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LONG CRANK TIMES AFTER SITTING OVERNITE

Home Forums Stay Dirty Lounge Service and Repair Questions Answered Here LONG CRANK TIMES AFTER SITTING OVERNITE

This topic contains 0 replies, has 1 voice, and was last updated by G E HUEY G E HUEY 3 weeks, 1 day ago.

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    G E HUEY
    G E HUEY
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    Thanks for what ya’ll provide Eric & staff. I’am a long time car guy, Ideal w/c4 & c5 corvettes. Eric i’am havig a long crank time on my personal 1985 c4 auto tranny corvette. this started 8-10 mo. ago. Thee car is most ly driven wknd’s & to car shows.It is basicly stock w/a 406 cu.in. engine w/aftermarket Accel Super Coil,Accel Dist. cap+rotor,ACDelco Plug Wires,NGK Spark Plugs along w/the upgaded 7-pin module. Also I replaced the updated Oil Pres. Switch. THINGS I HAVE PERFORMED: FUEL PRES. CK= @ IDLE=39 psi; W/GAUGE TAPED TO WNDSHLD GOING DOWN HI-WAY ABOUT 38-39 psi > WHEN I SMASH IT PRES. GOES TO ABOUT 42-43 psi. Also have a water & fuel seperator in place of external fuel filter under vehicle,also I change in-tank sock filter every 2-3 yrs.Also I’am running 28# flowed & tested injector’s from FIC. A do have AN ADJUSTABLE FUEL PRES. REGULATOR. It adjusts fine. THE fuel pres. holds approx. 30 min. w/ minimal drop. Also this engine has the 9th injector & from the factory service manual test procedure of this circuit, it ck’s out OK. NOTE:AFTER INITIAL START DOES FIRE @ 1-TURN OF INGNITION CYCLE, BUT AFTER OVERNITE SITTING WANT FIRE-UP BEFORE CRANKING ENGINE OVER 5-7 TIMES. Ihink it starts after The ECM sees oil pres. over 4-5 psi. Once again many THANKS for what u stive to do. C4MEL98,HELP!!!

    • This topic was modified 3 weeks, 1 day ago by G E HUEY G E HUEY.

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