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PostPosted: Mon Sep 05, 2005 7:37 pm 
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Mama Said Knock You Out!
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Anyone with an over-bored engine have cooling issues? Mine's bored 1mm over, and now when I lay into the throttle, or go over 6000 RPM's for any more than a few seconds, the heat goes wayyyy up and won't cool down till I let the car sit for a little bit. Nothing leaking, headgasket is not leaking. It only loses coolant when it gets hot and blows it out of the over-flow tank. I'm using a single core radiator, probably has something to do with it.


Last edited by GeoZukiGTi on Mon Oct 03, 2005 8:15 pm, edited 1 time in total.

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PostPosted: Mon Sep 05, 2005 10:16 pm 
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Hmmmm, if the coolant gauge goes way up WAY FAST, you may not have a cooling problem. The gauge is electricaly controlled, if you're floating a ground / bad grounds, the gauge will be inaccurate. WOT or high loads require more electrical power, possibly causing the odd gauge readings..

Will you confirm with a manual gauge?

Reiterate on HOW FAST the temp gauge goes up. Do the readings change when you:
turn your lights on
fan on max
stereo waay up
increase electrical load.......

?

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PostPosted: Mon Sep 05, 2005 10:19 pm 
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Stupid thing, dont be offended but I've done it before. make sure you have enough coolant, and make sure that the waterpump is functioning good.
- Amer


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PostPosted: Mon Sep 05, 2005 11:04 pm 
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Mama Said Knock You Out!
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Checked the grounds, the engine is getting REALLY hot. It blows coolant outta the over-flow tank, and the cooling fan will run for about 10 minutes before it comes back down to temp. It's like the coolant starts to boil when I get on the throttle. no headgasket leakage tho. Cylinders are dry, oil is clean, and so is the coolant. It's starting to get a burnt look to the coolant tho. I'll throw a better radiator, some royal purple, and some nice distilled water and about 15% antifreeze in and see how it does. Car is full of coolant. Haven't had to put any in at all.

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PostPosted: Mon Sep 05, 2005 11:15 pm 
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I can't really think of why it would be overheating like that. Try maybe running a richer mix of coolant?, I'm just pulling things out of thin-air right now.
- Amer


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PostPosted: Mon Sep 05, 2005 11:28 pm 
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Is your cooling system pressurizing properly? Have you tried changing the rad cap?

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PostPosted: Tue Sep 06, 2005 8:26 am 
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GeoZukiGTi wrote:
I'm using a single core radiator, probably has something to do with it.


Isn't it obvious?

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PostPosted: Tue Sep 06, 2005 9:01 am 
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Mama Said Knock You Out!
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Jardamuth wrote:
Isn't it obvious?

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:lol:
Workin on ordering a dual core radiator. Got the new rad cap, and 180deg thermostat, and the royal purple coolant :) Just puzzles me why it took 3 weeks for this problem to show up :huh:

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sooooo clean it's duuuuurrty.


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PostPosted: Tue Sep 06, 2005 9:41 am 
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GeoZukiGTi wrote:
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:lol:

I'm curently working on a custom swift GT raluminum radiator that will solve any overheating issues foreva. It's much larger, thicker and wider than the stock unit. It actually fit below the upper crossmember section and require a custom fan as well.

I know, I know you're not interested. 8)

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PostPosted: Tue Sep 06, 2005 1:54 pm 
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Mama Said Knock You Out!
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It's quite alright, but you can send one over for, umm, beta testing.. Yea :) I'll prove it works, I mean, doesn't work. Cause ya know, chinoy says that you're a dummy jard :lol: :lol:
http://teamswift.net/viewtopic.php?t=13819
4 core radiators rule!! :lol:
On a serious note, when will you have one of these ready, and how's the price looking, I'm interested. Anything for the well being of my engine :)

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 Post subject: rad
PostPosted: Tue Sep 06, 2005 3:19 pm 
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Surface area is key
Try to install a 89-91 honda civic rad, they are twice as wide and plastic / aluminum. Very inexpensive. some new routing of hoses etc... and voile.

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 Post subject: Re: rad
PostPosted: Tue Sep 06, 2005 6:49 pm 
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Murr wrote:
Surface area is key
Try to install a 89-91 honda civic rad, they are twice as wide and plastic / aluminum. Very inexpensive. some new routing of hoses etc... and voile.


Exactly.. make it wider. Not all the civic rads are twice as long Murr. Regardless, I've seen a number of turbocharged 300hp B18 engine with the tiny stock civic rad with no overheating issues. The swift rad can handle plenty of BTU, in fact, more than a stock or even a modified N/A G13B engine can produce. It's only a matter of having a core in good condition with unclogged tubes.

