All Posts (Scott7)
Re: Hot days of Summer |
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Senior Guru
 
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2009/12/31 16:46 From Aurora, CO
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Hi Andy, Thanks for clearing that up for me. Yes I live the in the city that had the tragic event of the shooting at the Batman movie. Not a good thing, but it occurred on the other side of Aurora from where I live, about 20+ miles. This was definitely bad and I'm not sure what to say other than damn - why here and why again!!!! This is a rhetorical question.
Posted on: 2012/7/24 16:05
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Hi, I guess I don't understand the "check the OP's Scott7 address" comment from Flyboy. Could you tell me what this is referring to? Thx, Scott
Posted on: 2012/7/24 13:36
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Re: How many C4 owners are seriously considering a C5 or C6? |
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Senior Guru
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2009/12/31 16:46 From Aurora, CO
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Not a heavy poster but I'll stay with my C4 for quite a while. I'd say its very special to me after all it was a birthday present from my lady!! Scott
Posted on: 2012/7/8 14:45
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This is a bad one |
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Joined:
2009/12/31 16:46 From Aurora, CO
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169
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People do the craziest things http://www.corvetteonline.com/news/wr ... es-control-of-c5-corvette
Posted on: 2012/7/6 16:21
Edited by TommyT-Bone on 2012/7/6 19:46:59
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
169
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Hi Wayne, thanks for your observations. These heat issues can be a problem. I'm moving up to a 2360cfm fan and hoping I can see the temps you are, 210-215 would be a significant improvement from where I'm at now. Its interesting that you had the same weep hole leak in the water pump that I started with. Its the only place we could find any sign of a cooling system leak earlier this year. Replaced the pump but based on what you experienced I'll be keeping an extra eye on things up there. Scott
Posted on: 2012/7/6 14:53
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
169
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Yea, the intercooler, its not helping the air flow. The discussions on high temps from C4's are quite extensive. I was considering the B4P dual fan option but the installation as suggested in this link sounds challanging, particularly installing a new fan switch. Not sure I want to go there but . . . Here's the link http://tech.corvettecentral.com/2011/ ... an-control-modifications/. I'm going to talk to ATI ProCharger and see what they have to say. I've seen a lot of discussions on the effectiveness of the intercooler both pro and con. I've spoken with Mike at Howe Radiators and he is suggesting staying with a 16 lb radiator cap. Moving up to a higher pressure cap is only going to compound the overheating. Not interested in going thermonuclear and having a meltdown. I can pass light through the radiator and there isn't any swelling of the lines at the outlets and no crushed fins. Cleaned out the space between the condenser and the radiator, as I mentioned earlier there was very little there to begin with. My quest for heat releaf continues. C4's run hot and I understand that but. . . . 240/260 not acceptable!
Posted on: 2012/7/5 14:33
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Thank you, I'll get that ordered and install. Also noticed I was wrong on the radiator being a Dewitt, actually its a Howe and interestingly the Howe label asks for a 22 to 24 lb radiator cap and the cap that is on it is a 16 lb'er. This could be a contributing factor.
Posted on: 2012/7/2 22:32
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
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Yes the shroud is there and the supercharger intercooler pipes are all over it. I've removed the fiberglass top off the radiator so I could clearly see what was going on between the condenser and the radiator - very little debris nothing like Matatk's pic. Blew it out anyway just to be sure. Yes in the area of coolant additives added BG Super Cool. Maybe I should go for two cans rather than one. Looks like I'm still chasing it but not sure where to turn. I could upgrade to the 2360cmf single radiator fan or consider the dual fan B4P option.
Posted on: 2012/7/2 22:00
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Re: Hot days of Summer |
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Senior Guru
Joined:
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Many thanks for all the suggestions. I've spoken with the shop that did my recent work - he's saying the area described as being clean, no debris. So I'm getting ready to take it apart and verify. My look see was just what is readily available, I did not remove the cover. That's probably my problem!
Regarding the AC, its working well as far as I know. I could check to see if there is any icing going on. The stat is a new one from NAPA. Basically I thought the new stats were all failsafe. No, it wasn't boiled as far as I know. Thanks for the screen pic once I get this heat problem solved I'll be doing similar.
