[DeTomaso] Distrubutor Gear Chewed Up

[Daniel C Jones]

Thomas,

I've not seen that problem but I've not seen my cam, either.  I had it
directly sent to Dave Williams.  Dave, let us know what you find when
you assemble the engine.

Dan Jones


On 6/1/06, Thomas Tornblom <Thomas.Tornblom at hax.se> wrote:
> Speaking of steel roller cams, I just ran into an unforeseen problem
> today with my new Crane hydraulic roller cam. The threads for the cam
> gear bolt starts way too early, which makes the unthreaded part of the
> bolt shank bottom out before clamping the gear properly.
>
> It was just by sheer luck that I noticed. I got a box with random arp
> bolts from Summit today, and one of them was a new cam bolt. The
> supplied washer is slightly thinner than the stock washer, and when I
> tried to bolt down the gear, the bolt wasn't even close to reach the
> washer before it couldn't be threaded anymore.
>
> I compared it to the old cast iron flat tappet Crane cam, and the
> threads starts about 0.78" down the hole, and the bolt can be threaded
> almost to when the bolt head reaches the cam, if no gear is in place. On
> the new cam the threads starts 0.31" down the hole.
>
> Using the old bolt I get about 1/4 turn after the bolt touches the
> washer before the bolt bottoms out in the cam core.
>
> Is this a common problem, and are there any special short bolts for this?
>
> Thomas
>