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Dodge Competition and Performance General Dodge Competition and Performance Discussion |
07-29-2018, 08:29 AM
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#1
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Name: iride813
Title: Too Much Time
Status: Not Here
Join Date: Mar 2018
Location: Tennessee
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Posts: 392
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Running drag truck dry. No coolant.
Im currently building a 12v drag truck. and I've been trying to decide weather or not i want to run coolant. I've seen a'lot of people running dry with no rad or anything. Just wondering how long of a window the enigne can run without hurting something or getting to hot.
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07-29-2018, 09:36 AM
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#2
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Name: mfsuper90
Title: 300ft is all I need
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Join Date: Feb 2013
Location: Southeast ohio
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Posts: 769
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When they do this with pulling engines, the clearances are setup different in engine. That’s all I really know. And the ones I’ve seen knock out all the soft plugs and make a hookup to stick a leaf blower in the block to cool it back down quicker.
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’82 300D benz Bosch MW turned up, HX30, W/A Intercooler
MF Super 90 various odds and ends done. Farm stocker
MF 98 3-71 screaming jimmy. Needs N90's. Another farm stock
'14 Ram Anarchy EFI, G56
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07-29-2018, 09:48 AM
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#3
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Name: Highwayman
Title: bored.
Status: Not Here
Join Date: Oct 2014
Location: Wacko
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Posts: 2,087
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The guy that runs contagious diesel has driven his filled block on the street.
Shortbusdriver on here.
I read the thread again, he had a wet head.
__________________
97 Dodge 2500 RCLB ( scrapped)
1973 F250 crew (soon to receive new power train)
COMPD:
Quote:
Originally Posted by rcfreak24
Lolzzzzzz fakin haters
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Last edited by Highwayman; 07-29-2018 at 09:52 AM.
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07-29-2018, 10:17 AM
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#4
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Name: 9 LIVES
Title: Demolition Expert
Status: Not Here
Join Date: Oct 2006
Location: Midland, NC
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Posts: 4,051
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My old pro street truck we took all the freeze plugs out and ran it that way. I would give it about 1.5 hours between runs with leaf blower and fans blowing through the freeze plug holes.
Just had an oil temp gauge and paid close attention to that for when it was cool enough to run again.
__________________
2001 Dodge 3500 Flatbed
1995 Dodge 3500 Flatbed
2021 Ford F-250 7.3
Heads I win, tails you lose....
-Lee-
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07-29-2018, 11:15 AM
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#5
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Name: RacinDuallie
Title: Black Sheep Racing
Status: Not Here
Join Date: Apr 2006
Location: Supporting Northeast Diesel Racing
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Posts: 17,369
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Quote:
Originally Posted by 9 LIVES
My old pro street truck we took all the freeze plugs out and ran it that way. I would give it about 1.5 hours between runs with leaf blower and fans blowing through the freeze plug holes.
Just had an oil temp gauge and paid close attention to that for when it was cool enough to run again.
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Was gonna say oil temp is under scrutiny entire time.
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07-29-2018, 01:22 PM
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#6
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Name: iride813
Title: Too Much Time
Status: Not Here
Join Date: Mar 2018
Location: Tennessee
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Posts: 392
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Quote:
Originally Posted by 9 LIVES
My old pro street truck we took all the freeze plugs out and ran it that way. I would give it about 1.5 hours between runs with leaf blower and fans blowing through the freeze plug holes.
Just had an oil temp gauge and paid close attention to that for when it was cool enough to run again.
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How long were you able to run before oil got to hot? Most of the races around here by the end of the day there alot closer together so i dont know if i should go this route or not. truck will be strictly for drags.
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07-29-2018, 02:37 PM
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#7
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,412
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I ran my old truck once dry, it had a head gasket leaking down the side of the block. I was frustrated with how it was running and wanted another run, drained it dry. Made a run and pulled it back to the trailer, wasn't a problem.
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07-29-2018, 02:42 PM
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#8
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,412
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Have a way to run some water thru the block at the pits to cool down quicker. And I guess you could cycle the engine oil. Dump it out and add fresh last minute, then reuse that oil on the next pass. Be messy, but just thinking, by how quick I could cool mine down then drained it.
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07-29-2018, 03:16 PM
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#9
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Name: Highwayman
Title: bored.
Status: Not Here
Join Date: Oct 2014
Location: Wacko
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Posts: 2,087
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Is cycling cool water through a hot block really a great idea though?
__________________
97 Dodge 2500 RCLB ( scrapped)
1973 F250 crew (soon to receive new power train)
COMPD:
Quote:
Originally Posted by rcfreak24
Lolzzzzzz fakin haters
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07-29-2018, 03:27 PM
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#10
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,412
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I hear ya, I mean after it's been towed to the pits, maybe warm water been in the sun in tanks on the trailer and recycled. Just been thinking on it
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07-29-2018, 03:53 PM
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#11
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,412
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And I realize hitting a hot block with cool water, but just thinking.
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07-29-2018, 04:14 PM
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#12
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Name: rdix7991
Title: Grumpy
Status: Not Here
Join Date: Apr 2009
Location: Tifton (aka Notfit), Georgia
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Posts: 1,051
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How hot do you reckon the block/cylinder walls get compared to a wet block. And how much of that heat transfers to the piston?
__________________
2000 Dodge 2500 SB Ext. cab 4x4. SOLD
1996 12V RCLB 4x4
1989 D250 2wd P-Pumped
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07-29-2018, 04:34 PM
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#13
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Name: jasonc
Title: Too Much Time
Status: Not Here
Join Date: Nov 2009
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Posts: 4,412
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Quote:
Originally Posted by rdix7991
How hot do you reckon the block/cylinder walls get compared to a wet block. And how much of that heat transfers to the piston?
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Yep, that's why I think it's only viable circulating water thru it between rounds.
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07-30-2018, 04:45 AM
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#14
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Name: 9 LIVES
Title: Demolition Expert
Status: Not Here
Join Date: Oct 2006
Location: Midland, NC
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Posts: 4,051
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We started truck in pits and drove it to staging and parked it until it was our turn. No idle time
We would start our truck when the vehicle in front of us would head to the burnout box. Once we did our run the truck was shut down as soon as we turned off the actual track and would get pulled back to pits by ATV.
__________________
2001 Dodge 3500 Flatbed
1995 Dodge 3500 Flatbed
2021 Ford F-250 7.3
Heads I win, tails you lose....
-Lee-
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