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Hi - I am circling back to my engine as I gather parts to re-assemble it. I can't find the rod bearings, Clevite CN-481HDXN because they don't seem to be available with the dowel hole. Is that something that any machine shop can do or are there specialists? I am in the Seattle-Tacoma area if...

Yes, 340 X-block with 3.46 crank. More background on this thread Old Race 340 Teardown Hmmm, hadn't noticed, good eye. I assumed they were uppers because of the oil holes. Maybe there was a design change since 1980?

I am looking at all the bearings on my x-block 355 (this was in my brother's 9.80 Super Gas car). He built this engine in about 1982 so I imagine some of the parts are going to be a little obsolete or at least hard to find. The main bearing set have P-series markings except for the #5, which...

OK, thanks for looking it up - Jim

Fascinating documentation! I've been looking for the Kit Car bulletin #110 about the 355 Engine Manual. Does anybody have that? I'm curious to know whether it was updated between W0 and W2 configurations. Photo: Scan10003 | Chrysler Kit Car Catalog album | Pat Redmond Thanks - Jim

Sorry to be late to this party but I recently found this image listed (on Worthpoint) from an old ebay ad, so I have no more details. I'm wondering if anybody recognizes this catalog and would know whether or not it (this 1974 issue or maybe a later issue) included any SBM engine parts or...

To me it looks like the dipstick boss (on the RH front of the block) is cast in but there's no hole - it's solid. Are you looking somewhere else? The 2, 3, 4 main webs are definitely thick and are relief cut for the main throws. Pan rail is solid in between the middle main webs. I'm not worried...

It's a shame. I was just hoping to get the cam card. I will keep searching at my brother's house. There's still a lot to search through. Makes me wish I had recorded all the valve lash measurements before I pulled the engine down. My bad.

Yes, good info. But it begs a question about my block. The "X" is cast into the driver's side bank rear (behind the flywheel) - not on the front of the right bank like described everywhere I've read. Also, there's no casting numbers on the block at all. There's only a small "4472" hand stamped...

Thanks, that's an easy measurement to make although I don't have a square that is that large I can certainly get one! My question is from complete ignorance, but also because when I measured the distance between the banks at the top of the China wall I got a measurement that would seem to...

So I just got the cam out. It's a Crane R-280/450-2S-8. I tried calling their tech support - it forwards to Edelbrock. Their phone menu doesn't include Crane support - so that must pretty new? Were they bought out recently? I found a catalog that lists the grind generically. The part number...

The ironic thing about the headers was that Bob knew Doug Thorley, he introduced me to him at OCIR or Pomona back in the day. I'm sure that one of the creations on the Valiant were Doug's. I'd sure like to uncover those headers out in the shed. I'm sure that I'll come up with something. The...

Yeah, there's the rub. I'm thinking custom or used.

I'll call them tomorrow. Anybody have a set hanging in their garage?

Thanks. I want to keep it as "old school" as I can. Will be looking for a set of W2 fenderwell headers for the 66 A-body. I have not yet found the pair that came off of it. Last version without Paxton by Jim Harris, on Flickr

Had a talk with my friend, more about his projects than mine, but it did help me make up my mind. I'm going drag racing. I can start with the Valiant with the street 360 and 4-speed I have in it right now and hopefully graduate to the 340 (355) once I have gone through it. Judging by the one...

Man, thanks for that! I have to find a way to make some accurate measurements. My gearhead friend is coming over today, I'm hoping to go over my options with him. The input from this thread helps immeasurably.

Man. I think we are all on that wavelength, huh?

Pishta, if I'm understanding correctly the dimension across the intake manifold valley, between the two head lands, I measured as 6.848". So considerable milling, consistent with the work done on the manifold? Seems like way too much. The rod length is a little harder to estimate with the...

Great, thanks for the info.

Just a little update. I had a good look around the crankshaft, looks like a 2532457 forging with an 8-bolt flange. The piston travel I measured with my caliper was 3.454. So it's a stroker? The rod journal measured 2.1245, with a Clevite 0.001 undersize shell (in very good shape). So does...

Yes

Thanks! Certainly I understand that this purpose-built combo is worth keeping together. At this point I just wanted to assess its internal condition. Never really considered making it a street engine, just "de-tuned" as a possible road race engine. All the input I have got in this thread...

I know the feeling with old PCs! I have several old hard drives spinning in newer PCs just to stay connected with older stuff. Thanks for taking the time!

Good to know, thanks. My knowledge of aluminum rods is very primitive. I assume they have a pretty limited life. If I decide to go with any replacement parts then these might be worth selling? I really appreciate all of the help I'm getting on this thread. It will be another week before my...

Cool, I'd love to see that picture if you care to post it. Here's one of the team. That's Bob, third from the left. I wish I knew more details.

Looks like BRC 4032 pistons and BME connecting rods

About 0.063" above the deck, as far as my dial gauge can read. OK, I am not sure what angle milling the heads is or what it is used for? Can y'all enlighten me?

Go back to post #25 - that is the box it came in. EdsWelding - I see what you're saying. Could be. I will know more after I can measure the deck height. Is there a way to tell how much could be shaved off the heads?

See how there's an extra thickness of plate welded on top of the original cast flange, under the bolts? It looks like it's meant to stiffen the whole flange. I thought the same thing about port matching the W2 ports but since the manifold was specific to the W2 (as shown in the original Holley...