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Forums->Hot Heads Tech Talk->New to forum need help on my 331 rebuild

fifty-two_f1
New to forum need help on my 331 rebuild


Okay My 331 hemi is at the machine shop and is needing to have parts ordered for... Here are some parts I am struggling to find..
Fiber tensioner and pin that goes in the timing cover
oil pump pick up and screen
oil pan
and the guy at the machine shop said ".1010 on the rods" so im not seeing that either...

Any help would be much appreciated!
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on: Wed 25 of Jul, 2012 [15:34 UTC] reads: 18632

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fifty-two_f1
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Re: New to forum need help on my 331 rebuild
on: Tue 31 of Jul, 2012 [02:56 UTC] score: 0.00
What would be a good cam to put into this? What should I do for a 4v intake? Since they are rare is there any other routes to get what i want?

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Tue 31 of Jul, 2012 [14:28 UTC] score: 0.00
> What would be a good cam to put into this? What should I do for a 4v intake? Since they are rare is there any other routes to get what i want?
You probably should go to www.jalopyjournal.com there you'll go to the HAMB. There put Hemi Tech Index in search & start reading! :-)
Cam: What pistons & Comp Ratio are you going for? Off the shelf replacement pistons from Egge are rated @ 8.5. Factory C/R ratings can be a full point on the optimistic side. don't know if that was caused by the chambers or the pistons, but your nominal 7.5 might have been as low as 6.5 on your engine. Don't know if Egge 8.5s would actually be 8.5 or lower. Of course melling of heads or deck affects C/R. You might consider custom forged pistons matched to your heads in 9 or 10:1. Then I'd order a new 354 cam from HH so you can also use an LA double roller timing chain & you tell Bob all the pertinent details such as the C/R, manual or A/T tranny, rear gear ratio, car weight,ect.
Intake: Besides the wet '54, you can drill through the intake where the intake seals off the front water holes in the heads & run a remote thermostat. T R Waters can cut up your OEM intake & convert it to 4 bl. He may have finished ones in stock.

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fifty-two_f1
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Re: New to forum need help on my 331 rebuild
on: Sun 29 of Jul, 2012 [15:48 UTC] score: 0.00
Cool! So it is a 331. So does that oil pan on this website fit this engine? I was looking at the stock steel one..

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Sun 29 of Jul, 2012 [22:06 UTC] score: 0.00
> Cool! So it is a 331. So does that oil pan on this website fit this engine? I was looking at the stock steel one..
You need the 51-4, 55 & up('55 331,354 & 392) are different.

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George
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Re: Re: Re: New to forum need help on my 331 rebuild
on: Tue 31 of Jul, 2012 [01:56 UTC] score: 0.00
> > Cool! So it is a 331. So does that oil pan on this website fit this engine? I was looking at the stock steel one..
> You need the 51-4, 55 & up('55 331,354 & 392) are different.

There's a 51-4 oil pan on EBay now.



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fifty-two_f1
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Re: New to forum need help on my 331 rebuild
on: Fri 27 of Jul, 2012 [15:37 UTC] score: 0.00
Okay called the machine shop today and the code in front of the valley cover is
C52-8-23149

There is a code on the bock also that reads

1323329-2
A302

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Fri 27 of Jul, 2012 [22:37 UTC] score: 0.00
> Okay called the machine shop today and the code in front of the valley cover is
> C52-8-23149
>
> There is a code on the bock also that reads
>
> 1323329-2
> A302

OK, what you have is a Chr 331 out of a '52 chrysler. It's what known as the "long Tail" because of the protrusion @ the back. Difficult to adapt a modern tranny for it unless your using a stick. Small ports, with round ex ports(only 51-3 have those. Needs a wet intake, '54 is only yr 4 bl wet inkake, Edmunds made 2X2 & 2X4 intakes for these, tend to run 800 & up. or drill a dry intake & use a remote thermostat. The '54 331 heads have bigger ports & oval ex port, direct bolt on but getting expensive to find.

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fifty-two_f1
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Re: New to forum need help on my 331 rebuild
on: Fri 27 of Jul, 2012 [00:25 UTC] score: 0.00
Okay so what are the differences between the 330 and the 331? I am not sure about what year the car was.

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Fri 27 of Jul, 2012 [13:52 UTC] score: 0.00
> Okay so what are the differences between the 330 and the 331? I am not sure about what year the car was.

Chrysler, DeSoto & Dodge had completly seperate lines of Hemi engines. Diffrent widths & lenths, very little interchanges. 331 is a Chr, the 330 is a DeSoto, if you have a 330 & order 331 head gaskets they'll be too long for instance. Looks like the crank & rod bearing do interchange though. There is a casting # on the block between the head & valley cover pass side rear on the Chrs & on the rear of the block on the DeSoto, the use code on the flat infront of the valley cover would be easier to find. DeSoto use code will start with an S. Find it & post it.

