5 min.
Top end tales
No engine overhaul is a cheap procedure so, when you’ve sunk a lot of time, effort and cash into the overhaul of your bottom end, it makes sense to treat your top end to some love, too. Sure, it’s possible, and perfectly acceptable, to hone barrels, de-coke pistons, fit new rings and then have your heads chemically cleaned, fitted with new guides and valves and bolt it all back together again. However, you can soon spend a lot of time, and a fair chunk of cash, reconditioning worn-out parts. So, having priced both options up, we concluded it wouldn’t cost a lot more to replace the barrels, pistons and cylinder heads with brand new parts. Not only does this save you a lot of time, it offers an additional level…
