Get a 3000 block. You will spend way too much money to get a 100-6 block out
to 3000 specs, and that is only if you can safely do it. I seriously doubt
it. I looked into it at one time as I had a 100-6, 2639 cc block, and stock
3000 pistons. I decided against it. I could not even give the block away .....
it went to the scrappers. Everything is the same on a 100-6 engine (other
then 2 port head) as a 3000 engine except for the rods and pistons. Get a 3000
block and bore it out .030. Have your cam re-ground to the Isky T-3-6
profile. Lighten your flyweel and do a Toyota 5 speed conversion. Enjoy!
Richard Mayor
BN7L-466 Vintage Racer
Portland, Oregon
> Date: Sat, 17 Mar 2012 19:26:07 -0700
> From: lostboys65 at yahoo.com
> To: healeys at autox.team.net
> Subject: [Healeys] Engine help
>
> Ladies and Gentlemen,
>
> Need some technical information. I have purchased a
> 1957 BN4 Longbridge 100 6 with the 2 port head. I have the head and
manifolds
> from a 3000 that I want to transplant.
> 1) Will the rocker assembly transfer
> to the new head?
> 2) Do I need to get a different cam to account for the new
> valves?
> 3) Can I overbore this block to 2912cc without issue?
> 4) What else
> do I need to know to make this work?
>
> Thanks
>
> John Roesle
> Shawnee, KS. 66227
> 913-687-1654
> lostboys65 at yahoo.com
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