curly1I like to go into burnout box at 160*, 170 stage and 180 after run and after run I usually do not cool it at all. By the time I am back up for next round usually having to put more heat in it. If the weather is cool I will put a blanket over motor to help keep heat in.
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June 19, 2018, 09:06 AM
CURTIS REEDDepends on the time of year and what round we are in. I have staged from 140 to 160 and haven't really been able to see much difference with my combination. 170 and above will show some movement et wise which for me is hard to get to. I hope to add a water temp to my data recorder to better track this.
It's really hard to compare different engine and fuel system set ups.
Curtis
June 19, 2018, 02:44 PM
Stephensx04Cool down?? Im pulling the lean out on the return road back to warm it up more.
June 19, 2018, 03:04 PM
DaleHquote:
Originally posted by Stephensx04:
Cool down?? Im pulling the lean out on the return road back to warm it up more.
I am still trying to learn alcohol tuning. Is this a result of being really fat on the tuneup?
June 19, 2018, 03:06 PM
Lenny5160quote:
Originally posted by Stephensx04:
Cool down?? Im pulling the lean out on the return road back to warm it up more.
This. I go into the burnout at 170 with the fan on, and can typically stage at the same temperature. Click the fan off when both cars are prestaged, and from then on I'm trying to build heat so I don't need to waste additional fuel before the next pass.
June 19, 2018, 04:21 PM
wideopen231Alky carb should be no different than injection. I have always staged or had brother stage 150 to 160 that way plus or minus 10 is of little to no effect.
As for cool down depends on system,how you build heat and weather.
June 19, 2018, 04:32 PM
Stephensx04quote:
Originally posted by DaleH:
quote:
Originally posted by Stephensx04:
Cool down?? Im pulling the lean out on the return road back to warm it up more.
I am still trying to learn alcohol tuning. Is this a result of being really fat on the tuneup?
Yes a little. It seems to be more consistent on the fat side. Along with a filled block it cools down really fast. I run 180 at the starting line. Even on the hottest days i put the fan on and it will cool down.
June 19, 2018, 06:15 PM
183Nquote:
Originally posted by DaleH:
quote:
Originally posted by Stephensx04:
Cool down?? Im pulling the lean out on the return road back to warm it up more.
I am still trying to learn alcohol tuning. Is this a result of being really fat on the tuneup?
It's all in the idle mixture which is a combination of the blade gap and barrel valve on an injected setup. You can arrive at the same idle RPM different ways, with a lean barrel valve and tight blade gap or with more blade gap and a richer barrel valve.
The richer the idle mixture, the cooler the car will run. Note this has little to nothing to do with the overall tuneup.
With that said, I run our stuff on the lean side. Someone else recently phrased it well, I try to get it to build heat with the fan off but be controlled with the fan. I try to go into the water at 165 and I'm usually 180 on the return road.