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  Cougar with mystery engine - help!

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Author Topic:   Cougar with mystery engine - help!
bcrossuw
Journeyman

Posts: 3
From: seattle
Registered: Aug 2002

posted 08-06-2002 02:16 AM     Click Here to See the Profile for bcrossuw   Click Here to Email bcrossuw     Edit/Delete Message   Reply w/Quote
I am the proud new owner of a '67 cougar. My problem is that I don't have much experience working with engines, so I don't know what I've got.

I was told: Its a 302 w/ 351 Heads.

Here's what I can see: Holley dominator series intake, Holley 4 barrel 750 carb, dual hi-flow exhaust, c4 automatic transmission.

I was also told that the engine had been "rebuilt", but that after getting the engine running, the transmission was pulled and then put back together such that the flexplate/flywheel was bent. The engine is pretty clean, but not steamed or painted. The engine oil is very clear when pulled from dipstick - synthetic i guess?

What do I have? when they swapped for 351 heads did they have to swap cam/pistons/rods etc? Did swapping the heads change the compression? 10.5:1??? What would they have had to have done to install the 351 heads. Should i be able to tell what type of heads they are? how? i'm assuming they are 351c or 351w heads - they are not a brand new set of heads.

I am about to pull the transmission to check out this flexplate - i'm worried it may not be as simple as swapping the flexplate.

Thanks for any input any of you might have. Whoohoo! my first V-8 muscle car (if i can just get it to run)

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bcrossuw
Journeyman

Posts: 3
From: seattle
Registered: Aug 2002

posted 08-06-2002 02:21 AM     Click Here to See the Profile for bcrossuw   Click Here to Email bcrossuw     Edit/Delete Message   Reply w/Quote
One more thing - i've read that the 302 wasn't available until '68, so I guess it must not be the origional engine. Right?

Thanks again

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DaveK
Gearhead

Posts: 254
From: Sterling, VA
Registered: Dec 99

posted 08-06-2002 09:00 AM     Click Here to See the Profile for DaveK   Click Here to Email DaveK     Edit/Delete Message   Reply w/Quote
If it's a 302, that Holley 750 is WAY too much carb for that engine. You should be looking at something in the 600 cfm range.

Installing 351 heads on a 302 is a fairly common swap. The only thing necessary to install the heads is different head bolts. Everything else can remain the same. Since you said you had a Holley intake, you have 351W heads. If you had 351C heads, you'd have to have a custom intake to fit.

If there isn't any vibration while the engine is running and the engine starts without making funny noises, I wouldn't worry about pulling the transmission to check the flexplate.

And you are correct, the 302 wasn't available until the '68 model year.

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kwazykat
Moderator

Posts: 7456
From: ...a wonderful place to be.... orange county... NC!!!! M&M member #92 .... a blue-oval GRRL-deluxe.....
Registered: Jun 99

posted 08-08-2002 12:55 PM     Click Here to See the Profile for kwazykat   Click Here to Email kwazykat     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by bcrossuw:
I am the proud new owner of a '67 cougar......

aaaahhhhhhhhh!!! there is nothin' like being a new owner of a classic cat!

welcome to M&M..... keep us posted and send some pics of your new kitten!!

kaylin aka kk

------------------
the original GRRL...
ford true-blue-blood
62 fairlane 500 sports coupe, she will be my street-legal-drag-racing-machine (CHIKCOOP)
66 fairlane 500 4-door (waiting for a new home...maybe)
67 fairlane 500 ranchero (SPUNKY67) currently undergoing a heart transplant... from a 302 to a 351W
carolina cougar club
cougar club of america
67 cougar: dan gurney special (KWAZYKAT)
69 cougar standard convertible (KATSMEOW)
84 F150 (TRUKGRRL)
the only polish on my nails is "ford grease black"
https://mustangsandmore.com/ubb/kwazykat.html

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