Sounds really cool. It's something I would like to get into after a couple years of autocrossing. I also need a lot of dough.
thanks, aj --- Lee & Tracy Grimes <[EMAIL PROTECTED]> wrote: > No this one with the nice engine is in an E > Production racecar. IT engines > are little more than cleaned up, optimized street > engines, less power less > money and more relaible. After many years of racing > IT, I stupidly decided > to sell a perfectly good racecar and build a money > pit racecar. If I get > smart, I may go back to IT as I have most of the > parts needed to build > another car. > > Lee > > > > > ----- Original Message ----- > From: "AJ Nealey" <[EMAIL PROTECTED]> > To: "Lee & Tracy Grimes" <[EMAIL PROTECTED]> > Sent: Monday, January 06, 2003 12:43 AM > Subject: Re: CRX: Purple Ice...Water Wetter > > > > Your not running this CRX of yours in ITA are you? > > > > just curious, > > > > aj =) > > > > --- Lee & Tracy Grimes <[EMAIL PROTECTED]> > wrote: > > > MessageDon't just remove the thermostat as you > can > > > cause even more heat problems, a common issue > for > > > racers. When in the system, the thermostat adds > > > some back pressure that slows the flow. If you > > > remove the backpressure and speed up the flow, > the > > > water spends less quality cooling time in the > > > radiator so the water that goes back into the > engine > > > is hotter. The car can actually run hotter if > you > > > don't give the water enough time to cool in the > > > radiator. The usual racer trick if needed is to > gut > > > a thermostat then put the shell in the system to > add > > > some resistance to flow. I have not tried this > as > > > my Hondas have always raced cool. > > > > > > I think you are really on the right track with > the > > > Purple Ice/Water Wetter step first. This should > > > impreove the heat transfer efficiency without > having > > > any downsides. This summer and last winter we > raced > > > a Mazda RX7 in 12 and 24 hour endurance races > and I > > > learned a bit about coolant since rotaries run > much, > > > much hotter than piston engines. The 12 hour > ran in > > > the heat of June and we were the only rotary > team to > > > finish as the others all boiled over but we > spent > > > much of the daylight race hours driving watching > the > > > water temp, short shifting and not drafting so > we > > > had a steady fresh air supply to the big > aluminum > > > race radiator. Apparantly water is a better > > > transferer of heat than is ethylene glycol > > > (anti-freeze) so the 50/50 mix that most people > > > suggest is actually good to reduce freeze issues > but > > > does not transfer heat that well at all. They > say a > > > 75-90% water/ 10-25% glycol mix will do a better > job > > > of actually cooling. The glycol does have some > rust > > > inhibitors and water pump lubricants in it so > you > > > need some measure of it present. > > > > > > Finally, I am putting a 2-row Accord radiator in > the > > > latest CRX racecar because the 14:1 compression > and > > > 9,000 rpm on the D16A6 is certainly going to run > > > hotter than my previous race engines. It is a > very > > > tight fit and I haven't finished making all the > > > brackets but I know someone who is having good > > > success with this radiator in his high stressed > CRX > > > racer. This is an engine I can't affored to > melt > > > down. > > > > > > Lee > > > ----- Original Message ----- > > > From: George Freeman > > > To: 'David Miller' ; 'Lee & Tracy Grimes' ; > > > [EMAIL PROTECTED] > > > Sent: Sunday, January 05, 2003 9:49 PM > > > Subject: RE: CRX: Purple Ice...Water Wetter > > > > > > > > > Hmm, didn't think about that one. Any > downsides? > > > > > > > > > -George > > > -----Original Message----- > > > From: David Miller > [mailto:[EMAIL PROTECTED]] > > > Sent: Sunday, January 05, 2003 9:40 PM > > > To: [EMAIL PROTECTED]; Lee & Tracy > > > Grimes; George Freeman; [EMAIL PROTECTED] > > > Subject: RE: CRX: Purple Ice...Water Wetter > > > > > > > > > Have you considered removing the thermostat? > > > > > > David > > > -----Original Message----- > > > From: [EMAIL PROTECTED] > > > [mailto:[EMAIL PROTECTED]] > > > Sent: Sun 1/5/2003 8:43 AM > > > To: Lee & Tracy Grimes; George Freeman; > > > [EMAIL PROTECTED] > > > Cc: > > > Subject: Re: CRX: Purple Ice...Water > Wetter > > > > > > > > > Lee, > > > > > > > > > I rarely have had heat issues with stock > > > Hondas in the past since like you > > > said they run cool compared to other cars. > My > > > challenge is the shaved > > > head/higher compression on the D16Z6 is > > > creating a hotter running motor than > > > stock which has lots of power during the > first > > > few minutes of running, then > > > slowly starts losing ponies as it warms up > > > (radiator & coolant are new BTW). > > > > > > Here in FL the heat factor is more > dramatic in > > > the summer so I'm willing to > > > try this stuff and see what happens. > Little > > > Beast is becoming very fun to > > > drive as I slowly chip away at each issue > one > > > by one (ignition, timing, > > > cooling, etc.). > > > > > > > > > -George > > > > > > > That stuff sounds like Red Line's Water > > > Wetter. I've used it for years in > > > > the racecars and put it in the van that > > > tended to run hot when towing. I > > > > don't think I've run it in a street > Honda > > > but luckily they run so cool > > > > anyway. That is something we can be very > > > happy about, rarely ever do you see > > > > or hear of a Honda overheating and if so > it > > > is usually a blatent problem and > > > > not a design issue. > > > > > > > > Lee > > > > > > > > > > > > ----- Original Message ----- > > > > From: "George Freeman" > > > <[EMAIL PROTECTED]> > > > > > CRX content: Just got a bottle of > "Purple > > > Ice" and plan to put it in > > > > > soon. Apparently, you have to drain > the > > > coolant out so there's only 15% > > > > > left, then add just water and the > Purple > === message truncated === ===== GS CRX __________________________________________________ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com
