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Old 06-05-2010, 09:49 AM   #301
little skeet
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Default Re: 1928 chevy 4cyl motor

The 1928 Chevy dragster was originally built in the Winter of 1959. My dad and I built it. The engine has a custom ground to our specs camshaft done by Fenton. For pistons, since stock is very low compression, we went to a parts store. Got out their piston specs book and started looking. We found an International six cylinder truck engine that was within .020 of being the same bore and used the same size wrist pin.
We did not bore out the cylinders. Instead of boring, we used a hone and set of taper feeler gauges. Honed out the cylinders and taper fitted each one. The International pistons have a very nice high shaped dome and good combustion squench area. They work really well in the 4 banger. The engine runs the stock rods and mains and a beefed up stock oil pump. We used small block Chevy valves and springs. Ported the head ourselves and made our own intake and exhaust systems. The engine is in a 1959 Chasis Research dragster frame. It was a "you weld it together kit" from California. I raced it in the X/Dragster class @ Julesburg, Scottsbluff, Cheyenne, and CDR drag strips. My younger brother and I restored it in 1994 and put it back into it's current shape. We take it out about once a year and run it at a nostaglia meet and take it to car show too. Never got beat by a Model A in NHRA competition drag racing.

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Old 06-05-2010, 10:38 AM   #302
Mac the Yankee
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Default Re: 1928 chevy 4cyl motor

dawford- sorry for missing that- post some pics when it goes together!

little skeet- sounds like a fun rail!
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Old 06-05-2010, 07:30 PM   #303
Mac the Yankee
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Default Re: 1928 chevy 4cyl motor

dawford,

Do have one question- how many Chevy 6's do you need to go through to get a set of rocker arms for the 4? If I understand correctly, there's only 2 rocker arms per engine that would work, so that's 4 engines worth (unless the 216's are all straight)...

I like the idea of a hollow shaft, but there may still be options other than hobbling 4 stovebolts .
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Old 06-05-2010, 08:50 PM   #304
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Default Re: 1928 chevy 4cyl motor

Mac,

I went knuckle diving in my parts washer and took the other half of the 216 rocker shaft apart and there are 6 straight rocker arms.

So to make it work out even you will need 4 sets to get 24 which is enough for 3 heads. Just kidding.

2 complete shafts will yield 12 straight rockers, enough for 1 head and 4 spare arms.

The 2 complete rocker shafts will also yield 4 shafts, plenty of risers, springs, keepers, washers and 2 oilers.

Dick
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Old 06-05-2010, 08:57 PM   #305
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Default Re: 1928 chevy 4cyl motor

its amazing what information sharing can accomplish ....i'd sure love to see that dragster in person!
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Old 06-05-2010, 09:18 PM   #306
Mac the Yankee
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Default Re: 1928 chevy 4cyl motor

little skeet,

If you ever open that engine up again, it would be great to see the pistons! Did you run babbitt, or use inserts?

Dick,
Thanks again for the 216 info... just have to find a rodder who's "getting rid of that junk" 6 now .

NORSONAUTO,
Sorry for the lack of info on the Saturn lifters- they were found on quick run through the local yard and I didn't have time to get the info, but it was a mid 90's car with an OHV engine. The lifters are about 1/16" larger than the stock '28, so some machining is required and you will need to make new plates to keep them from rotating. If I can find the car again, I'll get specific info.

Anyone- what would it cost to have a new camshaft ground? Isky would only regrind truck cams for Spurgin/Giovanine and they're hard to find (and probably cost more to buy/have reground).
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Old 06-05-2010, 10:24 PM   #307
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Default Re: 1928 chevy 4cyl motor

For my un-namable brand of banger when I wanted a billet cam Joe Panak of Roto-Faze made mine. You could Google Roto-Faze.
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Old 06-05-2010, 10:38 PM   #308
Mac the Yankee
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Default Re: 1928 chevy 4cyl motor

Thanks Rich... are you EVER going to forgive me ???
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Old 06-06-2010, 03:59 AM   #309
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Default Re: 1928 chevy 4cyl motor

Thanks to everybody, who has contributed, to this very informative and entertaining thread. What an interesting read, can't wait for more updates.
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Old 06-06-2010, 04:19 AM   #310
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Default Re: 1928 chevy 4cyl motor

Joe just makes the billet. You still have to take it to your cam grinder to end up with a cam
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Old 06-06-2010, 07:41 AM   #311
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Default Re: 1928 chevy 4cyl motor

In the past months, someone from Oz, or NZ asked about Indian MC cam profiles, and I promised some drawings of Ollie and Shunk cam lobes that I had.

Unable to find (or more accurately stumble across) the drawings, I now suspect that I loaned them out so someone could copy them at a time when my copy machine took a crap.

In any event, here is a website that has a bunch of info on Indian cams, and other info about getting the flatheads to go faster.

I am going to cross post this, as I'm not sure which topic the request was on.

www.performanceindian.com/

Worth a look.

