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09-17-2009, 05:44 PM
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#21
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Registered Member
Join Date: Apr 2008
Posts: 6,624
Country: United States
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Coroplast is plastic shaped just like common corrugated cardboard (as used on boxes). Coroplast is commonly used for campaign signs, spam signs, and scam signs. Take some road spam off of the road and you're doing the community a favor as well as getting free material, or ask a poltician after an election if you can have his old signs.
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09-17-2009, 11:15 PM
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#22
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Registered Member
Join Date: Sep 2008
Posts: 345
Country: United States
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Quote:
Originally Posted by goldie
Thanks for the interesting discussion. I think I'll go with my radiator 95% blocked for the winter. That will leave a 1 inch gap at the very top of the core. I saw coroplast mentioned. I'm not familiar with this product. Can some one enlighten me?
Also, just as an FYI. I've heard but have yet to substantiate that my trucks radiatior is the same size as what is used with V8 engines. Is there anyone that can provide further info?
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Ask:
A dealer parts and/or service manager.
Any Radiator shop.
Most any mechanic with initials on his shirt.
1-800-Radiator (ask the manufacturer)
The Vehicle Manual (the part titled: Capacities)
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I use and talk about, but don't sell Amsoil.
Who is shatto?
06 4.7 Tundra replaced a 98 Dakota 3.9.
623,000 miles on original engine and transmission, using Amsoil by-pass filters and lubrication.
+Everybody knows something you don't know.
+Artists prove truth can be in forms you don't understand.
Low-Risk Option Trader
Retired Pro-Hunter featured in; 'African Hunter', by James R. Mellon III. and listed in; Rowland Ward's Records of Big Game.
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10-15-2009, 05:33 AM
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#23
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Registered Member
Join Date: Jul 2009
Posts: 23
Country: United States
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I've been experimenting with this recently. I have a 96 3.8L camaro. These cars have to front grill. all the air that goes into the radiator is scooped up from underneath the nose. I have a good 60 - 70% blocked with cardboard, and it is doing pretty well. I have to turn on my fans every once in a while in town, but it's due to get colder around here very soon. So i'll probably be able to block even more. Also my fans don't turn on till around 250 degrees, so i do it manually.
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10-15-2009, 05:47 AM
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#24
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Registered Member
Join Date: Apr 2008
Posts: 6,624
Country: United States
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Is it normal in that car for them not to come on until 250, or is that a modification?
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10-15-2009, 07:10 AM
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#25
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Site Team / Moderator
Join Date: Sep 2008
Location: Northern Virginia
Posts: 4,736
Country: United States
Location: Northern Virginia
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Quote:
Originally Posted by theholycow
Is it normal in that car for them not to come on until 250, or is that a modification?
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I thought the stock running temp for a GM vehicle was 195, with the fan coming on around 205.
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10-15-2009, 10:38 PM
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#26
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Registered Member
Join Date: Jul 2007
Posts: 244
Country: United States
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Quote:
Originally Posted by theholycow
Is it normal in that car for them not to come on until 250, or is that a modification?
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250 IIRC is past the boiling point of even a 50/50 mix of coolant/water? 205 maybe...
Anyhow, I'd like to run a grille block myself, though I have no a/c parts to put the block between. I thought about maybe running a full grille block over the very front of the grille? It'd probably improve aerodynamics as well.
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'00 Echo - DD
'11 Kia Rio - Wife's DD
'09 Harley Nightster - 48mpg and 1/4 miles in the 12's
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10-16-2009, 03:23 AM
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#27
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Registered Member
Join Date: Apr 2008
Posts: 6,624
Country: United States
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Yes, a full grille block in front of the grille will improve aerodynamics. A radiator block, up close to the radiator and allowing air to flow past the grille and into the engine compartment but not through the radiator, does not (in some cars it may do a little aero improvement). A popular compromise is a grille block directly behind the grille, still preventing air from entering but much less visible. Look for pictures of Jay's to see one example.
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10-16-2009, 04:55 AM
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#28
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Site Team / Moderator
Join Date: Sep 2008
Location: Northern Virginia
Posts: 4,736
Country: United States
Location: Northern Virginia
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Quote:
Originally Posted by theholycow
A popular compromise is a grille block directly behind the grille, still preventing air from entering but much less visible. Look for pictures of Jay's to see one example.
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10-17-2009, 12:56 AM
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#29
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Registered Member
Join Date: Sep 2008
Posts: 345
Country: United States
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I'd have offset the holes to use more of the radiator.
__________________
I use and talk about, but don't sell Amsoil.
Who is shatto?
06 4.7 Tundra replaced a 98 Dakota 3.9.
623,000 miles on original engine and transmission, using Amsoil by-pass filters and lubrication.
+Everybody knows something you don't know.
+Artists prove truth can be in forms you don't understand.
Low-Risk Option Trader
Retired Pro-Hunter featured in; 'African Hunter', by James R. Mellon III. and listed in; Rowland Ward's Records of Big Game.
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10-17-2009, 05:53 AM
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#30
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Site Team / Moderator
Join Date: Sep 2008
Location: Northern Virginia
Posts: 4,736
Country: United States
Location: Northern Virginia
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Shatto: By all means, do what is best for you & your situation. What is pictured works for my vehicle in 100F heat in city traffic, without running the engine too hot, and still have the A/C perform reasonably well. Your personal combination of vehicle, climate, and types of driving you do may require something different.
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