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Open Track Racing
Low dollar solutions for limp mode.
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<blockquote data-quote="SCT2003" data-source="post: 7250397" data-attributes="member: 48701"><p>Another great thread...I've been spending more and more time in the "Open Track Forums" because these threads are very informative and are basically BS lacking...which IMO is a great combination.</p><p></p><p>Big HP doesn't mean anything if your car is limping around on the street or track because it runs too hot.</p><p></p><p>LOL</p><p></p><p>Carlos, Jimmy, Ashley and Bruce have all given me some great ideas in the past 2 years that I've been modding my Termy...Thanks alot fellas!!!</p><p></p><p>To tell ya the truth, I haven't open tracked the Cobra yet but I do drive for 20+ minute hardcore canyon runs from time to time trying to keep up with or get away from some pretty fast cars. On the street I haven't seen temps over 230 during these spirited runs. I was chasing some cooling problems on the street about 6 months ago but nothing that serious. </p><p></p><p>I have the following cooling mods...</p><p></p><p>Modified Termy hood. (I installed large aluminum vents...just behind the OEM extractors after seeing Carlos' hood at a car meet...thanks for the inspiration Carlos)</p><p></p><p>Modified OEM T-stat. (I drilled 4 holes in that sucker after discussing the benefits with Ashley)</p><p></p><p>I started boxing in the Radiator. (80% done, thanks for the pics Carlos)</p><p></p><p>Stock radiator with 80/20 mix of distilled water/coolant.</p><p></p><p>Larger I/C tank with 80/20 mix.</p><p></p><p>"40 Below" additive in both the Radiator and I/C tank.</p><p></p><p>Dialed in my Fan settings as follows:</p><p></p><p>190 HS ON</p><p>184 HS OFF</p><p>180 LS ON</p><p>174 LS OFF</p><p></p><p></p><p>Car runs great on the street (engine temps of 175-200 when the outside temps are between 60-100) but I want to dial in just a couple more things before I open track her. My IAT's are usually between 75-100 when the car is moving (depending on the outside temps) and doesn't usually see over 130 but that's only in stop and go traffic with 100+ temps. I think I hit 150 IAT's at the dragstrip last year but that was before my cooling mods and I was hot lapping. My last N/A Mustang ran like a charm at the track but that car was pretty simple...large Griffin race radiator, 180* t-stat and hi-flow water pump is all that 347 needed...the Termy on the otherhand has been pretty tricky in the cooling dept. to say the least. Luckily I haven't seen the limp mode problems but I'm doing all these mods in hopes that I'll never see it!!!</p><p></p><p>The last thing I'm working on is the "Deeper/Wider Radiator Air Dam Mod" that Jimmy, Carlos and others have done. (thanks Carlos for the pics) I was looking at some C5 and C6 Vettes today at my friend's shop and they have this exact same mod straight from the factory. Oh yeah and they also have boxed in radiators to boot.</p><p></p><p>My question is, do I need to use the aluminum angle brackets??? Can't I just attach it to the existing air deflector under the radiator support and follow along the curves on the OEM undercarriage??? </p><p></p><p>I may look into the Evans NPG+ but the 80/20 mix with "40 below" seems to work well for me on the street. May be overkill for me since I may just hit an open track event once a year if I'm lucky.</p><p></p><p>Any opinions, comments???</p><p></p><p>I haven't seen the dreaded limp mode yet...and hopefully never do!!!</p><p></p><p>:burnout:</p><p></p><p>Thanks...</p><p></p><p>:beer:</p><p></p><p>Later...Dave</p></blockquote><p></p>
[QUOTE="SCT2003, post: 7250397, member: 48701"] Another great thread...I've been spending more and more time in the "Open Track Forums" because these threads are very informative and are basically BS lacking...which IMO is a great combination. Big HP doesn't mean anything if your car is limping around on the street or track because it runs too hot. LOL Carlos, Jimmy, Ashley and Bruce have all given me some great ideas in the past 2 years that I've been modding my Termy...Thanks alot fellas!!! To tell ya the truth, I haven't open tracked the Cobra yet but I do drive for 20+ minute hardcore canyon runs from time to time trying to keep up with or get away from some pretty fast cars. On the street I haven't seen temps over 230 during these spirited runs. I was chasing some cooling problems on the street about 6 months ago but nothing that serious. I have the following cooling mods... Modified Termy hood. (I installed large aluminum vents...just behind the OEM extractors after seeing Carlos' hood at a car meet...thanks for the inspiration Carlos) Modified OEM T-stat. (I drilled 4 holes in that sucker after discussing the benefits with Ashley) I started boxing in the Radiator. (80% done, thanks for the pics Carlos) Stock radiator with 80/20 mix of distilled water/coolant. Larger I/C tank with 80/20 mix. "40 Below" additive in both the Radiator and I/C tank. Dialed in my Fan settings as follows: 190 HS ON 184 HS OFF 180 LS ON 174 LS OFF Car runs great on the street (engine temps of 175-200 when the outside temps are between 60-100) but I want to dial in just a couple more things before I open track her. My IAT's are usually between 75-100 when the car is moving (depending on the outside temps) and doesn't usually see over 130 but that's only in stop and go traffic with 100+ temps. I think I hit 150 IAT's at the dragstrip last year but that was before my cooling mods and I was hot lapping. My last N/A Mustang ran like a charm at the track but that car was pretty simple...large Griffin race radiator, 180* t-stat and hi-flow water pump is all that 347 needed...the Termy on the otherhand has been pretty tricky in the cooling dept. to say the least. Luckily I haven't seen the limp mode problems but I'm doing all these mods in hopes that I'll never see it!!! The last thing I'm working on is the "Deeper/Wider Radiator Air Dam Mod" that Jimmy, Carlos and others have done. (thanks Carlos for the pics) I was looking at some C5 and C6 Vettes today at my friend's shop and they have this exact same mod straight from the factory. Oh yeah and they also have boxed in radiators to boot. My question is, do I need to use the aluminum angle brackets??? Can't I just attach it to the existing air deflector under the radiator support and follow along the curves on the OEM undercarriage??? I may look into the Evans NPG+ but the 80/20 mix with "40 below" seems to work well for me on the street. May be overkill for me since I may just hit an open track event once a year if I'm lucky. Any opinions, comments??? I haven't seen the dreaded limp mode yet...and hopefully never do!!! :burnout: Thanks... :beer: Later...Dave [/QUOTE]
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