-> DL> ------------------------------------------------------------ -> DL> --- -> -> DL> 24 10.5 x 6.9 x 8.8 36 600 115 -> -> When I had that battery store we had Group 24 batteries in 350, -> 400, 450, -> 525, and 675 CCA ratings. All weighed different amounts, too... Sounds likely since the CCA rating is Directly related to the Amount of Active Material, mostly Lead, in the plates. :-) :-) --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00056 Date: 12/19/97 From: TOM WALKER Time: 05:34am \/To: ROY J. TELLASON (Read 0 times) Subj: Battery Sizes -> That may be a matter of somebody not updating their spec sheets or -> stickers, as I saw a bunch of incremental improvements like that dur -> the period that I had the store -- lots of stuff started out as -> "500" and then went to "525" in the same case and warranty rating. -> 650 went to 675, etc. I would think that was the result of clever Computer Design of the Battery plates. They have over the years almost Doubled the CCA capability through Computer Designed battery plate surface designs. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00057 Date: 12/19/97 From: TOM WALKER Time: 05:43am \/To: ROY J. TELLASON (Read 0 times) Subj: Battery Sizes -> -> I've seen car batteries with lead-calcium in them too, from time to -> time. I can't recall the brand offhand though. -> ALL Low and No Maintenance Batteries are using Lead-Calcium plates. All Deep Discharge batteries use Lead-Antimony plates or a Antimony/Calcium mix. Antimony was originally added to Lead Acid Battery plates because it retarded the flaking off of the active material of the plate, Particularly when to battery was near bottom of charge. The Down side was that the Battery gassed and lost water fairlly easily .The Introduction of Alternators negated the need for Deep Discharges of the typical automobile batteries and the Antimony was replaced with Calcium because it Retarded Gassing and the resulting water loss making Maintenance Free batteries possible. The down side to Calcium is that there is no Plate Material Shedding capabilities and the battery will be damaged by deep discharges. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00058 Date: 12/19/97 From: TOM WALKER Time: 05:48am \/To: KENNY HENDERSON (Read 0 times) Subj: Battery sizes -> TW>-> What really blew me away was when the new Ford Probe took the h -> TW>-> for 1993 even though the new LT1 Camaro bested it in almost eve -> TW>-> category. It seems a large part of the equation is how much an -> TW>-> existing model has improved, rather than which one is better in -> TW>-> majority of categories. -> -> TW> The selection of Car of the Year has always been somewhat politic -> TW>Some have been Total Disasters and actually Set Backs progress in -> TW>hindsight. -> -> Very true. Back to the Probe GT vs Camaro Z28 though, we shouldn't s -> the Probe GT short. They are nice little cars. They handle quite -> well, and have enough power in GT form for most people. That 2.5 -> DOHC V6 (Mazda engine I think?) is a smooth little powerplant. I -> was in a 5 speed Probe GT, and low in the revs the car was dead, but -> up around 4000 RPMs or so the car does make some decent power. Of -> course its nothing like the LT1 Z28s, but its a totally different -> kind of car. --- We also have to remember while they are Automobile Enthusiasts magazines they also are Sales Oriented, Their Own,. So they tend to Rate cars fro the More Typical Driver. Not all of us really appreciate the Comaros and Vettes of the World. And as you have said in some option arrangements the Probe was a fairly Fun and decent car for the Casual car lover. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00059 Date: 12/19/97 From: TOM WALKER Time: 05:52am \/To: BILL MITCHELL (Read 0 times) Subj: Electrical loads, battery -> ML> I believe he's questioning whether it will START without a -> ML> battery. Does it have sufficient residual magnetism to -> ML> generate a field? I suspect not. -> -> Your suspitions are correct, automotive alternators (in reality they -> really an AC Generator) are not self exciting and retain no residual -> magnatism. They need a battery to excite the field, otherwise they ha -> zero output. Not only that but are of the Very Efficient Three Phase design enabling them to put out those Higher Current outputs in a much smaller package. Anybody that has ever seen or replaced an old 100 Amp engine Generator can testify to that. