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black88coupe · 12-23-2018, 08:00 PM

If it’s Speed Density from the factory you cannot run a cam with a lot of duration- it drives them crazy- unless your under WOT. Speed Density is vacuum sensitive. You would need to either switch to
Mass Air or get a chip burned- Or go aftermarket EFI.

12-23-2018, 08:00 PM	#7
black88coupe Member Join Date: Jan 2008 Posts: 352 Likes: 18 Liked 19 Times in 12 Posts	Re: Ford EEC IV computer If it’s Speed Density from the factory you cannot run a cam with a lot of duration- it drives them crazy- unless your under WOT. Speed Density is vacuum sensitive. You would need to either switch to Mass Air or get a chip burned- Or go aftermarket EFI. __________________ Mitch Beri- The Motor City 1985 GT- “Stock-ish” 5.0 motor, AOD/ trans brake. 12.68 @ 101.31mph. https://www.facebook.com/groups/FOXBODYFLEAMARKET/