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Old 05-19-2018, 10:51 PM   #91 (permalink)
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All of my P&G is EOC, that’s why my coolant temps are so low... on my old commute it took almost 10mi for coolant temps to top out and level off

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Old 05-19-2018, 10:58 PM   #92 (permalink)
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AH that makes so much more sense now. I couldn't figure out for the life of me how your temperatures were so low after that much travelling unless you were driving in sub freezing temps with no grille blocking lol.

I'd say go for that full grille block and see how she rolls.
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Old 05-26-2018, 06:53 PM   #93 (permalink)
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So Iíve made more progress on the car... I now have a lawn edging air dam screwed to the bumper cover, and have reduced total grille area to a 1.5x29Ē strip at the top of the lower grille area... on two lone roads coolant temps stay around 190F, but on the freeway(where P&G isnít plausible) and in hot weather(85F and up) coolant temps stay near 210F and on big hills climb to the cooling fan switch point(221F)...

Thankfully, I rarely ever use the freeway lol...

I need to load test the car and see how much load it takes to hold 55mph with these new tires and other mods...
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Old 05-26-2018, 08:04 PM   #94 (permalink)
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Black and Green - '98 Honda Civic DX Coupe
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Quote:
Originally Posted by 19bonestock88 View Post
So I’ve made more progress on the car... I now have a lawn edging air dam screwed to the bumper cover, and have reduced total grille area to a 1.5x29” strip at the top of the lower grille area... on two lone roads coolant temps stay around 190F, but on the freeway(where P&G isn’t plausible) and in hot weather(85F and up) coolant temps stay near 210F and on big hills climb to the cooling fan switch point(221F)...

Thankfully, I rarely ever use the freeway lol...

I need to load test the car and see how much load it takes to hold 55mph with these new tires and other mods...
I like the look of the car lot and congratulations on the air dam

I think those coolant temperatures might be considerably too high. I used to have an alarm set on mine to trigger any time the temperature went over 206 degrees. Now I have it set to go off whenever the coolant temperature goes over 200 degrees. I think the kinds of temperatures you're seeing could lead to premature head gasket failure.
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Old 05-26-2018, 08:11 PM   #95 (permalink)
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We’re on the same page there. The fan in the Malibu I had before didn’t kick on until 228F but I think that anything over maybe 205F is too hot... I need to research a manual fan button (and/or variable grille block) to keep coolant temps in check on the freeway... it stayed under 200F until I went up the first hill and stabilized after, but by the third it was heat soaked enough to not drop back down much under 210 for the remainder of my 40 mile trip

The worst I’ve ever overheated an Ecotec was my Redline on the last day I drove it... I had deleted the flap under the radiator that diverts air up into it, but didn’t duct the lower grille to the radiator like on my “Green Line”, and during a sustained high speed run to the hospital in 100F weather, I looked down and noticed coolant temp at 250F... I killed it immediately and coasted to a stop(from 85mph) and waited for it to cool down, and resumed driving, but at a slower pace until I could remount my cooling flap... I think the only reason I continued to drive after such an overheat was that the car had an MLS head gasket and ARP head studs clamping it
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Last edited by 19bonestock88; 05-26-2018 at 08:18 PM..
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Old 06-13-2018, 11:08 AM   #96 (permalink)
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So, with all the time sitting, something was bound to go wrong with my car... the trunklid extension sagged from heat enough that the tape holding it on let go, and it fell off... thankfully I was at work and could pick it up but it’ll need revised all the same...

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