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Rebuilding a 1978 Mercury cougar

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Aug 19, 2011, 2:13 AM

Post #1 of 7 (1837 views)
Rebuilding a 1978 Mercury cougar Sign In

Can you switch carburated engine to a fuel injected engine. Also looking for cougar parts and a 302 for sale

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Hammer Time
Ultimate Carjunky / Moderator

Aug 19, 2011, 6:11 AM

Post #2 of 7 (1819 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

That requires a computer to operate it and all the integrated wiring. They sell aftermarket kits to do that but I don't believe I would recommend them.


We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

Tom Greenleaf
Ultimate Carjunky / Moderator

Aug 19, 2011, 7:21 AM

Post #3 of 7 (1814 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

Ditto with HT: Keep it OE. Owned a 1979 w 302 2v carb. Decent car but a gutless wonder,

Long retired now

Veteran / Moderator

Aug 19, 2011, 7:39 AM

Post #4 of 7 (1808 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

Your best bet would be to get a fox body style mustang with 5.0L HO 88~94 and some 95's have them.. It's alot of work as mentioned above. you'll need a whole doner car.

Tom Greenleaf
Ultimate Carjunky / Moderator

Aug 19, 2011, 9:01 AM

Post #5 of 7 (1806 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

Just a note: Chassis of this car is much like the LTDII (70s), Torino of some years, a fairly rare Ford call Elite and perhaps some more.

First 302s were founded on famous 289 some with insane HP. This Cougar is a chassis car near exactly like the T-Bird of same year.

Notes: Carbs work fine if adjusted well and can produce all the HP you want.

Hard to even Google but check out Camaro, 1967, Z-27 w 302 (GM) 500 made and rated at 1,600 HP! Yikes! Others, Ford made an "R" code 427, chrome air cleaner said 390 HP - wrong - was really 540 put in light Mustangs and Cougars in the 60s. Yikes! You could feel your hemorrhoids flying into the trunk! Smile. Not mine but drove that Cougar - absolutely amazing w trick factory C-6 trans could blow anything away. Only saw the Camaro at car shows,

Long retired now

Veteran / Moderator

Aug 19, 2011, 1:54 PM

Post #6 of 7 (1795 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

You have to admit EFI does have advantages when it comes to drive-ability when it is working properly. I agree that a 5.0L EFI setup out of a Mustang/Lincoln/T bird would be nice. It's work and cost money, but would be a nice addition. HO has roller lifters and you don't have to worry about today's oil, that has less zinc, rounding off a cam lobe. The ethanol doesn't help in carbs either. Just an opinion.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

Tom Greenleaf
Ultimate Carjunky / Moderator

Aug 19, 2011, 7:35 PM

Post #7 of 7 (1782 views)
Re: Rebuilding a 1978 Mercury cougar [In reply to] Sign In

Ethanol: So true - carbs don't do well with it. Has ruined yard equipment and want to choke whoever made that some rule!

Long retired now

Rebuilding a 1978 Mercury cougar

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