Nice car, I haven't seen XC Fairmont coupe around for a long time. What's the condition like? Being half assembled I assume someone has had a bit of a go at it.
302C never had 4V heads, only GT Falcons with 351s had 'em. You don't want them anyway, Open Chamber 2V with 4V valves are the go. 302 will have Closed Chamber which makes the compression too high for pump petrol (will run but will ping and run on etc).
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You know, somebody actually complimented me on my driving today. They left a little note on the windscreen. It said, 'Parking Fine.'So that was nice.
XC Fairmont Coupe.
Only 2 full production XC coupe models were produced. These being "Falcon 500 G.S." and "Fairmont". The "Cobra" was a limited production model that was based on the Falcon 500 G.S., unlike the previous G.T. which was based on the Fairmont trim package. The Fairmont included most of the G.S. goodies (except driving lights, it had square head lights and no quarter panel scoops on Fairmont). It also had extras that the Farimont sedan didn't have like 14" Volante alloy wheels and sports dash. It also had the sports bonnet which included hood scoops but no external locking pins.
All V8s in XC had small port (2V) heads. The difference being chamber size.
I have had my XC GS Sedan since 1988 and in that time have removed nearly every bit of it for some reason or another. If you want any tech info just ask, I also have original factory workshop and owner's manuals.
I remember reading somewhere that a few XC 302s came with big port 4V heads but it could just be another Ford urban myth. It is likely you just have the small port 2V heads.
What other specs does your car have g/box, paint, trim, a/c, other options??? The only thing fairly rare on mine is a factory long range fuel tank (125 litres). It only gets filled once a month but I get a lot of comments when I do.
Even had one guy ask why I didn't get a smaller tank so it would be cheaper to run! The small amount of extra fuel I carry around on average is more than offset by being able to buy petrol when it is cheapest.
Congrats on your purchase. :s5
302's never had 4V heads but some came out with 4 barrel manifolds and Ford called it 302 4V hence the confusion.
A good idea when and if you rebuild your engine is keep the 302 heads and rods and put a 351 crank in it.
There are hypereutectic pistons made to suit this combo from ACL.
it is easy to tell most 4v heads.... they have a 4 on each corner at top. Mine do :) and as for 4v heads being too big you get the ports filled across the bottom by someone who knows what they are doing and they will hammer what you will get from 2v heads.
As for the pinging... i would rather have my heads have hardened inserts and good valves so i can run optimax than decompress and lose the power potential. Also, NEVER put champion plugs in your cleveland. You want to hear PING give them a go. GTHO 4 has the right idea with the 302 rod/351 crank combo though. My mate bdave351 runs half optimax, hlaf hlaf lead (!!!) and he reckons it runs much better. Truth be known all cleveland heads are very durable and with good valves you can get away with unleaded, premium being the go of course, without much fuss. A good time to do all that would obviously be if you swapped the crank. Go off... strooooke it :)
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XC Coupe
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