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FilthyDog 04-17-2013 02:34 PM

Big Truck Small Garage
 
My truck started blowing white smoke a few weeks ago. I'm a poor mechanic at best and was immediately concerned that the Hughes Plenum fix or headers I installed caused the problem.

As it turns out, it was not my work but blown head gaskets.

I have the heads removed and am taking them to the machine shop for a valve job.

Over the next few weeks I'll be posting pics of the rebuild.

-Filth

FilthyDog 04-17-2013 02:42 PM

3 Attachment(s)
Here's a few pics of the work so Far. Does anyone have any advice on cleaning the block and the pistons?

FilthyDog 04-18-2013 01:57 PM

I dropped the heads off at Gunn Automotive in Denver this morning. I spoke with the owner (Phil Gunn) and his employee Keath. They were both very friendly and professional. Which, after talking to other machine shops in the front range, was a breath of fresh air.

They are going to clean and inspect, resurface, and replace any worn out guides. As well as replace the guide seals. The heads should be ready to be picked up in 4 or 5 days.

02 Ram 04-18-2013 02:04 PM

no port and polish?

the persuader 04-18-2013 07:23 PM

That sucks... How many miles are on it?

MACKEYAUTOREPAIR 04-19-2013 04:40 PM

DO NOT use any sort of abrasive on the block surface. It's not needed, and any abrasive, bristle discs, scotch brie, anything, will get into the oiling system and take out bearings. Every maker has a TSB on it, and I learned it the hard way. The best thing is a carbide scraper. I have one that's 3 inches wide, and it's about 1/8'' thick. I then use a razor blade around the dowel pins, or better yet, pull them out. I don't know where to tell you to get the scraper, though, mine came from Goodson Supply and they are an engine overhaul wholesaler. A razor blade will work, it just tedious. You're pistons aren't that bad, but if you want to clean them, the best stuff is Motorvac solution. you just pour it in to cover them overnight, and they will wipe clean. It also seeps down and cleans the rings. If you can't find any, carb soak is the next best. Make sure to chase the head bolts threads with a tap, then shoot some brake clean into them, hold a rag over the top, and blow them out with air. I believe those are dry holes, so a little oil on the threads and under the bolt heads, and you're ready.

FilthyDog 04-23-2013 02:11 PM

I'm not having the heads ported and polished. I had to draw the line somewhere.

The Truck has 131k on it and I'm going to try to make it last another 131k.

I did spring for a Hughes FI intake. Hughes was out of modified throttle bodies, I plan check back with them every now and then and slap that on when there's one available.

I'll be working on the Truck this weekend, so I should have some new pics to post soon.

studda 04-30-2013 11:17 PM

Quote:

Originally Posted by FilthyDog (Post 1078436)
I'm not having the heads ported and polished. I had to draw the line somewhere.

The Truck has 131k on it and I'm going to try to make it last another 131k.

I did spring for a Hughes FI intake. Hughes was out of modified throttle bodies, I plan check back with them every now and then and slap that on when there's one available.

I'll be working on the Truck this weekend, so I should have some new pics to post soon.

Port and polish isn't that hard to do yourself. All you need is a good die grinder or even a dremel will probably work. I've done it on my drag car heads and could definitely notice a difference. The trick is, don't polish the intake ports but give them a straighter shot to the valves. Too polished and the fuel will gather on the walls and not stay in suspension. Get the exhaust as polished and straight of shot out to the headers/manifolds as possible.

studda 04-30-2013 11:31 PM

I was scared the first time I ported heads but if you never try it you will always be afraid to. I'm sure you can find specific areas to focus on for the exact heads you have and you will be glad you did. I didn't go in blind and just start grinding. I did research and used other people's proven methods.

FilthyDog 05-02-2013 01:18 PM

Thanks for the port and polish advice, but the heads are back on the truck.


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