[Healeys] Selecting a replacement CAM for BJ8

[John Vrugtman]

I'm running that cam on my 64.  It is very responsive at the low end 
compared to some other cams that feed in at higher rpm.  Had pockets in 
block, DW bucket followers and pushrods.  But I also have light modern 
pistons, lightened flywheel, DW headers and a DW fast road AL head and 
roller rockers, so your experience may differ.  Attached pic of block 
with pockets.

John
64/66 BJ8s

On 4/15/2017 7:12 AM, drmasucci at comcast.net wrote:
> Hi All,
>
> Well now that spring is here, I am resuming the rebuild of my BJ8 
> engine. The engine was rebuilt back in 1999, but since I'm doing a 
> full resto of the car, I decided to take a look at the engine. While 
> all other parameters were well within spec, the cam and lifters were 
> damaged. Back then I didn't know much about modern oils and the lack 
> of zinc, and since that's the only part of the engine that didn't do 
> well, I am assuming that must be why.
>
> So I am now trying to decide what to do. I can have my cam reground, 
> or buy new. Since I believe it was already reground and based on the 
> wear, I am thinking maybe new is the best choice. I am looking for 
> stock or mild tune only.
>
> I am not a pro engine builder, but I know the basics and am not new to 
> the process. I know that if I change something like the cam 
> parameters, I need to understand how that affects the rest of the 
> valve train. I looking for guidance on selecting the right components.
>
> I am considering the Welch DWR8 cam and lifter package. I understand 
> that I will have to machine pockets into the block for valve 
> clearance. I will be having the head rebuilt to basic stock parameters 
> as far as the valve gear is concerned. I need to determine how to 
> select the correct pushrods. Since this cam is drilled to feed oil to 
> the lobes, do I need to make other modifications to support that feature?
>
> So I'm looking for some feedback and recommendations from the list. 
> Has anyone followed a similar path on their 6 cylinder Healey?  Any 
> opinions, cautions, or advice would be appreciated. Is this cam my 
> best choice? Also if there are better options to consider I'd like to 
> hear that also.
>
> As usual, thanks in advance for any help.
>
> Dave
> 64 BJ8
> 72 XJ6
> 72 Bonneville
>
>
>

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