help with setting the advance wit timing light! - Mustang Evolution

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Old 11-24-2014, 11:47 AM   #1
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help with setting the advance wit timing light!

I have a 92 5.0 LX, I ported and polished the heads, it has an E303 cam, 1.6 cobra rocker arm, cobra upper and lower intake manifold, bbk cold air intake wit a 70 mm mass air flow as well as the throttle body, as well as the 19lb cobra injectors! I need help on setting the timing wit,the light? I have it at 18 degrees and runs good but I would like to know what I should set it at due to the upgrades I have installed? any suggestions?

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Old 11-24-2014, 02:46 PM   #2
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You set it to where it doesn't ping. All cars are different as I have seen some cars that can't be advanced past the factory 10 and some as high as 16.
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Old 11-25-2014, 01:44 PM   #3
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thats what I've herd! alright sounds good thanks! I used to have it 16 but I can't tell if there is a difference! other's have said to go up until you here it back fire then drop it two degree's but don't know how safe that is

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Old 11-25-2014, 03:09 PM   #4
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Not that it backfires but you will hear it ping when you lug the motor down low. An easy way is to have it in 5th gear cruising at 1000 or 1200 rpm and give it a good amount of gas. If it pings it usually to me sounds like marbles inside of a metal can. Or you can try going WOT and see if it starts to ping but the first option is safer.
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391 rwhp & 424 rwtq...Mustang Dyno 11.5@122mph
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Old 11-29-2014, 10:58 PM   #5
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14 degrees with the spout out on 93 octane. You will also need a dyno tune with the E cam and ported heads or it'll never run 100%.
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Old 12-07-2014, 01:42 PM   #6
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thanks fellas its all helpful! Scotty- thats the second time someone tells me that I'm gonna have try it out! thanks guys!

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Old 12-07-2014, 02:39 PM   #7
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You need a dyno tune because the computer is expecting the stock cam profile and metering fuel/spark for said profile. The computer will not "learn" the new cam profile over time, it'll just run like ***. Doing a dyno tune is going to pick up a good deal of power with ported heads and the E cam. Think like 20-30 whp. As an example my last 5.0 pushrod had a HCI that baselined at 260whp on the stock tune. 3 pulls later the tuner had it at 301/325 to the wheels.


And when I say dyno tune I mean take it to a tuner and put it on the rollers and have a chip burnt for it. Not a mail order or ebay chip lol. Not for the pushrods. Newer cars can be remote tuned which is really nice.
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