68 Coupe with a 6 cylinder?

Red73 · Oct 25, 2004

My buddy has a 68 coupe with a numbers matching 6 cylinder and he thinks the value will increase? I'm trying to convince him that he needs to upgrade to a crate motor and upgrade the tranny, rearend and brakes to match. Is there any value in a 68 coupe with a 6 cylinder or do I continue my pursuit to make this a nice "G" machine? Thanks, Rod

6Stang7 · Oct 26, 2004

How is it matching #'s? That is a GM thing, not a Ford.

rbohm · Oct 26, 2004

the value will increase, but not like a V8 car would. as far as swaping to a V8, yes you could do that, but why? a well built 300 from a truck in the 68 with an AOD and say 3.73 gears will spank many modified V8's, including some of the vaunted crate motors.

Max Power · Oct 26, 2004

LOL...are there any six cylinder coupes where the numbers don't match?

It's not of huge value. 6 cylinder coupes are the least valuable Mustangs out there of the vintage era. Tell him to do whatever makes him happy.

Red73 · Oct 26, 2004

Thanks, I didn't realize that the "matching numbers" thing was not a ford thing sorry. I'm looking to get my hands dirty, spend my buddies money and help him build a nice car. Looks like I need to do a little more research on what's out there for his car. Thanks for the feedback. Rod

65fastback2+2 · Oct 26, 2004

Red73 said:
Thanks, I didn't realize that the "matching numbers" thing was not a ford thing sorry. I'm looking to get my hands dirty, spend my buddies money and help him build a nice car. Looks like I need to do a little more research on what's out there for his car. Thanks for the feedback. Rod

Ya, numbers matching was something GM did with the corvette. They stamped most parts with the vin of the car. Ford didnt do this, some parts on Fords are date coded, but thats it, no vin.

Snail50 · Oct 26, 2004

It's only a 6 cylinder. bust out the cutting torch.

j/k. it will appreciate in value if it's upkept, just nowhere near what a V8 will, and obviously not what a special edition car will. IMO it also won't appreciate enough to make it worth depriving yourself of the satisfaction of building a real kick-@ss modified car out of it.

reenmachine · Oct 26, 2004

Agreed. 6-bangers are great cars to modify because they're still relatively cheap. Keep in mind though that swapping in a V8 also means changing your front suspension and the rest of your drivetrain if you want to do it right and be safe.

The closest thing to matching numbers for this car is just making sure that the date codes cast into the engine parts slightly precede the car's build date. It's a big deal for the Cobra Jet/Boss/etc. purists but not for a 6-cyl coupe.

Most of the K-code 289 HiPo cars had the VIN stamped into the block, some didn't. In this case, matching numbers are important (if you care about such things).

TheWolf · Oct 27, 2004

Just to throw another idea at ya. you can fix up the six and get a lot more power out of it. It will certainly be different. A stock 81 truck 300's torque rating was only surpassed by the 400 and larger engines of that year. just a little something to think about.

MustangMatt1966 · Oct 27, 2004

Supercharged 6 cylinder? is that even possilble? i think it is.........just an idea

TheWolf · Oct 27, 2004

MustangMatt1966 said:
Supercharged 6 cylinder? is that even possilble? i think it is.........just an idea

There was one in an old M&F I have, I've seen a few turbo's too. of couse its all custom done.

MustangMatt1966 · Oct 27, 2004

ahhh i c, well anything is possible if you put your mind to it.....how sick would that be to have a built and supercharged 6 cylinder.......

Old Blue · Oct 27, 2004

damn, i had no idea the six's were so potent!

can someone please give some numbers on these engines? hp and torque. And some numbers as to what they will take before they lose their bottum end, and or drop the pistons like a wet pair of shorts?

i thnk the prospect of building a super six is intreguing, i'll bet few do it these days with all the 8 muscle around

mustangbrad · Oct 27, 2004

I like the hot I6 thing too. These engines have some real potential. I just saw an article the other day about an Austrailian Ford I6 turbo (this is one of the engines they use in the Falcon) making a reliable 1000 HP! Granted the Ausie was aluminum and had DOHC, but 1000 HP from a I6 with a TQ curve as flat as a table, is just insane.

mustangbrad · Oct 27, 2004

I just found a link to the article I mentioned above.
http://www.autospeed.com/cms/A_2311/article.html

MustangMatt1966 · Oct 27, 2004

that is so crazy....those pipes are like moltent hot........place your hand on that sucker and you wont have a hand any longer

Red73 · Oct 27, 2004

So if we drop in a crate motor such as this:
http://www.fordcobraengines.com/302_345hpCarb.htm

which overdrive (5 speed) tranny (stick) would be best with a 3.70 rearend?

also, would it just be a front spring change to handle the addition engine weight or do the steering components also need to be changed?

is there a direct fit aluminum radiator (Griffin, BeCool, etc..) and electric fans (flex-a-lite, etc..) setup that would work?

b

Old Blue · Oct 28, 2004

Red73 said:
So if we drop in a crate motor such as this:
http://www.fordcobraengines.com/302_345hpCarb.htm

which overdrive (5 speed) tranny (stick) would be best with a 3.70 rearend?

also, would it just be a front spring change to handle the addition engine weight or do the steering components also need to be changed?

is there a direct fit aluminum radiator (Griffin, BeCool, etc..) and electric fans (flex-a-lite, etc..) setup that would work?

b

holy crap! for $5,000 i think you can do better! Try this motor on for size

http://www.coasthigh.com/Assemblies/Ford/ford_347.htm?Submit33=347ci

you can get a top of the line long block 347 stroker motor with 400 HP for $1,000 less

as far as the front steering componants, i think they can stay stock. probably will need heavier springs though.

Aluminum radiator with electric fans is a good idea. though waterpunp fans are still ok if you are wanting to stick with a more vintage look.

i have a vintage 69 428CJ radiator cooling my 347 and it cools it plenty, as well as the stock flex fan. i like the vintage look

Old Blue · Oct 28, 2004

mustangbrad said:
I just found a link to the article I mentioned above.
http://www.autospeed.com/cms/A_2311/article.html

i take it this is a neerw block than the I6's in the late 60's mustangs.

2 questions;

1) what gargantuan, mondotron, astronomical price for a motor like the one in that article.

and

2) what is the classic I6 block capable of?

mustangbrad · Oct 28, 2004

I doubt the 1000 HP I6 in Austrailia shares anything with any of the American I6 ever prudeced. We can only hope that, some time soon, Ford will bring some of the cool Ausie. stuff here like the 400 HP 5.4L BOSS and the turbo I6. The 500 will get old fast if they don't put some muscle in it soon.

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