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PostPosted: Tue Sep 06, 2005 7:04 pm 
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I flushed the system today, and threw in a quart of Royal Purple, and a quart of antifreeze, and about a gallon and a half of distilled water. I was revving the piss outta the engine, and driving it hard, and it's yet to over-heat. Royal Purple - Purple ice. That seems to be the X factor I was missing :) Still upgrading to a dual core rad, but i'm sticking with my purple ice.

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sooooo clean it's duuuuurrty.


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PostPosted: Thu Sep 08, 2005 6:59 am 
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read my rants about cooling with overbored engines....the problems are very hard to fix, but doable


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 Post subject: rads
PostPosted: Thu Sep 08, 2005 12:06 pm 
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Exactly.. make it wider. Not all the civic rads are twice as long Murr.


All the 89-91 civics hbs have "full size" rads. The later years < 92 up > have the half size rads.

Depends on how your car overheats in may be the rad.

If you are driving in hot weather, full throttle for 20mins, and your temps are slowly rising. Its more then likely rad or cooling system based.

If it spikes quickly or overheats fast it could be head gasket issues.

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PostPosted: Fri Sep 09, 2005 9:24 am 
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Mama Said Knock You Out!
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The more and more I see it get warm, I'm actually thinking about blaming the headgasket. It was one of the "no spray sealer" headgaskets. I just don't think it's capable of tolerating the abuse. It might also need to just be re-torqued. I'm gonna re-torque the head tonight and see how that fares. Jard, do you think 65-70ft-lbs would be good using your studs? or is the stock 54 ft-lbs enough. I am running ~12.5:1 compression.


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PostPosted: Sun Sep 11, 2005 7:00 pm 
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65lbs is about the max they'll handle. Did you change the radiator for a Gt one? What make you think it's the headgasket? did you check if the alternator belt wasn't sliping?
If it's a faulty headgasket, it's probably caused by knocking due to bad tuning, poor gas, agressive timing or what else. If the gasket is leaking, you I'll need to take it off and replace it. There is no way you can fix a leaking gasket by torquing it more.

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PostPosted: Sun Sep 11, 2005 8:43 pm 
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Mama Said Knock You Out!
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The heat is fine, till I drive it on the freeway for a few minutes. I get off the freeway, and the heat slowly crawls up. I have to let it sit for a little bit with the fan running before I venture out with it again. It doesn't lose coolant tho, it just blows it into the overflow tank. That's why I think it's the headgasket, could be compression leaking into the cooling system. Timing is set to +10deg. Running 94 octane(ethanol free!) gas. perhaps +10 was too much for such high compression? I tightened the studs down to 62ft-lbs. The problem became much less dramatic. But, nonetheless, the heat is still rising a lot when I get off the freeway. Perhaps a copper gasket is the way to go if the stock ones get eaten so easily? I don't believe the engine was knocking at all. It sounds great, runs smooth. I listened pretty good for any sounds of detonation when I had the timing light out. But, without a knock sensor, it would be hard to really know.


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PostPosted: Mon Sep 12, 2005 7:17 am 
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The mad quebecer
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It's normal for the coolant to overflow in the reservoir when it start to boil. It doesn't mean the gasket is shot. To me, this clearly show a lack of radiator efficiency.
Stop whining and change the rad for God's sake (and mine too). :roll:


:razz:

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PostPosted: Mon Sep 12, 2005 6:21 pm 
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Mama Said Knock You Out!
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It's gettin swapped out :-P Rad's already in the mail :) *backs ignition timing back to +6*


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PostPosted: Wed Sep 21, 2005 10:13 pm 
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Mama Said Knock You Out!
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SOLVED! New radiator, 180deg thermostat and backed the ignition timing off a bit, no more overheating :)


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PostPosted: Tue Sep 27, 2005 10:34 am 
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Yay!! :cheers:

He finally saw the light!!

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PostPosted: Tue Sep 27, 2005 1:22 pm 
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Mama Said Knock You Out!
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Jardamuth wrote:
Yay!! :cheers:

He finally saw the light!!

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I saw one of them behind me last night in my tercel. I had a LICENCE PLATE LIGHT BURNT OUT. One was still lighting up. He wrote me a ticket for "Improperly displaying license plate" What a prick, i'm so pissed. I haven't even been pulled over in almost 3 years


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PostPosted: Tue Sep 27, 2005 3:50 pm 
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Weird. You don't get a ticket for that around here, only a 48hr warning. You must go to the local police station to have an officer to check that the faulty acessory has been repaired within 48hrs.

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PostPosted: Wed Sep 28, 2005 12:45 am 
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GeoZukiGTi wrote:
What a prick, i'm so pissed. I haven't even been pulled over in almost 3 years

but your car has .. don't suppose your plates are still in their system ?

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