The V8 Owners Forum -

37A with a 9.75:1 will be a TVR 350i engine

In my experience standard nylon teeth timing wheels can eventually crack - I have seen this 1st hand, but this is usually only on high mileage pretty worn out engines

Nice work on the manifold Mark, you opened it right up like I said, only thing you could really improve is radiusing the 'narrower' side for better flow. By using an open 2" spacer you are effectively using it as a single plane 360 manifold (to use it as a 180 dual plane you add a spacer plate ...

One of the most common examples of an external balanced V8 is the 400 small block Chevy, they have both counterweighted front cranks damper and a counterweight that bolts to the back of the crank/flywheel area - easy to find pics of these on a search engine if you need to see an example

Mark, Looking at what you have done to the Rover manifold (photos posted) so far it would appear that you have a lot of machining work to do still. To do the job properly you have to mill (on a milling Machine or CNC VMC as I used) out the rectangular ports going down into the lower manifold until y...

I bought a 3.5 V8 engine which has a 20A prefix (3.5 EFi aussie 1982 - 87 Sd1 spec) but all production engines numbers I have seen end with an A, added to that it is number 00005. The engine seems to be devoid of casting dates (unusual) except the rocker arms which are 1980, was wondering if anyone ...