Very true, Ben's cams seem to have a better idle quality than the one I designed. Mine sounded better though. :P
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What is the largest camshaft I can run
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Originally posted by ForcedFirebird View PostI wasn't talking about our shelf cams
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Shelf cams?! Im gonna hop in my pregen and drive down to Florida to have a talk with John:P
I guess there is the "smooth idle" that this guy probably wanted to know, and then there is the "not gonna idle below 1200 RPM no matter what" that I was thinking of as being too far. Lot of cam between those 2 points. I don't know think anyone with a hydraulic roller cam has gone too big for the engine to not idle at 1000 or less.Ben
60DegreeV6.com
WOT-Tech.com
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Originally posted by caffeine View PostYeah that cam I bought from Mars is probably as big as anyone would go without ported heads but it still idles at 900ish with a nice lope.
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Looks like I dropped in too late, but...
Originally posted by Superdave View PostWow, you guys are auto Noobs.. lol
Converter stall speed needs to match the peak torque of the engine, with a stock converter probably being 1800-2000 then not much cam.
With a cam that's large enough that it needs to idle higher, you also need to run a higher stall so the car doesn't constantly try to lurch at stoplights. The emailer is correct, it's a bitch to have a lopey cam and a low stall converter.
I'm guessing the stall speed on the stock torque converter (for what car? what engine?) is probably not going to be above 2500 RPM. So a mild performance camshaft (i.e. for midrange torque) should work well with it.
Anyway, I guess it's too late now.
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more consistent times at the drag strip is usually why, other tracks like road course are more suited to manual though.
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Originally posted by trotterlg View PostLife sure looks complicated with an automatic, seems best to just run a stick and have the stall speed any thing you want it to be. Never could understand a performance car with an automatic. Gues it is good for the Wife or your Mother to drive. Larry
I use this car as an example because I know someone who just purchased one and he wanted a true manual but when he tried driving one of the autos in manual mode he couldn't even react quick enough due to the power, so never mind having a clutch and shifter to operate.
Got Lope?
3500 Build, Comp XFI Cam 218/230 .050 dur .570/.568 lift 113LSA
Fully Balanced, Ported, 3 Angle Valve Job, 65mm TCE TB, S&S Headers.
Stage-1 Raybestos/Alto 4t60e-HD, EP LSD, 3.69FDR
12.61@105 Epping NH Oct 2015 Nitrous 100shot (melted plugs) 13.58@98.8 N/A 3200LBS
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Originally posted by 3400-95-Modified View PostIt's funny you say that because you can't get a Porsche Turbo S with a "stick" Only an automatic with a torque converter Yes it has manual mode but it doesn't have a clutch pedal.
I use this car as an example because I know someone who just purchased one and he wanted a true manual but when he tried driving one of the autos in manual mode he couldn't even react quick enough due to the power, so never mind having a clutch and shifter to operate.1999 GLS MP90 supercharged / 2003 GL MP62 supercharged / 2004 GLS stock
Magnuson MP90 / TOG's / 3 in. Magnaflow exhaust / MSD ignition / LS1 MAF / Racetronix pump / HP Tuners / TCE 68mm TB / 36 lb Inj
= Best track time: 12.951 @ 104.48, 1.839 60 ft. (Beech Bend Raceway Park, 11-23-13), 50 Deg. F
http://www.youtube.com/watch?v=hpVYZPbpPzk
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