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If I just wanted a nice hop-up without going silly, I'd leave the cam there. The factory specs are actually pretty decent for a silly stocker; lots of numbers bouncing around but 214/210 @ 0.050" is what I can find on the later (post 88) engines. That's what cam companies would class as between a stage 2 or 3 cam in the old days. If I wanted to chase a bit of power, I'd focus on the heads. A port job/bigger valves or GT40Ps will wake it up, and 1.7 rockers with good valve springs will help too. Replace the timing set as it's probably worn and might be retarded from factory (Thom?) Sent from my CPH1607 using Tapatalk

I've read that the E303 motorsport cam is a popular, all-round, ECU-friendly unit. Slight lope at idle, 220@ 0.050", 110 lobe sep. Probably not far off what you have in your crossy Chestnut. Sent from my CPH1607 using Tapatalk

factory specs on the cam ,i came up with 1000rpm to 4700 rpm,and 117 lobe centres ,that e303 ford motorsport cam looks nice,summit does cam n lifter and new spider and new cam retaining plate for $473 us dollars.

25th June 1991 casting date on the cylinder heads. What does the block casting date say?

what's the intention for this engine? slap it back together with new rings and bearings or hot it up and fit to XF ute?

The pic of the head casting shows "CF", or Cleveland Foundry. It's a clevo [emoji23] Sent from my CPH1607 using Tapatalk

That lifter looks like it has some nasty scoring at the top. It’s hard so see but that lower part above the roller could be overheated?? What do the lifter bores look like?

Looks like std bore pistons but how do you tell if its the forged ones ? Sent from my SM-G570Y using Tapatalk

Head numbers ,double chain,roller cam Sent from my SM-G570Y using Tapatalk

What are the casting numbers on the heads? It’ll be underneath the rockercover in amongst the rockers