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01-20-2004, 11:06 AM | #1 |
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Location: Panama City Fl.
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E303
i have a cobra 5.0 and i put an E303 cam in it. i was wondering how much should i advance the timing? thanx.
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01-20-2004, 12:13 PM | #2 |
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mods?
What other mods do you have done to your car? What gears are in the rear? I'd try somewhere between 13-15 degrees btdc. Just play around with it until it feels like it's running the best.
Last edited by Simi Stang; 01-21-2004 at 11:50 AM.. |
01-20-2004, 01:01 PM | #3 |
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I agree with the above statement. I run 16 degrees of initial timing with my E-303 cam.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
01-20-2004, 02:23 PM | #4 |
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Got mine set at 16* too. You may notice with the E-cam that you will have to raise the idle slightly. I have to keep idle between 850 and 900 rpms to keep from surging.
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NewEngland Auto www.baystategearheads.com -91 Mustang Coupe, ex 4cyl (sold) -99 F150, 3" lift, 35" Procomps, Magnaflow exhaust |
01-21-2004, 10:14 AM | #5 |
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mods
ive got the E303 cam,under drive pulleys,RPM 2 intake,70 mm throttle body,roller timing chain, 4.10 rear end, full exhaust,1.7 crane RR's. I think the timing is about 10-11 degrees..... any recommendations.? which the timing should be at. I only run 93 octane.??????????? thanx
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01-21-2004, 10:23 AM | #6 |
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I would put it at 15 dgrees if it were mine.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
01-21-2004, 11:07 AM | #7 |
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timing
alright thanx ill try settin the timing at 15 degrees
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01-21-2004, 10:19 PM | #8 |
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I always heard that the stock balancer were not that accurate.(if you even are running a stock balancer)
I would just start at a conservative numer like 12 btc and keep advancing it till you hear a slight ping. Then back it off 2-3 degrees. I have seen Mustangs run best at 11degrees btc and 22 degrees btc and everything in between with the e-cam. ** And yes the same combo with the same compression and the same fuel.** My 2 cents. |
01-22-2004, 01:53 AM | #9 |
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I'd recommend about 14-15 degrees. I have the E-303 and I run my car at around 12 on 93 just because mine doesn't like the extra timing. I don't really feel any noticeable power increase, and the car runs noticeably rougher. It won't even run 16 degrees without upping the fuel rail pressure to stop it from pinging badly.
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'91 Mustang GT 5.0 AOD Daily Driver Current stats: NEW 302 short block, E-303 cam (@.050, 220/220, .498/.498, 110 degrees), 1.6 roller rockers, Performer RPM heads (aluminum, 1.9/1.6, 60cc chambers), Cobra intake, Granatelli 75mm MAF, Billet AFPR, Equal-Length Shorty Headers, Off-Road X Pipe, Flowmasters, 4.10 POSI 13.73 at 103.8, ~2.2 60' |
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