The 1275 engine which I bought out of the back of a barn (for $300), came apart surpassing clean. (Oh by the way that front pulley bolt was a bitch, my compliments to anyone who can get that off with
I don't know you expertise in this area, so... If you haven't done so already, the bores need to be checked for taper and out-of-roundness. The crank and cam should be mic-ed to see if it is in spec
i decided to forward my answer to the list. possibly someone can shed some light on my ramblings here or benifit from my ramblings? chuck. during be lobe boring. to just and the more on you like came
The block has been hot tanked. Everything is being measured at the machine shop, but it looks like there is no need for a grind on the crank. A new cam and lifters are in the works. The strange thin
I should think a Cooper "S" or Kent 256 would be all that you require. Depending upon bore, head shaved to give you about no more than 9.5-1 with 30 degrees of advance or so. You might time the Coope
Some 1275s came with sleeves, All the sleeves I have seen came in the 12CC blocks (circa 1967 or the "early blocks") Pitted lifters happen, usually when an engine sits the pits are rust pits from co
I can add one more to the "confirmed list". I opened up a 12CC block last year to find it had sleeves too. (also the nitrided crank...'-) One machinist who looked at the engine felt that the sleeves
I had one with only 2 sleeves, It was re-ringed and still runs fine in the A40. I never paid much mind to how the sleeves were since I know many 12CC blocks had 1-4 sleeves. Note on 12CC blocks, new
Thanks for the tip on the waterpump. That is something you don't want to find out the hard way...'-) -g -- Please visit Four Points Travel - Discount Online International Travel Reservations http://
Ditto on the nitrided crank, my 12cc also came with one. And to think, I got engine for free.... wrapped nicely in a Mk III Spite. Machine friend and fellow racer had taken it in on trade for service
That is what I referred to as "wild". Seems to be typical/normal. Gerard -- Please visit Four Points Travel - Discount Online International Travel Reservations http://www.gerardsgarage.com/fourpoints
A stock 1275 in a bugeye is fine. Try a header and do some polishing and matching of the ports and combustion chambers if you want a little more kick. While the cylinder head is being done you might
Here's a good site for DIY head work - note the section on cutting the valve shrouds. Vizard talks about this in his book, and, I believe, gives geometry as well: http://home.hiwaay.net/~langford/cor