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Your opinions Please- my motor is finally apart ! #547789
12/07/09 05:15 AM
12/07/09 05:15 AM
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Worst Weather USA
493_DART Offline OP
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After around 4 years I got my engine torn down tonight. Never a major problem with it--but its long overdue for inspection.

Im posting some pics I took of various parts to see what ya'll think. I dont have the crank out yet, but theres some pics of 2 of the rod journals , rod bearings , pistons , and the solid cam.


its a 493, Ross pistons, Clevites, Scott Brown solid cam, pump gas, eddy rpm heads. Never shifted the thing over 6200 .


rod

http://img.photobucket.com/albums/v225/solrizzo/rod2.jpg


rod 2

http://img.photobucket.com/albums/v225/solrizzo/rod1.jpg

piston 1

http://img.photobucket.com/albums/v225/solrizzo/piston2.jpg

piston 2

http://img.photobucket.com/albums/v225/solrizzo/piston1.jpg

cam lobes

http://img.photobucket.com/albums/v225/solrizzo/cam2.jpg

cam lobes 2

http://img.photobucket.com/albums/v225/solrizzo/cam1.jpg

crank 1

http://img.photobucket.com/albums/v225/solrizzo/crank2.jpg

crank2

http://img.photobucket.com/albums/v225/solrizzo/crank1.jpg



among other things---do those cam lobes look ok--or nice and worn ?
Obviously im putting new bearings in the ol' girl...

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547790
12/07/09 06:44 AM
12/07/09 06:44 AM

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that looks pretty normal. a simple freshening is obviously in order but the camshaft should be replaced IMO. i'd check the bottom of the lifters to see if they are still convex shaped. looking at the worn lobes, some of the lifters might be flat or convex now. how do the cylinder walls look? timing chain stretch? valve springs and guides???, etc. etc.

Re: Your opinions Please- my motor is finally apart ! #547791
12/07/09 07:59 AM
12/07/09 07:59 AM
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493_DART Offline OP
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thanks for the reply D ,

lifters are Comp-they looked great to the eye,

cylinders have some wear--will be getting those honed and inspected for sure---with new rings of course .

the timing chain shows about 1/4" play ( pushing it in from a flat edge) . ! seems too much ?

Havent looked at the heads but they were basic ported / gone through 2 years ago. Springs are new 8005 Isky a year ago.

i didnt think that timing chain would get that loose after 3 years.....its a Comp double roller




i think my "freshen up" deal is going to get expensive...

LOG BOOK SHOWS 182 PASSES----PLUS MAYBE 30 STREET MILES !

doesnt it always happen like that ?

Last edited by 493_DART; 12/07/09 08:17 AM.
Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547792
12/07/09 09:46 PM
12/07/09 09:46 PM
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I find it very difficult to see issues from pictures, especially on the computer/web size. Even an untrained eye in person has a hard time seeing things unless they are very bad (or like new).

182 passes isn't a lot, but 4 years is a good time to do an inspection. I have seen better bearings, and worse in that number of runs. You need to look carefully at each one to see if any machining variations need addressing.

Like you said, the bearings and timing chain obviously should not be reused. The cam is a tougher call, from eye ball pictures on the web.


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
Re: Your opinions Please- my motor is finally apart ! #547793
12/21/09 08:33 PM
12/21/09 08:33 PM
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493_DART Offline OP
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Quote:

that looks pretty normal. a simple freshening is obviously in order but the camshaft should be replaced IMO. i'd check the bottom of the lifters to see if they are still convex shaped. looking at the worn lobes, some of the lifters might be flat or convex now. how do the cylinder walls look? timing chain stretch? valve springs and guides???, etc. etc.




i did look at the lifters again today. Some look pretty flat , some ARE convex ...

There is some scuffing at the bottom of some of the bores and the piston skirts .

What are the causes of the scuffing - too little piston to bore clearance?
The pistons were new Ross with file fit rings , 4.350 bore

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547794
12/21/09 08:39 PM
12/21/09 08:39 PM
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okla.
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could be pieces of the lifters that are going?i had cam loose 4 lobes and lifters,trashed the skirts on bores only 2 passes.

