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#1 |
Guest
Posts: n/a
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![]() I just put together a new motor and it's runnig a little rough! It's a stock HO short block with Edelbrock heads and intake,E303 cam, 1 5/8 headers, and off road h-pipe. It idles at about 650-750 rpm but it's very lumpy! If I goose the gas a little it jumps to life and smooths out nicely. Should an E303 cam idle that roughly. The only new parts on the car besides the cam are the heads and the h-pipe. Any suggestions?
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#2 |
Registered Member
Join Date: May 1999
Posts: 5,246
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![]() I wouldn't idle the E cam that low. Increasing the idle speed to 800rpms would probably help quite a bit.
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#3 |
Registered Member
Join Date: Feb 1999
Location: Utica, Michigan
Posts: 2,631
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![]() My, and Skymans E-cam cars both have a rumpita-rumpita idle. It's supposed to sound that way.
------------------ 1988 Mustang GT 11.8 @ 123 (7/14/01) 1992 BadAzz Wrangler 1993 Explorer See my car at: www.mustangworks.com/cgi-bin/moi-display.cgi?179 |
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#4 | |
Registered Member
Join Date: Mar 2000
Location: Springfield, Ma, usa
Posts: 706
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![]() Quote:
------------------ 89 GT AOD w/ shift kit, B&M rachet shifter, Trickflow intake, Crane (E-type) cam, 70Tb, 75MAF, 1.6 Rockers, Pulleys, MAC headers and H-pipe, Dynomax mufflers, K&N, 3 core radiator, white face gauges, custom interior, cobra R rims MY89GT |
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#5 |
Registered Member
Join Date: Mar 1999
Location: Canada
Posts: 66
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![]() I have the exact same setup with the crane equivalent of the e-cam. It has a noticable lope but I would double check your timing because mine sounded like a F-cam at first but that was at 2 deg. timing thanks to my crappy timing light,but it is still noticeable at 14 deg.
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#6 |
Guest
Posts: n/a
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![]() Your idle is way to low...raise it in the 800-900 range. And yes, the ecam's got a nice lumpy idle/sound. Not too much, but definitely noticeable.
------------------ '90 LX 5.0;12K original miles (no sh*&);3.55 gears; March pulleys;Edelbrock Performer Heads;BBK 1 5/8" equal length shorties;MSD 6AL ignition w/ blaster 2 coil;FMS E303 cam;Pro-M 75mm MAF;BBK 70mm TB; Eibach drag-launch spring kit;Southside welded subs;9" K&N cone filter charger;Hurst shifter;Cervini's 3" turbo hood;A/C delete; gutted cats;2 chamber Flomasters;Corbeau racing seats;FMS 30# injectors;JMS chip; Holley 190lb fp;TFS track heat Intake (12.299 @ 113 - 1.78 60') |
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