Herb Kephart
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Old 06-06-2010, 08:38 AM   #312
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Default Re: 1928 chevy 4cyl motor

Quote:
Originally Posted by Mac the Yankee View Post
Anyone- what would it cost to have a new camshaft ground? Isky would only regrind truck cams for Spurgin/Giovanine and they're hard to find (and probably cost more to buy/have reground).
Bill, it was Ed Winfield who did the Spurgin/Giovanine cam and he would only use the Chev FB cam.
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Old 06-06-2010, 08:41 AM   #313
Mac the Yankee
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Default Re: 1928 chevy 4cyl motor

Thanks Jimmy- couldn't remember which it was last night... had a 50/50 shot!
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Old 06-06-2010, 08:42 AM   #314
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Default Re: 1928 chevy 4cyl motor

little skeet,

If you ever open that engine up again, it would be great to see the pistons! Did you run babbitt, or use inserts?

Still running the babbitt on the rods and mains. My dad was a mechanic back in the early days and could pour and make his own babbitt bearings. I watched him pour and then cut the bearings with a bearing cutter by hand. Also helped him "burn in bearings" when we rebuilt Model A engines.
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Old 06-06-2010, 11:37 PM   #315
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Default Re: 1928 chevy 4cyl motor

Mac the Yankee:

For Nissan diesels see also SD30 and SD33 in IH Scouts and pickpus 71-80?
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Old 06-07-2010, 08:53 AM   #316
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Default Re: 1928 chevy 4cyl motor

Thanks Harry- will do!
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Old 06-07-2010, 01:17 PM   #317
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Default Re: 1928 chevy 4cyl motor

Spent the evening with the Federal-Mogul book and could find no simple matches. The problem is tat if the bearing is close to the correct diameter then the length is way short. if the length is good then the diameter is way too large. In thinking outside the box, could you use two bearings of the correct diameter on a journal?? Could you use a bearing of the correct lenth, but too long and "roll" it to the correct diameter?? Could you use a cam bearing of the correct diameter and cut it in half and use the shells?? Could you machine inserts as Rich Fox did and apply a thin layer of babbit dirrectly to them?? Could you line bore the block to take a larger available bearing and biuld up the crank journals to fit?? What grades of babbit are available?
I'm going away for a week so I'll play with this further at that time. I have a U-Pull it up the street that has a number of Saturns. Was the Saturn a 4 cyl or a V6? All the engines are still in one piece, so I'ii tear into them when I return. I want to follow up on the International piston thing too.
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Old 06-07-2010, 03:55 PM   #318
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Default Re: 1928 chevy 4cyl motor

On my brand X motors i did use 2 or even 3 inserts to make up the length necessary. In some cases (Thrust brearing) I cut the flange off one end if one insert and the other end of the other. If there was a gap in the center between the inserts it seemed OK and served the same purpose as the groove normally made in to main bearings to transfer oil to the rod bearings. Worked fine for me.
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Old 06-07-2010, 09:22 PM   #319
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Default Re: 1928 chevy 4cyl motor

NORSONAUTO asked-

Could you use a bearing of the correct lenth, but too long and "roll" it to the correct diameter??

While the practical answer to this is- no, because it would be nearly impossible to reform the insert accurately to a new, smaller radius, and also to cut off the excess length, leaving just enough standing above the parting surface to get the proper crush.

Having said that, I have to admit that I gave the idea some thought a while back. I have to believe that the steel backing has the copper and babbit layers applied as a continuous strip, which is then cut and formed (or formed and cut) to the dimensions for the intended application. If this is true, how does the factory perform these operations without leaving a single mark or blemish in the babbit surface? It might be that the babbit layer is thicker to start with, and the inserts are paired up and bored as a last operation--but this does not explain how the (almost) perfect half circle is formed in the tri-metal blank. Cannot be rolled, as a rolling process leaves a flat area at either end, so it must be pressed to a slightly smaller radius to allow for springback. Is anyone out there privy to how this whole series of operations is carried out? Also, any ideas on how to reform finished inserts to a smaller radius? A mirror finish male die, and a female the new size? How about a male die with a reasonably smooth finish, and a layer of aluminum foil to avoid marking the babbit? I see this as the more difficult of the two problems, as the length (and crush amount) could be hand fitted with considerable care, and the proper amount of crush force could correct small errors in the radius by forcing against the block and/or cap bore.

Any comments/ideas/ridicule/ laughter?

Herb Kephart
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Old 06-07-2010, 11:59 PM   #320
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Default Re: 1928 chevy 4cyl motor

Quote:
Originally Posted by Harry Bergeron View Post
Mac the Yankee:

For Nissan diesels see also SD30 and SD33 in IH Scouts and pickpus 71-80?
For Nissan Diesel parts in North America, you can also try Volvo/Mack/UD(Nissan Diesel) dealers. Volvo actually owns Nissan Diesel now. I found info regarding this at www.bigmacktrucks.com which is operated by Watt's Mack.
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