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Old 02-01-2012, 08:07 AM
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Question Dual EGT's

So, while installing my pyrometer in the left exhaust manifold this past weekend I got to thinking. Would it be necessary or good to put another probe in the other side as well and wire a switch between the probes and the gauge to be able to see how each bank is doing? My thinking here is we are only monitoring half the engine with a probe in just the left side. Could there ever be, theoretically, a situation whereas one bank could run hotter than the other? Another probe and wiring is about $60 and I figured why not, unless someone here can chime in as to why not. Overkill?
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Old 02-01-2012, 08:51 AM
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We have done it in big rigs with V8's. Its good for figuring out which bank has a dead cylinder or stuck open injector.
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Old 02-03-2012, 09:38 PM
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Not a bad idea. Like Ryan said, big trucks with V8 CAT and Detroit two strokes will usually run doubles...I may eventually, or actually run two gauges...
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Old 02-03-2012, 09:40 PM
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Quote:
Originally Posted by Silvercrew View Post
So, while installing my pyrometer in the left exhaust manifold this past weekend I got to thinking. Would it be necessary or good to put another probe in the other side as well and wire a switch between the probes and the gauge to be able to see how each bank is doing? My thinking here is we are only monitoring half the engine with a probe in just the left side. Could there ever be, theoretically, a situation whereas one bank could run hotter than the other? Another probe and wiring is about $60 and I figured why not, unless someone here can chime in as to why not. Overkill?
generally you will know if there is an issue and fix it. why need to see 2 egts all the time? imo not nessary. unless you want to get gauge happy.
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Old 02-04-2012, 02:06 PM
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I always thought that would be a good idea to run twin gauges for each bank. the high dollar drag cars will run 8 of them in each primary. My buddies twin turbo SBF Hatchback Stang has small egt probes in each primary, easy to trace down an injector issue, or just a tuning issue in general and add more fuel to one injector to keep from burning a hole in a piston or installing a window in the block
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Old 02-04-2012, 02:11 PM
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Quote:
Originally Posted by SS4Matt View Post
I always thought that would be a good idea to run twin gauges for each bank. the high dollar drag cars will run 8 of them in each primary. My buddies twin turbo SBF Hatchback Stang has small egt probes in each primary, easy to trace down an injector issue, or just a tuning issue in general and add more fuel to one injector to keep from burning a hole in a piston or installing a window in the block
in this case for racing yes i can see the need for it. but for the average joe, unnecessary.
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