am curious as with stangs to convert from a I6 to a v8 will entail underchassis work unlike a GM. so what exactly happens if no underchassis work is done.will the front sag so bad that the tires will hit the wheel well even at a standstill?

i have a know-it-all mechanic that says that the C-code we have restored is actually a six since he claims it stands lower yet it is obviously a C-Code and has the inner fenders that indicate it was a C-code and that it has the unmanipulated 5-stud wheels. Now he says that his remedy would be to place a spacer so it will stand slightly higher...What? i said...if it really is a 6 masking to be an 8 it will need more than just a "spacer".

so what are the symptoms of a six that hasnt be converted to take in an 8?

 

pull the wheel off off and see if its a 5 lug or a 4 to 5 lug converter thing vin number is the easist way and the rear is tiny its a 7 point something inch not the 8 or 9

 

Any chance your front springs are just sagging? (Maybe you just replaced them with your restoration.) Also, take a close look at the shock towers to make sure they aren't giving. Seems to me it'd be unlikely that they'd both give at the same rate (if going or are bad).

Andrew is right, check the rear differential. I'm guessing you're going to find an 8 inch back there.

As a side note, an 8 cylinder in a 6 cylinder without any front chasis work will not sag *very* bad. Sure, it looks lower than stock but certainly does not come close to rubbing. It is with dismay that I can speak of this first hand...

 

Its your lucky day im doing that conversion today/this week, and like andrew said 4 lugs not five, then look at the rear end it will have 8 bots if its the 7.5" rear, if the springs havent been changed the front end will sag a little mine sags about 1/2"-3/4" not to bad, but i got new springs coming in. which are a must.

 

Time for a new mechanic?
There are many reasons that a car may be lower than original ranging from worn springs to intentionally lowering the car.
If you have a C in your VIN (title, door tag, or driver side fender in the engine compartment) then you have good assurance that your car came with a 2V V8.
If that is not enough for you, check the FAQ section for the I6 to V8 conversion... it lists the functional parts that are different between the two.

 

I am of the opinion that your "know it all mechanic" dosen't know what he is talking about with regard to this issue, and in regard to this issue, he is FOS.

Beside the point, I think Mustangs look better when they are lower than stock in the front, I am not a fan of the "always going uphill look".

 

i suspect the guy may be talking through his a**. why?he was the guy who said matic and manual trans have different diffs...huh? and said something about the stock 65 radiator being different for a 6 and an 8.

anyway all vins point in the right direction even the one hidden under the passenger fender side. also will check the diff tomorrow. thanks guys.

pics attahed...not too saggy looking to me.

 

The rads will be different between a 6 and an 8, the 8 needs more cooling

 

IMO, your car is not "sagging" in the front at all.

ifthe frontdoes start sagging too much in the future you can always get a bra for it.

 

the front end looks about normal ride height to me look at soarings car his sits like that too and its stock