HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Controlling the water temps on the track

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Re: Controlling the water temps on the track

Post  rooster on Tue Jun 19, 2012 11:45 am

I don't have much to add here other than some internet searching that uncovered a hi flow TS. If you are running the stock pump and stock goose neck with integrated TS, Nook & Tranny has both a 160 and 180 degree hi flow TS for the LS1 (2002 and earlier). Its cheaper than SLP, Jegs, and Summit options. I plan to track my car once it's complete so I figure $34.00 is cheap insurance. That Evans hi flow pump is $400, I hope I don't it!
http://store03.prostores.com/servlet/nookandtranny/the-529/LS1-LS6-160-Degree/Detail





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Re: Controlling the water temps on the track

Post  tooms351 on Tue Jun 19, 2012 4:18 pm

Hey Doc, I'm running the rh set up a Ron Davis I think, also a remote oil filter, water wetter and I snuck an oil cooler behind the nose panel where the stock intercooler was.I haven't had any cooling problems yet! I ran the Sebring short course last July it was 90 degrees easily, the hottest I saw was 215-220 degrees. If you have the room try a bigger radiator, and definately an oil cooler, good luck!
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Re: Controlling the water temps on the track

Post  docwyte on Tue Jun 19, 2012 4:39 pm

I've got a large Mocal oil cooler behind the passenger side fog light. Still see 250F+ oil temps, although my temps are consistently 40-50F degrees less than my friend with a C5 Z06 Vette on the same day, so I know it's working.

I'm really not that concerned with the oil temps, the oil can take it and 250F isn't a big deal for the motor oil temp wise.

I'm just not happy with the water temps being 250F...

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Re: Controlling the water temps on the track

Post  tooms351 on Tue Jun 19, 2012 5:39 pm

I agree 250F is way too hot! Water wetter might give you 10F, maybe check water temps with a mechanical guage in case you're getting a false reading, also make sure radiator hose (lower?) dosen't collapse under high rpm's. I'm sure you're using synthetic oil. If you haven't already pull off that weatherstrip that runs from the battery to the fuse box to help vent under the hood.
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Water temps

Post  fliermike45 on Tue Jun 19, 2012 6:34 pm

I'm curious where and how you are reading your water temps?
Are you looking at the PCU temp readout via the OBDII port?

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Re: Controlling the water temps on the track

Post  docwyte on Tue Jun 19, 2012 9:24 pm

I've got an autometer gauge using a sender in the drivers side head.

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Re: Controlling the water temps on the track

Post  Lemming on Wed Jun 20, 2012 1:18 pm

Late to the parade, I've been traveling.

250+ is far to hot for water temps. As I mentioned in another thread, my water temps were hitting 230 at Barber and that was at 99o ambient temperature (oil never got above 220). I called Griffin, since they spec'ed my radiator. They feel that my oil cooler is blocking too much of my radiator and suggested that I move it elsewhere. My plan is to go from a 30 to a 19 row oil cooler and then tuck the oil cooler up and further away from the rad. I'll put the oil cooler right behind my fiberglass bumper that now has a few large holes in it for air flow. Will check this out at Barber in mid July, that should be a good test in the heat and humidity.

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Re: Controlling the water temps on the track

Post  docwyte on Wed Jun 20, 2012 2:50 pm

What does everyone think of the Ron Davis radiator? I have the chance to get one (the RH setup) brand new for a decent deal...

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Re: Controlling the water temps on the track

Post  acorad on Wed Jun 20, 2012 3:30 pm

I have one, the rads are built great. If it's the standard 16" tall RH/RD rad, which hangs 1" lower than stock, you have to be careful of it scraping around town.


Last edited by acorad on Wed Jun 20, 2012 3:59 pm; edited 1 time in total
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Re: Controlling the water temps on the track

Post  tooms351 on Wed Jun 20, 2012 3:35 pm

It's worked well for me running an iron block but no ac condenser, you'll have to fab some brackets but not too tough to do.
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Re: Controlling the water temps on the track

Post  docwyte on Wed Jun 20, 2012 3:55 pm

It is the RD/RH setup. I do have a lower splitter/undertray, so I should have some protection for it. Has anyone gone from OEM to the RD setup and logged temps?

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Re: Controlling the water temps on the track

Post  zeusrotty on Wed Jun 20, 2012 5:34 pm

I have a gt racing front bumper and a 951 radiator, with a 160 thermostat... Will that be okay for the track? I do have AC and Heat in the car. Also have water wetter.

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Re: Controlling the water temps on the track

Post  docwyte on Wed Jun 20, 2012 5:40 pm

Hard to say. In my experience so far, no. But I don't have the GT racing front bumper, which has more air inlet square footage...

