[elky] Re: Sputter
- From: Chris Lindh <chrislindh@xxxxxxxxx>
- To: elky@xxxxxxxxxxxxx
- Date: Mon, 17 Aug 2009 22:44:38 -0400
I'm not ruling out ignition, I pulled a plug today and it looked OK.
They get a oil fouled quicker than normal since I gapped the rings
with higher gaps for boost.
Blasting has become easier the more I do it - the one thing I'll do
before the next bag goes in: screen the sand! I spend a fair amount
of time pulling the gun apart to get pebbles out.
I have decided to do the whole underside with the epoxy, then scuff
for the chassis paint (or 1120 then chassis paint if I decide to use
it). I want to scuff it since I'm getting some trash in the primer.
I'm not sure where it's coming from - I blow all the sand away - but
since I'm painting outside it could be anything. Scuffing epoxy
primer is a pain, it's not really made for sanding, as I'm sure you
know.
Ideally the entire underside would get blasted in one day, then I'd
spray the epoxy primer, the 1120, then the chassis paint. The reality
is I can only get a 2' x 6" section done in a day, and I want primer
on it so it won't flash rust. I've let the blasted underside go a day
before paint but I don't want to risk any longer. I'm using the
Harbor Freight gun with these instructions:
http://www.purplesagetradingpost.com/sumner/techinfo/HVLPspraygun.html
You've even got a reference in there... nice. I'm still learning and
I get the occasional run, but I'm happy with the overall progress.
On Mon, Aug 17, 2009 at 9:53 PM,
ladams21@xxxxxxxxxxxx<ladams21@xxxxxxxxxxxx> wrote:
>>I hate the small of gas too, or as Aren used to say "smelling like
>>ass" after driving the car. I've got the Megasquirt tuned way rich to
>>make sure the fuel isn't the problem, and I hate the smell - my wife
>>hates it even worse, she gets physically ill over smells.
>
>
> It makes me go... to the bathroom...
>
>>Which brings me to my buddy Kris, the one who is painting our Infiniti
>>right now and will be painting the Chevelle. The Infiniti was hit
>>while parked at a parking lot, very annoying but the woman came and
>>admitted doing it, which was good. Kris is also fixing other paint
>>issues on the car...
>
>>Back to Kris, he has a Jeep he has converted to Propane. Very cool
>>and the exhaust has very little smell. He carries two cylinders like
>>you see on the back of a forklift.
>
> I'd like my elky to run on propane.
>
>>Back to the current problem - I don't have an oscilloscope, so I can't
>>check the pickup. I suppose I could look over the wiring to my Holley
>>box, make sure it looks OK. I've got an email conversation going with
>>Matt at DIYAutotune, so we'll see what he comes up with.
>
>
> Good. It sure seems like an ignition issue though.
>
>>On the Chevelle I have several primer choices, since I've bought
>>primer at various stages in it's 16 year restoration. After the metal
>>is blasted clean I'm using Nason 491-16 epoxy primer, then Dupoint
>>1120 sanding primer on the firewall to get it a little smoother, then
>>Nason 422-05 chassis black. The underside of the car probably won't
>>get the 1120 primer... what do you think?
>
>>Chris
>
>
> Well the thing with epoxy primer... It's great but you really
> should put the 2K or paint etc on it within it's recoat window. If you wait
> you have to sand it. The adhesion is better when the next layer is put on
> in that window and a whole lot easier than scuffing everything up and
> cleaning it yet again. The less sanding the better...
>
>
> I'd prep an area as big as you can then shoot epoxy. If you can
> do another area soon do it then shoot all with the next layer of paint.
> Just feather edge into the part already done. Course depending on how much
> you get done at a time it might be best to do it all and then scuff and
> paint.
> Nason is good stuff for a sprayable non mixing product. I like the
> urethane stuff but mixing is a pain. Nothing wrong with your approach. My
> elky underside still looks like it did when it was new for the most part. I
> wish they painted the frame as surface rust frame finish wasn't a good idea.
>
>
> Yes I know blasting with home stuff is really slow...
>
>
>
> Robert Adams
>
>
>
>
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