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547795
12/22/09 01:34 AM
12/22/09 01:34 AM
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Bend,OR USA
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The piston bottoms look like they are coming out of the bottom of the cylinders,yes? If so mine look like that also and they measure good, check yours to see(if you have the original specs on them) if they are worn or not. I have found(and have quit using them) that the Ross piston skirts seem to be very delicate and show damage(scratching) when they are not worn I have now switch to Diamond Pistons for that very reason


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547796
12/22/09 01:34 AM
12/22/09 01:34 AM
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Looks like normal wear to me as I worked for a local builder and we freshened roundy-round motors that looked similar after a season of racing. I agree about a new cam/lifters(roller if you can) would be nice and as an example, my car has roughly as many passes and a few thousand street miles and ran it`s quickest pass earlier this year. Why did u tear it down anyways? Just curious. I hope to freshen mine soon unless it sells. Good luck w/it.

Last edited by Thumperdart; 12/22/09 01:44 PM.

72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Your opinions Please- my motor is finally apart ! [Re: Thumperdart] #547797
12/22/09 01:47 AM
12/22/09 01:47 AM
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Rock Springs
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Got a set of calipers? Measure the lobes see if you read a diff..Its hard to tell from the pics, but that one lobe does look like it has some wear...The pistons, and bearings are pretty much normal wear..


[color:"red"]65 Hemi Belvedere coming soon [/color]
[color:"#00FF00"]557" Indy engine 1.07 60ft 144mph in the 8th 2100 lbs package [/color]
Re: Your opinions Please- my motor is finally apart ! [Re: Bob_Coomer] #547798
12/22/09 02:19 AM
12/22/09 02:19 AM
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Kevin...Gonna have Hollywood or Steve look at it?


Need your rear end checked out? Contact Grizzly!!
Re: Your opinions Please- my motor is finally apart ! [Re: tboomer] #547799
12/22/09 04:22 AM
12/22/09 04:22 AM
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493_DART Offline OP
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ok...thanks guys.

Thumper - i tore it down just to see how things were looking inside --it was due.I dont see any major issues

Cab-- so thats a normal thing with Ross? - i guess thats "kinda" good news...

I probably wont run the cam , hope to MAYBE go to a roller , i guess its back to pb&j / hotdogs for dinner for a couple months...


Ted - tryin to talk Jimmy Mopar into flexhoning the bores (i dont have a flex hone---need to buy one i guess) , plus i wouldnt mind him or Steve putting another set of eyeballs on my junk while its apart .... Im sure i will miss something...






if i put a roller in this thing yer never gonna catch me in that ol Dodge of yours......

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547800
12/22/09 11:12 AM
12/22/09 11:12 AM
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Re: Your opinions Please- my motor is finally apart ! [Re: Al_Alguire] #547801
12/22/09 12:29 PM
12/22/09 12:29 PM
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Flex hones leave too rough a surface. I'd have it professionally properly honed if it needs it. With that little time it may not. I've used scotchbrite wrapped around a rigid hone to get a fresh surface and clean the bores without going appreciably bigger.


Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
Re: Your opinions Please- my motor is finally apart ! [Re: moper] #547802
12/22/09 01:08 PM
12/22/09 01:08 PM
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Quicktree Offline
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only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.

Re: Your opinions Please- my motor is finally apart ! [Re: Quicktree] #547803
12/22/09 01:46 PM
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Quick, that`s why I asked WHY?


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....
Re: Your opinions Please- my motor is finally apart ! [Re: Quicktree] #547804
12/22/09 05:07 PM
12/22/09 05:07 PM
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Worst Weather USA
493_DART Offline OP
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Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.





you cant afford $250 for rings/bearings ??

sorry to hear that.



It takes you 182 passes to sort out a car ?



Maybe I can come down and help ya out . I like Florida.


Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547805
12/23/09 12:46 AM
12/23/09 12:46 AM
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Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.





you cant afford $250 for rings/bearings ??

sorry to hear that.



It takes you 182 passes to sort out a car ?



Maybe I can come down and help ya out . I like Florida.






yea you do that but I promise the motor womt be coming out until about 350 more passes

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547806
12/23/09 01:04 AM
12/23/09 01:04 AM
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Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.





you cant afford $250 for rings/bearings ??

sorry to hear that.



It takes you 182 passes to sort out a car ?



Maybe I can come down and help ya out . I like Florida.

oh yea, sounds like you better do some more sorting I have already out run you with half the motor





Re: Your opinions Please- my motor is finally apart ! [Re: Quicktree] #547807
12/23/09 03:21 AM
12/23/09 03:21 AM
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Thats cool

post your combo Quicktree , maybe i can learn something from you.