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fifty-two_f1
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Re: New to forum need help on my 331 rebuild
on: Thu 26 of Jul, 2012 [16:43 UTC] score: 0.00
I believe this engine came out of a '51 desoto.. I am not sure. My grandpa pulled this engine from a junkyard in '58 and put it into a 1935 chevy truck. He drove it for about 6 years and it got parked in a barn.. I now have the truck and I am putting it back just like he had it in the 50s. Ive been around engines, im quite familiar with the ford flathead V8. I have several. Ive got a y block also.

I want to put a 4bbl intake and carb on it. I also want to put a cam thats just a little hotter than stock. I Just want a little rumble and power. So my question is i need the intake and carb and cam to all be in sync so whats the best thing to put on there for a nice street running motor?

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Thu 26 of Jul, 2012 [20:54 UTC] score: 0.00
> I believe this engine came out of a '51 desoto..

The 1st year for DeSoto was '52. You need to be sure what engine you have, if not sure post the use code on the flat in front of the valley pan. there are high & low deck DeSotos & the intakes don't interchange. OEM 4 bl intakes are scarce & aftermarket more so. Carter/Edelbrock carbs are best for OEM intakes. In '56 DeSoto had a high deck 330(not 331)

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George
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Re: Re: Re: New to forum need help on my 331 rebuild
on: Thu 26 of Jul, 2012 [20:57 UTC] score: 0.00
> > I believe this engine came out of a '51 desoto..
>
> The 1st year for DeSoto was '52. You need to be sure what engine you have, if not sure post the use code on the flat in front of the valley pan. there are high & low deck DeSotos & the intakes don't interchange. OEM 4 bl intakes are scarce & aftermarket more so. Carter/Edelbrock carbs are best for OEM intakes. In '56 DeSoto had a high deck 330(not 331) I see HH has an aftermarket intake for the 330, a 600 Holley or Edelbrock should br fine if you do have a 33o.

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DaveBlakeman
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Re: New to forum need help on my 331 rebuild
on: Wed 25 of Jul, 2012 [22:47 UTC] score: 0.00
It may be a good idea to tell your engine machinist to go on line to Hot Heads and order the bearings for you. or bring him the catalog. Post a wanted ad here for the pump pick up . Oil pan- Milodon expensive but quality. Look at eBay. 1010 ?? rods and mains ask the guy what he means.Fiber tensioner is not something I have seen on these motors -- not sure what that is but I don't think it comes on an industrial . If your not sure don't order until you get it clear or you might be getting the wrong thing. I have never seen a picture posted here so it is hard to visualize this fiber tensioner. You might just need a timing chain under there and a new seal in the stamped cover. { I don't think that comes on yours] . What year is it ?

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George
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Re: New to forum need help on my 331 rebuild
on: Wed 25 of Jul, 2012 [21:39 UTC] score: 0.00
> Okay My 331 hemi is at the machine shop and is needing to have parts ordered for... Here are some parts I am struggling to find..
> Fiber tensioner and pin that goes in the timing cover
> oil pump pick up and screen
> oil pan
> and the guy at the machine shop said ".1010 on the rods" so im not seeing that either...
>
> Any help would be much appreciated!

Guess you're new to engines... The .1010 means .010 "Ten thousanths over size" conecting rod bearings. Actually if he said 10-10 he may mean you need .010 over rod & main bearings, better ask him. Look @ the main site under "Chrysler", then "Bearings & bushings". Oil pans (original or Chinese) on EBay. Pick up & screen for your pump, if OEM, may be hard to find. not sure what you're talking about on the timing cover.

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George
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Re: Re: New to forum need help on my 331 rebuild
on: Wed 25 of Jul, 2012 [21:40 UTC] score: 0.00
> > Okay My 331 hemi is at the machine shop and is needing to have parts ordered for... Here are some parts I am struggling to find..
> > Fiber tensioner and pin that goes in the timing cover
> > oil pump pick up and screen
> > oil pan
> > and the guy at the machine shop said ".1010 on the rods" so im not seeing that either...
> >
> > Any help would be much appreciated!
>
> Guess you're new to engines... The .1010 means .010 "Ten thousanths over size" conecting rod bearings. Actually if he said 10-10 he may mean you need .010 over rod & main bearings, better ask him. Look @ the main site under "Chrysler", then "Bearings & bushings". Oil pans (original or Chinese) on EBay. Pick up & screen for your pump, if OEM, may be hard to find. not sure what you're talking about on the timing cover.

Crap! I meant 10 UNDER on bearings, over size is pistonsredface


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