Posted on: 2012/7/2 20:22
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Re: Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Fans were my first thought. The fan kicks on with with the AC as you would expect. I'm considering the higher volume fan but not sure it will help all that much. Not sure if I could get the dual fan set-up with all the supercharger plumbing, but . . . No, I don't have the auxilary fan. Was checking into adding one but don't think it'll fit with the intercooler there also. 160stat will make it worse? Why? I haven't found any debris around the radiator, looks clean as a whistle.
Posted on: 2012/7/2 16:35
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Hot days of Summer |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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I'm chasing a cooling system problem that is very frustrating. The car - 1989 Vette with modified L98 (mods include LT4 Hot cam, headers, dual exhaust with small twin cats, supercharger w/ intercooler, Dewitt 3 core high performance radiator, etc., etc., etc.), and the full Greenwood GC4r body kit.
If it's a warm to hot day here in the Mile Hi city, above ~85 degrees, I cannot keep the car cool at slower speeds or in stop and go traffic with the A/C on. FYI, I've seen temps as high as 263 degrees. At 230+ I turn off the A/C and the temp slowly drops back down to a 195 - 225 degree range but it becomes very uncomfortable drive, its hot in there! Here's where it get weird, if the car is driven in cool to cold weather, say 45 degrees or lower, it barely heats up enough to turn on a heater, on a cold day the temp never really gets much beyond 135 degrees, way too cold. What I've done recently, new radiator cap, 160 degree thermostat, flushed the cooling system, new water pump, new lower radiator hose, fresh anti-freeze and BG Super Cool. Result - no change still gets hotter than hell (240+). Still the same situation, turn off the A/C eliminating it's load and the temp will come down. Could my problem be with the load the A/C causes rather than the cooling system? Any thoughts? Thx.
Posted on: 2012/7/2 15:24
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Re: Dewitts rad install..... |
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Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Interesting, I've had a Dewitts rad for quite some time but still have to be fairly careful about temp conditions. Hot day (90 degrees +) heavy traffic conditions and I have big time problems with heat. The only way I can keep it under control in hot weather, specifically when traffic is stop and go is to immediately shut down the AC, a real pain. Cool weather and open roads, lucky if I can get above 140. We're going to try a setup that has a couple of small fans to see if it'll help. It seems like forever that I've been chasing this heat problem.
Yea, I know it's a bottom feeder and I have a few things in front of the rad - like the oil cooler and a supercharger intercooler. I can overheat just sitting in the driveway - its so much fun.
Posted on: 2012/5/25 15:20
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Re: Need oil change? |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
169
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Well mine does and it's just a real pain in the butt. All the leaking is coming from what looks to be the pan area but as you know you can't see much of it. The top half is very clean but the bottom - not so much.
BTW - Just on the subject I also change oil annually and have been running Mobile 1 since 1991. After rebuilding the Carroll supercharger a couple of times and then having the engine rebuilt after it blew up when the Paxton unit let go for the third time and took out a piston, I switched from the Carroll/Paxton unit to a ProCharger unit. I've been very happy with that change but this oil dripping is my new challenge to correct. Simply put, I don't like leaving spots when I park :-)
Posted on: 2012/4/21 13:38
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Re: Need oil change? |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
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Sorry, of course I was referring to conventional oil verses synthetics. My main interest is about leaking which as you say, it can leak. In my case I'm fairly sure I'll need to do some R&R to correct, just not looking forward to it.
Posted on: 2012/4/20 19:43
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Re: Need oil change? |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Speaking of oil changes I notice Mobile 1 as being the oil of choice. Question, has anyone heard of the L98 as being more prone to oil leaks with synthetic oils? I've had a running problem with oil leaks and it has been suggested a straight 30W could be better. Not sure I buy this but. . .
Posted on: 2012/4/20 17:33
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Re: C4 front hood and gas door emblems in chrome |
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Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
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Thanks for the inputs - I'll probably have to go with the Grand Sport versions if I want to stay with chrome.
Posted on: 2011/3/26 21:53
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C4 front hood and gas door emblems in chrome |
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Senior Guru
Joined:
2009/12/31 16:46 From Aurora, CO
Posts:
169
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Does anyone know where I might find a front hood and gas door emblems in chrome for a 1989 coupe? They use to be available but I'm having difficulties finding any now and mine are looking somewhat distressed.
Posted on: 2011/3/26 18:01
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