This is topic rpm cuts out in forum Tech Talk at Northern California Ford Owners  .


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Posted by 79 cobra (Member # 10137) on :
 
i got a 347 with windsor heads 5 angle valve job 1.90 intake and 1.60 exuast valves, xe282hr cam,holley intake ported 2 match heads, got 24lb injectors with 85mm matching mass air, cai and 10:5;1 compression and a 255lph intake and a 255 inline fuel pump also got a anderson pms .

WHEN IT GETS 2 5000 RPM IT STARTS 2 CUT OUT AND WEN IT HITS 5500 SOUNDS LIKE IT HITS A REV LIMTER BUT ON MY PMS THE REV LIMTER IS SET AT 7000 DONT NO WATS GOING ON
 

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Posted by forced331 (Member # 1270) on :
 
Do you have an aftermarket ignition with rev limiter? Check wiring on coil, make sure nothing is loose. Also check to see if you have a cracked or damaged spark plug. If you do have an aftermarket ignition and the rev limiter is set above 5.5k, try bypassing it to see if the ignition is going out.

[ December 04, 2010, 12:15 PM: Message edited by: forced331 ]
 

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Posted by 79 cobra (Member # 10137) on :
 
ALL SPARK PLUGS ARE GOOD ONLY GOT MSD BLASTER COIL AND MSD BILLET DISTRBUTOR AND ALL ARE BRAND NEW
 

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Posted by JohnB (Member # 969) on :
 
Have you checked the fuel pressure?
 

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Posted by 73 on DUBS (Member # 5677) on :
 
you mite need bigger injectors
 

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Posted by 79 cobra (Member # 10137) on :
 
FOUND THE PROBLEM FUEL PRESUURE DROP 2 32 PSI AT WOT @5000 AND 5500 ITS AT 29PSI NEED A BIGGER FUEL STSYEM
 

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