Evans NPG coolant
06-14-2005, 10:06 PM
#1
TECH Resident
Thread Starter
iTrader: (3)
Join Date: Feb 2005
Location: detroit area
Posts: 846
Likes: 0
Received 0 Likes
on
0 Posts
Evans NPG coolant what do you guys think about this stuff.
i am flushing my cooling system out soon and want to replace the dexcol with something "better". at the time i do the coolant swap i will also be putting in a meizer elec. water pump.
what are you guys using?
i am flushing my cooling system out soon and want to replace the dexcol with something "better". at the time i do the coolant swap i will also be putting in a meizer elec. water pump.
what are you guys using?
06-15-2005, 08:40 AM
#4
I'm running it in my 346 with Hypertech 160 thermostat and stock water pump. Car used to run 175-180 degrees with Dexcool, now it runs 195-205, even on the highway. Guess it doesn't transfer heat as well as anti freeze or water, but the boiling point is really high and the Evans is supposed to eliminate hot spots that can cause detonation. It was a $100 experiment for me and the jury's still out on the benefits.
__________________
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
2013 Corvette Grand Sport A6 LME forged 416, Greg Good ported TFS 255 LS3 heads, 222/242 .629"/.604" 121LSA Pat G blower cam, ARH 1 7/8" headers, ESC Novi 1500 Supercharger w/8 rib direct drive conversion, 747rwhp/709rwtq on 93 octane, 801rwhp/735rwtq on race fuel, 10.1 @ 147.25mph 1/4 mile, 174.7mph Half Mile.
2016 Corvette Z51 M7 Magnuson Heartbeat 2300 supercharger, TSP LT headers, Pat G tuned, 667rwhp, 662rwtq, 191mph TX Mile.
2009.5 Pontiac G8 GT 6.0L, A6, AFR 230v2 heads. 506rwhp/442rwtq. 11.413 @ 121.29mph 1/4 mile, 168.7mph TX Mile
2000 Pewter Ram Air Trans Am M6 heads/cam 508 rwhp/445 rwtq SAE, 183.092 TX Mile
2018 Cadillac Escalade 6.2L A10 Pat G tuned.
LS1,LS2,LS3,LS7,LT1 Custom Camshaft Specialist For custom camshaft help press here.
Custom LSX tuning in person or via email press here.
Trending Topics
06-15-2005, 08:02 PM
#9
Evans coolant I have worked with Evans coolant for years. We used the stuff in the eighties in desert racing engines. The stuff is awesome as far as keeping engines together with coolant temps that would normally fry an engine with regular antifreeze water mix.
We ran some desert races with 300 + coolant temp with no damage to the heads or block. Got up to 375 degrees last year in a short course race when my buddy forgot to turn on the radiator fans after a roll over. No cylinder wall scuffing. Put in new rings, bearings and valve springs and it's back racing.
A couple of things with Evans you should be aware of. The cooling system must be completely dry. In other words, no left over water or anti freeze must be in the system. The Evans is used 100%. It is a bit difficult to get the system full because it is more viscous than water with anti freeze. You can run with a seven pound radiator cap which will take a load off the hoses.
Steve
We ran some desert races with 300 + coolant temp with no damage to the heads or block. Got up to 375 degrees last year in a short course race when my buddy forgot to turn on the radiator fans after a roll over. No cylinder wall scuffing. Put in new rings, bearings and valve springs and it's back racing.
A couple of things with Evans you should be aware of. The cooling system must be completely dry. In other words, no left over water or anti freeze must be in the system. The Evans is used 100%. It is a bit difficult to get the system full because it is more viscous than water with anti freeze. You can run with a seven pound radiator cap which will take a load off the hoses.
Steve
Originally Posted by 1999 SS
what do you guys think about this stuff.
i am flushing my cooling system out soon and want to replace the dexcol with something "better". at the time i do the coolant swap i will also be putting in a meizer elec. water pump.
what are you guys using?
i am flushing my cooling system out soon and want to replace the dexcol with something "better". at the time i do the coolant swap i will also be putting in a meizer elec. water pump.
what are you guys using?
__________________
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
06-15-2005, 11:38 PM
#11
TECH Regular
Join Date: Nov 2004
Location: Reno, NV
Posts: 415
Likes: 0
Received 0 Likes
on
0 Posts
Originally Posted by 1999 SS
is there any benefit to running evans over dexcool or antifreeze/water mix?
- It's not H2O, so nothing corrodes.
- It's supposed to last forever...doesn't need changing...ever.
06-15-2005, 11:48 PM
#12
Originally Posted by Steve - Race Eng
I have worked with Evans coolant for years. We used the stuff in the eighties in desert racing engines. The stuff is awesome as far as keeping engines together with coolant temps that would normally fry an engine with regular antifreeze water mix.
We ran some desert races with 300 + coolant temp with no damage to the heads or block. Got up to 375 degrees last year in a short course race when my buddy forgot to turn on the radiator fans after a roll over. No cylinder wall scuffing. Put in new rings, bearings and valve springs and it's back racing.
A couple of things with Evans you should be aware of. The cooling system must be completely dry. In other words, no left over water or anti freeze must be in the system. The Evans is used 100%. It is a bit difficult to get the system full because it is more viscous than water with anti freeze. You can run with a seven pound radiator cap which will take a load off the hoses.
Steve
We ran some desert races with 300 + coolant temp with no damage to the heads or block. Got up to 375 degrees last year in a short course race when my buddy forgot to turn on the radiator fans after a roll over. No cylinder wall scuffing. Put in new rings, bearings and valve springs and it's back racing.
A couple of things with Evans you should be aware of. The cooling system must be completely dry. In other words, no left over water or anti freeze must be in the system. The Evans is used 100%. It is a bit difficult to get the system full because it is more viscous than water with anti freeze. You can run with a seven pound radiator cap which will take a load off the hoses.
Steve
Bret
