read DMs/my profile login | join CAFords | search | faq |

» Northern California Ford Owners     » Automotive   » Tech Talk   » Spark plugs

Email this post to someone!

Author Topic: Spark plugs ALL STOCK LX ¯ Member # 9635 posted                              Just put some trick flow heads on my 91 fox and now my spark plugs are black and preventing spark. Does anyone know what that means and what's the best spark plugs to go with Posts: 73 | From: Were da cash at | Registered: Nov 2009  |  : 89bluenotch ¯ Member # 7454 posted                              I usually just use the cheap autolites 3924's i believe -------------------- -Gunnar 89 coupe 54 f100 R.I.P. SILVERLX Posts: 1857 | From: HEALDSBURG | Registered: Feb 2007  |  : ALL STOCK LX ¯ Member # 9635 posted                              That's the plugs I'm running but don't know why they are black Posts: 73 | From: Were da cash at | Registered: Nov 2009  |  : Adam5.0 ¯ Member # 6995 posted                              running rich. check for vacuum leaks -------------------- want something old and japanese Posts: 1609 | From: Brentwood | Registered: Aug 2006  |  : carlos604 New Member Member # 6180 posted                              what are they gapped at? they need to be at 35-40 but double check their website or call their tech line.... Posts: 9 | From: richmond california | Registered: Nov 2005  |  : ddarkslayer ¯ Member # 10688 posted                              whats your compression ratio now since you swapped the heads. 54 is the gap rating used for the stock E7 heads Posts: 307 | From: Folsom | Registered: Feb 2011  |  :

Printer friendly view of this Ford topic

Hop To: Select a Forum: Category: Automotive -------------------- Tech Talk Drag Racing Road Racing, Auto X & Drifting Events/Shows/Cruises General Talk Street Racing Category: Commerce -------------------- FOR(D) SALE: non-automotive classifieds Vendor's FOR SALE Section

Questions/Requests/Suggestions? email CAFords



Fueled by Ford Mustang Owners
on CaliforniaFords.com