Interesting concept. Have always wondered about dual plug set ups as I was
under the impression that two flame fronts were the cause of detonation.
Obviously the timing of these two flame fronts are a big part of the
equation too.
John Beckett
----- Original Message -----
From: "Richard Fox" <v4gr@rcn.com>
Cc: <land-speed@autox.team.net>
Sent: Monday, October 09, 2000 12:51 PM
Subject: Re: cooling
> I have been trying to send this for awhile, maybe it will work this time.
> I'm making chips doing a billet aluminum head for my 32 Plymouth.
Converting
> back to "L" head. I plan no water jacket mostly because its easier that
way.
> My thought is there is no exhaust passage in the head and it will have 16
> fins 1/8 thick by 3/4 tall with 3/8 gaps between them. Any input on this
> plan, informed or otherwise, is encouraged. Also I will be using two 10 mm
> sparkplugs one in the normal place next to the exhaust valve and one over
> the bore. Thought it would be interesting to vary the timing between them
to
> see what happens. I am sure all of this was done 50 years ago but it keeps
> me busy. Rich Fox
> -----Original MessageCc: land-speed@autox.team.net
> <land-speed@autox.team.net>
> Date: Monday, October 09, 2000 05:18 AM
> Subject: Re: cooling
>
>
> >I don't often weigh in on the tech stuff, but we had Ed Pink give us some
> >input to this cooling deal. Ed states that you can't have too much
water,
> >all nooks and cranies must be filled to avoid any chance of hot spots
which
> >can lead to detonation. We currently use two 12 volt pumps at the water
> >tank. The ouput of these pumps feed into a sprint car centrifugal pump
> >driven off the crank. There is a thermostat in the line also to aid in
> >keeping the temp constant.
> >
> >Dan (real cool) Warner
> >
> >----- Original Message -----
> >From: John Beckett <landspeedracer@email.msn.com>
> >To: Keith Turk <kturk@ala.net>; Land Speed List
<land-speed@autox.team.net>
> >Sent: Friday, October 06, 2000 3:13 PM
> >Subject: Re: cooling
> >
> >
> >> Now here is an interesting bit of info: A good standard water pump
flows
> >> about 100 gpm, a NASCAR pump flows 180 gpm. The best electric pump I
have
> >> found flows only about 30 gpm.
> >> So now if your flow starts off at thirty gpm it ain't gonna be anywhere
> >near
> >> close to the 35 gpm needed at the exit point.
> >>
> >> John Beckett, LSR #79,
> >> ----- Original Message -----
> >> From: "Keith Turk" <kturk@ala.net>
> >> To: "John Beckett" <landspeedracer@email.msn.com>; "Land Speed List"
> >> <land-speed@autox.team.net>
> >> Sent: Friday, October 06, 2000 9:12 AM
> >> Subject: Re: cooling
> >>
> >>
> >> > On your Recommendation I spent an hour on the phone yesterday with
Carl
> >> > Adams... of Adams Pumps..
> >> >
> >> > Carl is a LSR fan... and a Nascar Cooling specialist... it was a
> >> fascinating
> >> > conversation and I look forward to hanging out with him on the
28th....
> >> >
> >> > He was saying what we needed was a Minimum of 35 gallons of Flow per
> >> Minute
> >> > and that the Water Must in fact Flow through all the Block.. not just
> >the
> >> > Front... Back cylinders are often stagnant.... He was a BIG FAN of
> >> > Thermostats.... saying they need to be VERY HIGH.... like 190 or
so....
> >he
> >> > wanted the Water Temp to be in the 210 range to Make Power... saying
> >there
> >> > was 80hp difference in one of his applications between 160 and 210
> >> > degrees...
> >> >
> >> > His other Big Comment was that the Pump needed to be Measured not at
> the
> >> > Pump but through the Block.... at the outlet.... anything else is
just
> >> > guessing at what the actual flow through the restrictions really
is...
> >> >
> >> > I can't remember all the conversation but like you John... I was very
> >> > impressed with the guys knowledge of Cooling.
> >> >
> >> > Keith
> >> > ----- Original Message -----
> >> > From: "John Beckett" <landspeedracer@email.msn.com>
> >> > To: "Land Speed List" <land-speed@autox.team.net>
> >> > Sent: Friday, October 06, 2000 8:14 AM
> >> > Subject: cooling
> >> >
> >> >
> >> > > OK, thought I would give Keith a break and start a new thread.
> >> > >
> >> > > My big question is how important is the cooling system to HP? and
> >> > longevity?
> >> > >
> >> > > Have had several problems with melted pistons over the years. And I
> >> > thought
> >> > > they were due to none cooling related problems (probably were). But
> >now
> >> I
> >> > > wonder if the cooling system was of a better design whether the
> >pistons
> >> > > would have ultimately melted (or at least melted as quickly).
> >> > >
> >> > > So (on a SB Chevy) how much water flow (gpm) is required for proper
> >> > cooling?
> >> > > Can you have to much flow?
> >> > >
> >> > > What's the preferred pump: belt driven or electric? How much HP
does
> a
> >> > belt
> >> > > driven pump use vs. an alternator to drive all the electrical
> >> accessories.
> >> > >
> >> > > Should you run a thermostat? and at what temp? or just a
restrictor?
> >> > >
> >> > > Is it better to design a LSR cooling system based on Drag Racing or
> >> > NASCAR?
> >> > >
> >> > > What's up with reverse flow systems? don't see many in grass roots
> >> racing.
> >> > >
> >> > > John Beckett
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> > >
> >> >
> >>
> >>
> >>
> >
> >
>
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