"half the motor" would be...what.....a 383 or smaller with a 509 cam or smaller / pump gas / n/a , around 9:1 max ?

is that about right ? cuz i dont have a lot in this motor....

Post deleted by Defbob [Re: Quicktree] #547808
12/23/09 04:54 AM
12/23/09 04:54 AM

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Re: Your opinions Please- my motor is finally apart ! *DELETED* [Re: 493_DART] #547809
12/23/09 05:58 AM
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Re: Your opinions Please- my motor is finally apart ! [Re: 6packattk] #547810
12/23/09 06:14 AM
12/23/09 06:14 AM
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6pak--
this thread is pretty FAR from going south actually....




i was just looking for some good Moparts Race eyeballs on some pics of my stuff


Just have to warm up to Quicktree is all......



Re: Your opinions Please- my motor is finally apart ! [Re: 6packattk] #547811
12/23/09 06:20 AM
12/23/09 06:20 AM
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Frostbitefalls MN (Rocky&Bullw...
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I agree on the roller, great time to go there. Deducting the cost of the new solid cam and lifters lowers the cost per hp quite a bit.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Your opinions Please- my motor is finally apart ! [Re: gregsdart] #547812
12/23/09 06:29 AM
12/23/09 06:29 AM
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id love to roller . We shall see what happens with $$$ the next few months .


let me throw this out there-- i have new Isky 8005 springs. Will they be ok with a .600 ,or close, roller..... ?

Re: Your opinions Please- my motor is finally apart ! #547813
12/23/09 06:29 AM
12/23/09 06:29 AM
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Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.




175 were just to set the pinion angle





Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547814
12/23/09 08:08 AM
12/23/09 08:08 AM
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Quote:

Thats cool

post your combo Quicktree , maybe i can learn something from you.

"half the motor" would be...what.....a 383 or smaller with a 509 cam or smaller / pump gas / n/a , around 9:1 max ?

is that about right ? cuz i dont have a lot in this motor....




I hope you know I am poking fun at you some of you guys take things way to serious. my motor is 365ci 11.5:1 CR with a 575 comp cam.

Re: Your opinions Please- my motor is finally apart ! [Re: sshemi] #547815
12/23/09 08:09 AM
12/23/09 08:09 AM
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Quote:

Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.




175 were just to set the pinion angle









baa it was set before the first pass

Re: Your opinions Please- my motor is finally apart ! [Re: Quicktree] #547816
12/23/09 08:35 AM
12/23/09 08:35 AM
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Lehigh Acres, Florida
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Quote:

Quote:

Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.




175 were just to set the pinion angle









baa it was set before the first pass




But did you phase it correctly

Rickster

Re: Your opinions Please- my motor is finally apart ! [Re: rickstershemi] #547817
12/23/09 09:13 AM
12/23/09 09:13 AM
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I agree with replacing the cam. With the lower zinc and phosphorus in today's oils flat tappet cams do wear quickly.
Also, I would chamfer the oil passages in the crank to improve oil flow and eliminate stress risers.

Re: Your opinions Please- my motor is finally apart ! [Re: rickstershemi] #547818
12/23/09 09:52 AM
12/23/09 09:52 AM
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Quote:

Quote:

Quote:

Quote:

Quote:

only 182 passes and you need a freshen up who can afford that? we have almost put that many just testing nad getting things sorted out.




175 were just to set the pinion angle









baa it was set before the first pass




But did you phase it correctly

Rickster



quit messing up the guys post

Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547819
12/23/09 11:26 AM
12/23/09 11:26 AM
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Quote:

id love to roller . We shall see what happens with $$$ the next few months .


let me throw this out there-- i have new Isky 8005 springs. Will they be ok with a .600 ,or close, roller..... ?



On a used street roller, maybe. Solid race roller, not a chance.


8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
Re: Your opinions Please- my motor is finally apart ! [Re: 493_DART] #547820
12/23/09 03:45 PM
12/23/09 03:45 PM
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Quote:

let me throw this out there-- i have new Isky 8005 springs. Will they be ok with a .600 ,or close, roller..... ?


Those are for a flat tappet cam, don't waste your time running them with a roller cam. The spec is about 135 seat (1.875), 395 open (.650 lift).


1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1
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