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Re: Controlling the water temps on the track

Post  Lemming on Thu Jun 21, 2012 7:44 am

If you read Corky Bell's book on supercharging, he states that the opening to either an intercooler or radiator should be 30% of the size of the radiator. The important features are that the area is well ducted so that air cannot escape back out the front opening, or around the radiator. You also need to make sure that excessive pressure is not building up in the engine bay. This is accomplished a number of ways:

1. Louvers or ducting out from the hood. Make sure the ducting is not too far back as you want to pull air out from the engine bay using the low pressure in the front half of the hood.

2. Make sure that you have the gasket that seals the hood to the firewall is in place. Otherwise the high pressure at the base of the windshield will allow more air into the engine bay, NOT OUT of the bay. People at the track have told me that they have removed the gasket to get better cooling, that DOES NOT WORK!

3. Run your undertrays.

4. Seal up any other gaps or holes that allow air into the front of the engine bay. The only air going into the engine bay should be going through the radiator.


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Re: Controlling the water temps on the track

Post  Lemming on Thu Jun 21, 2012 7:53 am

docwyte wrote:What does everyone think of the Ron Davis radiator? I have the chance to get one (the RH setup) brand new for a decent deal...

If this is the three row radiator, I would not get it. Tom E. told me to stick with a two-row, they cool better.
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Re: Controlling the water temps on the track

Post  docwyte on Thu Jun 21, 2012 9:15 am

I do have that firewall seal in place and have the undertray on.

TonyG is racing with the RH radiator with no issues, so it should be ok.

I did burp the car last night through the steam vent and got a big air bubble out. Pulled off the hose and it literally blew air for a split second, then started flowing water.

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rad

Post  kevin924kevin on Thu Jun 21, 2012 3:44 pm

Hello all, from what i understand from the stock car days, we always ran a min of a 3 core rad. The aluminum rads made today in a three our four core, would cool any car.
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Re: Controlling the water temps on the track

Post  acorad on Thu Jun 21, 2012 5:24 pm

docwyte wrote:I did burp the car last night through the steam vent and got a big air bubble out. Pulled off the hose and it literally blew air for a split second, then started flowing water.
Could make a big difference.
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Re: Controlling the water temps on the track

Post  docwyte on Thu Jun 21, 2012 5:39 pm

Never know, only thing I can't find out unless I take the car to the track. I decided to just suck it up and get the other radiator.

Do you want the OEM one in my car now? It's probably got under 1000 miles on it.

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Re: Controlling the water temps on the track

Post  acorad on Thu Jun 21, 2012 5:42 pm

Makes sense. Sent you a pm about the oem rad.
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Re: Controlling the water temps on the track

Post  acorad on Fri Jun 22, 2012 12:46 pm

Doc, here's the RH rad plumbing on my car.

View from PS headlight area. The thin green hose comes from the steam pipes under the throttle body, then T's at the top DS corner of the rad, and then goes to the coolant tank. White hose connects to rad just under the thin green hose:



View from DS fender area showing DS upper rad corner:



View from PS headlight area vertically down to the bottom PS corner of the rad. Orange hose goes vertically from thermostat housing to bottom PS corner. Magenta hose goes to coolant tank:



Coolant tank.

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Re: Controlling the water temps on the track

Post  docwyte on Mon Jul 02, 2012 8:40 pm

Got the radiator installed today. I didn't use the steam vent port on the radiator at all. I capped it off and left my steam vent the way it was, which goes underneath the throttle body, connects the two head and then vents into my coolant overflow tank. I didn't really see the point of attaching it to the radiator. I could easily T it off the line going up to the coolant over flow tank if need be. I just didn't see how that would help anything. I filled the tank till coolant came out the steam vent pipe on the radiator, then I capped it...


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Re: Controlling the water temps on the track

Post  Lemming on Tue Jul 03, 2012 12:30 pm

Doc,

It looks like you set up yours the same as mine (although my griffin does not have a steam port on the radiator). I run the steam line directly to the overflow tank.
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Re: Controlling the water temps on the track

Post  docwyte on Tue Jul 03, 2012 1:12 pm

Good to know! Now if I could just get my emissions readiness monitors to read ready to make the smog doofus happy so I can renew my tags...

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Re: Controlling the water temps on the track

Post  968LS3RS on Wed Jul 04, 2012 8:12 pm

Get rid of the TEE and go to the coolant tank plug the port on the radiator. The TEE allows steam into the top of the radiator. When you bleed thew system take the hose from the steam port on heads and with the cap off put the hose on the coolant tank and run the engine until you get a constant stream of water out of the hose. Then connect hose and put the cap on. This will ensure you have no air in the system.

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Re: Controlling the water temps on the track

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