The block didn't have a crack BEFORE he rebuilt it, as the OP was fine
before the rebuild...
My guess? Oil pump failed, or something else wasn't done right...
Eddie
oliver wrote:
> make sure he checks the block for cracks. i ran a car for several years with
> a cracked block, and low oil pressure until a different mechanic, trying to
> solve the problem, did a process that is similar to x ray.
>
> --- On Fri, 4/24/09, Eddie <eddietude@socal.rr.com> wrote:
>
> From: Eddie <eddietude@socal.rr.com>
> Subject: [Roadsters] Motor Blew with 19 miles on it.
> To: "Datsun Roadster List" <datsun-roadsters@autox.team.net>
> Date: Friday, April 24, 2009, 9:20 PM
>
> So you'll all love this:
>
> I take my car to the mechanic who rebuilt it today to get him to adjust the
> carbs and check why my oil pressure seemed low.
>
> (The dual carb thing is new to me, and he gladly showed me how to do it.)
>
> He couldn't figure out why the oil pressure was low, and assumed it must be
> because the car is supposed to be that way. I told him it wasn't. He said
> that he thought perhaps the sending unit wasn't properly matched to the
> gauge. I told him I didn't think that was the case either, and I suspected
> something internally was amiss. He insisted that was not the case, and he
> said
> he stands by his work if there is a problem.
> He said it would be fine, and if it was going to be a problem, it would have
> done it on the trip over to his shop. I leave, having a funny feeling about
> all
> of it.
> Long story short, I got about 3 miles from his shop, and with 19 miles total
> on
> the new motor, it seized. Yup. Seized up on the freeway.
> Got towed home, and Monday it's going in his shop and he gets to rebuild it
> for free. Not my problem, and I'm not going to worry about it or get upset
> about it.
> Turns out, the exact same thing happened to my friend's Porsche roadster he
> rebuilt the motor on, and the guy did honor his work and fix it for no charge.
> I'm sure he's not going to be happy he screwed this up! Oh well...
>
> So, back to driving my truck...
>
> Eddie
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