Thanks Pete - 3 11/64 +.015 -0 i have in my notes. but not sure from where I got it. i had forgotten about that.
...or 3.172 as you wrote.

with a skim of that size, any issues with valve/piston clearances? i am guessing you have to be careful with rockers & cam. what squish are you running?
G

I have found that the hi perf Osram and Phillips bulbs give good light, but the bulb lifetime suffers - a lot.

seem to be replacing one every year. and i never drive at night. always MOT time....
G

thanks
G

I have not seen +90 pistons for sale. has the block got liners? a typo? reading upside down? most engines get a bit of swarf at oil change - i have a magnetic sump plug so you see them. but more like iron fillings not pieces. but to be on the safe side you could get parts inspected. sounds like it n...

you can buy M9...
G

thanks, G

you WILL need to change front engine plate as chrome engine mounts will not interchange and plates are quite different. you will need plate and the two brackets that hold the mounts.
G

It could do with a repaint. it has single valve springs. i will check the valves for leaks but have no reason to suspect they are leaking. no signs of such. I do not know if it has unleaded seats and anyone who tells you that they can tell....well let Mr Burgess know as he said to me that's it's pre...

if it is stripped, tap it to M8 - metric, or if if it's too far gone could go to 3/8 or 10mm.
G

I will shortly be selling my 12H2709 if interested. Got my modded head back (for my supercharged engine) from Peter Burgess and just removed my 12H2709 which I have been running for the last 3.5 years. I have had no issues at all and though I will be buretting it tomorrow it looks to have plenty of ...