mr_mustang23

my friend just picked up a 67, 289 mustang. and he tells me it has 275 horsepower. now i know they made 3 types ofv8s that year. i was just wondering how can i tell which type of v8 he has. i dont know how to tell


thank you

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MODS:
K&n drop in CAI
no mufflers
FRPP 4.10s

flyingfool

look for the block casting number. or any casting numbers really. they can all be decoded off of many sites linked to this one

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67mustang302

Is it even stock?

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Who cares how much horsepower it has, all that matters is how fast it goes!

Best run 13.23 at 106.97mph with a 2.183 60'
Times from before tune and driver mod.

Aussie66Fastback

Start with the Vin number. that will tell you what it should be. then you can get help to identify what it really is.

Chances are its been rebuilt at least once and quite possibly is not the original block.

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67mustang302

My 67 is on it's 3rd block and 4th engine if my recconing is right.

__________________
Who cares how much horsepower it has, all that matters is how fast it goes!

Best run 13.23 at 106.97mph with a 2.183 60'
Times from before tune and driver mod.

kalli

christ :-) what are you doing with them?


as towards 275HP
1. as outlined above there was a 271HP model 289, which was rare and highly saught after.
I guess if it would be one of them it would have been advertised as 271 (not 275), so it's probably none of them
Check on the VIN if you can find a K as engine designator. If you have one, consider yourself lucky ;-)
That does not mean the original engine is still in there

2. The car you have could have been an original 6 cylinder, or 8 cylider and then upgraded. You will only be able to tell with checking on the VIN (to see what the car started out as) and then checking on the engine that is already in there.
most stock V8s are at 200HP flywheel, but a nice set of headers, exhaust, intake, carb and cam would bring you to such a 275HP flywheel margin. If the car has aftermarket gigh flow aluminium heads you can push easy over 300HP flywheel. Hope that answers your question.

To find the HP without a dyno you'll probably have toi rely on your bum-meter ;-)

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1964 1/2
289 2bbl (autolite 2100) with holley headers and flowmaster 40s
new: Quick Performance Racing 9" rear, Moser axles, 3.5:1 trac loc from FRPP and T5. CSRP disc brakes front and FRPP discs back. New wheels and tyres
http://www.gascc.ie

67mustang302

It had an early 302 swap in it when I got it, so it was already on it's second engine. It started to get tired so I had a roller 302 built for it, that the builder built poorly. It floated before it even got to peak hp and a piston was crammed in a bore too tightly. So I decided to rebuild it myself, that's the one I'm on, and it ain't about to float or have anything gall up. It did recently lose a thrust bearing(a product of modern crappy additive oils and a heavier than stock clutch) so it's getting a new crank, which I want to try and put in today.

__________________
Who cares how much horsepower it has, all that matters is how fast it goes!

Best run 13.23 at 106.97mph with a 2.183 60'
Times from before tune and driver mod.

kalli

i'm convinced you'll have fun putting that in. Everyones big into projects today. Could have done it in the winter ... but no .... :-)

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1964 1/2
289 2bbl (autolite 2100) with holley headers and flowmaster 40s
new: Quick Performance Racing 9" rear, Moser axles, 3.5:1 trac loc from FRPP and T5. CSRP disc brakes front and FRPP discs back. New wheels and tyres
http://www.gascc.ie

jlg2002

check the VIN if it reads 7_ _ _ K _1234567 its a true 271 HP . If its has aC its a 200 HP and if it has an A its a 225 HP engine (if original)

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66 "C" code coupe bench seat

Nev

Check your VIN here:
http://iml.jou.ufl.edu/projects/stud...el/default.htm