This is topic what spark plug and gap for 347 stroker? in forum Tech Talk at Northern California Ford Owners  .


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Posted by East Bay 50 (Member # 8081) on :
 
I have an AFR headed 347 and was wondering what plugs i should use and how much should i gap them? thanks!
 
Posted by 79 cobra (Member # 10137) on :
 
boost/ na/or nitrous
 
Posted by East Bay 50 (Member # 8081) on :
 
quote:
Originally posted by 79 cobra:
boost/ na/or nitrous
n/a
 
Posted by 79 cobra (Member # 10137) on :
 
autolite 3924 gaped @ .35-.38
 
Posted by triple b (Member # 8763) on :
 
thats small gap (^) u have a ignition upgrade/
 
Posted by 93coupessp (Member # 8418) on :
 
38-42
 
Posted by 86- 50 (Member # 4723) on :
 
I have mine at .54.

[ December 30, 2011, 12:58 AM: Message edited by: 86- 50 ]
 
Posted by stangrus95 (Member # 10653) on :
 
Sorry to use this 1 for myself also but I have gt40x heads and I have the right mortorcraft plugs but what should it be gapped at?
Does a smaller gap mean more power or something?
 
Posted by turbo50 (Member # 6700) on :
 
Put em at 42 and call it real
 
Posted by Slowmo (Member # 9712) on :
 
Dan is right. 42 is money.
 
Posted by East Bay 50 (Member # 8081) on :
 
i gapped them to 42. thanks guys
 




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