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00060 Date: 12/19/97 From: TOM WALKER Time: 05:55am \/To: JAY EMRIE (Read 0 times) Subj: Battery sizes -> ML>Here is one final note on the subject of jumping batteries. There -> ML>is a second potential problem and it is OVERSHOOT. When the secon -> ML>car starts, its alternator immediately provides some current. If -> ML>the first car's voltage regulator cannot react quickly enough, the -> ML>it can momentarily supply too much current and cause a large volta -> ML>overshoot. This high voltage can damage some sensitive electronic -> ML>components. -> -> Guess I've never had that happen either. That is because it NEVER HAPPENS. A car battery is capable of absorbing ant so called Voltage overshoot of that nature. Now Spikes from Connecting the Cables Wrong or something like that is another story and HAD destroyed some car electronics. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00061 Date: 12/19/97 From: TOM WALKER Time: 05:59am \/To: JAY EMRIE (Read 0 times) Subj: Car Cookin' -> MSW>TW> I remember in the 40's there was an article about a Guy that -> MSW>TW> owned a Cadillac that used to cook a Roast complete with -> MSW>TW> vegetables and potatoes under the hood. -> -> MSW>A book about underhood cooking is called MANIFOLD DESTINY. The -> MSW>authors prefer fuel-injected "V" engines because it's easier to -> MSW>set food on the engine than with a carbureted engine. -> -> That's why the old straight 8s and 6s were so good for this. The old V-8's were actually better. You had to tie the "Supper" on quite well with the Straight engines else it would dribble out along the road while you were driving. On the V-8 it was nested neatly between the Carburetor and the Head. :-) And since you had two sides you could have a Two Main Courses. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00062 Date: 12/19/97 From: TOM WALKER Time: 06:05am \/To: MARC GERGES (Read 0 times) Subj: Battery sizes -> Salut Gary! -> -> GS>> When an alternator is charging a very low battery, it is maxing -> out GS>> on amps. Like anything electric/electronic, if you leave it -> running -> GS>> at 100% for an extended time, parts will overheat. Among the p -> GS>> that can fail if overheated include (but are not limited to) the -> GS>> diodes and voltage regulator. -> MG>> You must have quite a bad alternator. -> GS> No, that's true with all electronics. Run three amps through a -> GS> transistor rated at 3 amps continuously, and it'll eventually fa -> But shouldn't an alternator be rated at a current higher than needed, -> to prevent that? Any Quality Alternator IS rated to run at 100% output Continuously. Of course because of the nature of the Alternator/Battery Maximum output continuously is very rarely needed. BUT he capability is there. And I have been involved with Electronics since 1948 and Never seen, Except for the Cheapest CRAP replacement part NOT deliver their Rated capacity continuously. Now in the case of Transistors and Alternator Diodes it also must be Heat Sinked and operated within the Temperature restraints of the specification. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00063 Date: 12/19/97 From: TOM WALKER Time: 06:10am \/To: JAY EMRIE (Read 0 times) Subj: Battery sizes -> Tom, if you apply +12V to the anode of a diode and -12V to the -> cathode of a diode it will conduct Heavily!!! Then it is NOT reverse -> foltage, but FORWARD voltage. How many amps do you think would try -> to flow through that diode then? Seems like I remember the forward -> resistance of power diodes being something like .1 ohms. Assuming -> the good alternator was putting out 14V then something like 140 AMPS -> would try to flow through the diodes. Reckon they would take it? I -> think not. BUT by Design a 50 Amp Alternator will NEVER put out 140 Amps. So the possibly 60 or higher Rated Diodes in this example can Never be damaged. And since their Reverse Voltage is FAR above 15 volts putting anything UP to that Value on the Alternator Output Terminal also will NOT damage them. --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100) --------------- FIDO MESSAGE AREA==> TOPIC: 246 AUTOMOTIVE Ref: EGP00064 Date: 12/19/97 From: TOM WALKER Time: 06:16am \/To: ALAN MORRISON (Read 0 times) Subj: American Sports Car -> -=> Quoting TOM WALKER to KENNY HENDERSON <=- -> -> -> JP> sports car. -> -> -> -> JW> I've always been kinda curious... does the Viper fit here? -> -> -> -> Yeah. I'd have to say so:) -> -> TW> And it will Seriously Embarrass the Corvette in any competition y -> TW> want to name. BUT it costs $20,000+ More! -> -> Serious embarrasment requires the 450 horse GTS which starts at $66k. -> -> The RT/10 415 horse version is a bit closer to the C5 in performance -> and price at $58k to the Vettes $38k. You get what you pay for. But on another Note did you see that the VIPER GTS Won a GT race i n Europe as the FIRST American car to do so in 30 YEARS!!! Where were the Corvettes? And if I recall the Last American Car was a FORD. Again Where are the Corvettes? --- GEcho 1.20/Pro * Origin: Jim's East County BBS! El Cajon, CA. (619) 561-8424 (1:202/100)