The Ford Barn

Blu Dice · 08-30-2015, 10:54 AM

I have read that 6.5 is stock for a 94, mine is marked 7.5 - I assume someone has rebuilt this at some point. So what would I notice in performance to switch to a 6.5 - anything much?

flatheadmurre · 08-30-2015, 11:42 AM

7.5 is a standard.
Putting in a lower number is to let the powervalve circuit kick in later.
A bit up to if you want the power or mileage to.

flatjack9 · 08-30-2015, 04:23 PM

To answer your question, you will not notice any difference.

4t8v8 · 08-30-2015, 05:18 PM

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As I didn't have anything else at the time I put an 8.5 in mine. Couldn't tell it made any difference.

08-30-2015, 10:54 AM	#1
Blu Dice Senior Member Join Date: Jul 2010 Location: Plainfield, IN Posts: 360	Power valves I have read that 6.5 is stock for a 94, mine is marked 7.5 - I assume someone has rebuilt this at some point. So what would I notice in performance to switch to a 6.5 - anything much? __________________ 4 doors are better than no doors!

08-30-2015, 11:42 AM	#2
flatheadmurre Senior Member Join Date: Apr 2015 Location: Sweden Posts: 3,045	Re: Power valves 7.5 is a standard. Putting in a lower number is to let the powervalve circuit kick in later. A bit up to if you want the power or mileage to.

08-30-2015, 04:23 PM	#3
flatjack9 Senior Member Join Date: May 2010 Location: Oshkosh, Wi Posts: 4,527	Re: Power valves To answer your question, you will not notice any difference.

08-30-2015, 05:18 PM	#4
4t8v8 Senior Member Join Date: Nov 2011 Location: NW Arkansas Posts: 524	Re: Power valves Sponsored Links (Register now to hide all advertisements) As I didn't have anything else at the time I put an 8.5 in mine. Couldn't tell it made any difference.