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04-10-2006, 07:35 PM
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CC Member
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Join Date: Aug 2004
Location: Connellsville,
PA
Cobra Make, Engine: A&C 351W
Posts: 21
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Not Ranked
351 W Temp
What Temp does your 351W run in your cobra sitting in traffic in the summer?
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04-10-2006, 07:37 PM
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Senior Club Cobra Member
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Join Date: Mar 2001
Location: Southern Connecticut,
CT
Cobra Make, Engine: SPF - 351W, 944 non-turbo
Posts: 2,105
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Not Ranked
SPF, 190 degrees. Holley 750, dual plane, built by HRE on Long Island.
Bob
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04-11-2006, 06:53 AM
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CC Member
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Join Date: Mar 2000
Location: Fairfield, NJ, USA,
NJ
Cobra Make, Engine: A & C, 351W, Tremec 3550. Exiled Member: Club Cranky
Posts: 5,897
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Not Ranked
I was out last week on an interstate and got stuck behind a big wreck for about 45 minutes. Engine stayed around 180 for half hour and then went to 190 for the last 15 minutes but was stable and not climbing.
I've got a newly rebuilt engine in the car, 40 over, afr heads. Afco alum radiator 26 x 19, -16 AN radiator hose, edelbrock alum water pump.
Roscoe
__________________
Roscoe
"Crisis occurs when women and cattle get excited!"....James Thurber
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04-11-2006, 07:23 AM
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CC Member
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Join Date: Aug 2000
Location: Australia Geelong,
VIC
Cobra Make, Engine: Real: Southern Roadcraft, SRV8, 351W stroker
Posts: 852
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Not Ranked
351W temp
My engine sits on 80*C/176*F no matter what the ambient temperature.
I have driven it with an ambient of 45*C/113*F never over heated.
Cheers,
Bryan
__________________
COB-66 Young at heart old fart.
Don't drive faster than your guardian angel can fly.
If it doesn't matter what gear your in you have enough torque.
VK3KDN
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04-11-2006, 08:25 AM
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CC Member
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Join Date: Oct 2003
Location: Saratoga Springs,
UT
Cobra Make, Engine: Shell Valley, 418W, tremec 3550tko, 9" ford rear, 3.0 gear, silver/black
Posts: 408
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Not Ranked
My 351 is now a 418 and in hot weather idling in traffic it has gotten to 205degrees but as soon as the Cobra gets moving it comes back down to around 185!!
__________________
Terry
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04-11-2006, 08:31 AM
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Senior Club Cobra Member
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Join Date: Feb 2006
Location: Peachtree City,
GA
Cobra Make, Engine: BDR - 351 / 385 hp
Posts: 230
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Not Ranked
My 351 "crate" will hold at ~ 190 F. for as long as I've ever had it in traffic, and as soon as I get moving it cools down to ~ 175 F. & the fans shut down.
__________________
Speedy
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04-11-2006, 08:31 AM
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Beam Me Up Scottie
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Join Date: Aug 2004
Location: Squantum (part of Quincy),
MA
Cobra Make, Engine: SPF1049 Titanium w/black stripes, 351W with Trick Flow Heads, Tremec 3550
Posts: 7,592
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Not Ranked
80 C when moving, 95 C if stuck in stop and go traffic
__________________
Warren
'Liberals are maggots upon the life of this planet and need to get off at the next rotation.' (Jamo 2008)
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04-11-2006, 09:19 AM
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Banned
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Join Date: Oct 2003
Location: Yorba Linda,
CA
Cobra Make, Engine: SPF w/392CI stroker
Posts: 3,293
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Not Ranked
My RDI 392 stroker will easily hold 185-190 in light traffic. In heavy traffic it wants to wander around 200-205, but the dual fans kick in and bring it down to the 190-195 level quite quickly. I also tickle the manual override switch on the fans if I know I'm going to be sitting at a long light....I rarely wait for the thermostat to do the job for me. 
-Dean #747 |
04-11-2006, 11:40 AM
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CC Member
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Join Date: Mar 2005
Location: Savannah,
ga
Cobra Make, Engine: Unique, 351W
Posts: 260
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Not Ranked
My car is a little over year old. Temp used to be a steady 190 or so. Recently, I noticed it eases up to 210, backs down to 190. Doesn't make much difference what speed of whether fans are on. I replaced thermostat with the same one (192 degree) and it now it's 185, but still eases up to 210 and back down to 185. Don't know why. Maybe that's the way thermostat is supposed to work. Wondering what temp will be like when weather gets hot.
Walter
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04-11-2006, 12:22 PM
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CC Member
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Join Date: Jan 2004
Location: Tropics as often as possible,
FL
Cobra Make, Engine: ERA #2097 -289FIA . 351W. PSE Torq Thrust 17" Ds. All Black.
Posts: 1,190
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Not Ranked
200 if I have to sit for a while but nothing higher. Run around 180 normally.
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04-11-2006, 01:21 PM
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CC Member
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Join Date: Sep 2004
Location: Bainbridge Island,
WA
Cobra Make, Engine: Unique 289 FIA 351W/392 stroker
Posts: 14
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Not Ranked
210 sitting in traffic with the fans on (16" Spal thin line + two 9" pushers), 180 when moving
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04-11-2006, 02:07 PM
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Senior Club Cobra Member
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Join Date: Jun 1999
Location: Dublin,
CA
Cobra Make, Engine: TBD
Posts: 1,298
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Not Ranked
Hi guys,
I have a 160 degree thermostat and it runs at 185 cruising and swings up to 200 at idle or in traffic....then fans sequence on and off as needed.
Does not matter what the ambient temp is or if the A/C is running ----- This engine is in my Daytona coupe.
TR
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04-11-2006, 10:57 PM
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CC Member
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Join Date: Jul 2005
Location: Carpentersville,IL & Maricopa,,
AZ
Cobra Make, Engine: ACE, 351W, 3550 Tremec, Raging(?) Red W/ White Stripe.
Posts: 2,082
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Not Ranked
No Problemo!
Almost always right at 200F, HO 351W SVO. I switch manual fan on when I start the engine, no matter what the ambient temp. Thinking about replacing the 50% coolant/water with 100% distilled water and a pump lubricant. Was also contemplating installing an oil cooler but probably won't unless the temps go higher.
I talked to several old Hot Rodders (60's era but still involved) and they say not to worry if it stays in that range, which was really my thought before talking to them.
Ralph 
__________________
SPEED WAS HIGH - WEATHER WAS NOT - TIRES WERE WET - X MARKS THE SPOT
Burma Shave 
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04-12-2006, 09:13 AM
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CC Member
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Join Date: Mar 2005
Location: Savannah,
ga
Cobra Make, Engine: Unique, 351W
Posts: 260
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Not Ranked
WaterWetter dropped my temp about 8 degrees. Check out their website at redlineoil.com. It's a pretty good video.
Walter
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