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355 pistons??? any suggestions

 
littlemanmays littlemanmays
New User | Posts: 5 | Joined: 02/12
Posted: 02/11/12
03:05 AM

hey everyone new here got a quick question......Got a early 350 vortec and gonna bore it .30 over(355) and my question is what is a good set of pistons for the price....getting towards the end of my budget haha as Im sure alot can relate too...and also what is a good cam for it I want a really good deep throaty lope any suggestions, videos are greatly appriciated!!!!!! gonna be going in a 1986 Chevy C10  

 
zman123 zman123
Enthusiast | Posts: 356 | Joined: 06/08
Posted: 02/11/12
07:46 AM

I built my engine with Keith Black Hypereutectic pistons. they are stronger than cast but not as expensive as forged. I assume you will be using this mostly on the street? Call Comp or Lunati for help with the cam but make sure you have all of the information (specs) so they can give you the best recommendation.  

 
pepsi1 pepsi1
Enthusiast | Posts: 722 | Joined: 09/11
Posted: 02/11/12
09:50 AM

welcome aboard Littlemanmays:

ZMAN has you set-up with pistons.

Lunati has some very nice cams that have the old LOPEY sound your looking for. Lunati Voo-Doo cam P/N 60102 is .468 in and .489 ex. lift. and .219 in. and .227 ex.It will handle all the factory accessories. Use their Micro Trol valve lifters.P/N 71817. Use a good HI-Performance valve spring. You can use the Z-28 valve springs they are good to .500 lift. Use a cloyes timing chain P/N9-3100.Good Luck...  
Thanks
Bob  

 
littlemanmays littlemanmays
New User | Posts: 5 | Joined: 02/12
Posted: 02/11/12
12:30 PM

thanks guys I appriciate it after looking around here and on you tube I decided to go with Lunati they appear to be a great performance cam and they sound good......and everyone has nothing but good things to say about them!!!!
thanks again greatly appriciated  

 
pepsi1 pepsi1
Enthusiast | Posts: 722 | Joined: 09/11
Posted: 02/11/12
11:52 PM

Just as I suggested: I custom build build race engines of all sorts. I've used Lunati's Micro Trol valve lifters and never had a problem...You won't be disappointed in their cams either....  
Thank's
Bob  

 
skyeking skyeking
Addict | Posts: 2248 | Joined: 08/09
Posted: 02/12/12
04:31 PM

Hi there,
Looking for cheap pistons is a pissed on idea..
 All the advice upstairs is all you need..  
skyeking

 
buickboy buickboy
New User | Posts: 32 | Joined: 01/12
Posted: 02/14/12
02:34 PM

the lunati 10002lk barebones and summit and jegs have the same cam i hear. it has 465/488 lift with 224/234 duration. sounds really nice in a street car. and i also used z28 valve springs.  

 
skyeking skyeking
Addict | Posts: 2248 | Joined: 08/09
Posted: 02/14/12
04:44 PM

Hi there Bob,
 Seen a full tour video on T>V the other day
 at a contract cam grinders workshop and boy
 did he explode the retailers MYTHOLOGY about
 the same cam being sold as 3 alternatives by
 way of different labels and fitting duration.
    Some of these pseudo eggsperts should be
 treated the same way as in the film "Lonesome
 Dove" where the stroppy barkeep gets a "Walker
 Tuneup" to the floor at San Antonio..  
 Check it out sometime Pardner...All the best    
skyeking

 
greg_moreira greg_moreira
User | Posts: 226 | Joined: 07/11
Posted: 02/17/12
07:46 AM

"and boy
did he explode the retailers MYTHOLOGY about
the same cam being sold as 3 alternatives by"


Are you saying this grinder indicates that doesnt happen? Or what do you mean by that?

I think he would be mistaken depending on what he is saying.  There are a ton of cam companies that are "private label" that dont even sell their own camshafts.  They grind for whomever asks them too.  companies pull up a set of lobes out of the private label companies lobe master sheet, and the private label company does the cam up for them.  If this guy is a contract cam grinder.....thats exactly what he does.  His "stuff" goes to multiple places and surely gets re-labeled.

I can probably think of at least three places off the top of my head that use bullet lobes ground by bullet cams and they openly tell you that they get their stuff from bullet.  Dozens more use them but I just cant think of all of them.

Plus...think about a jegs camshaft.  Im sure jegs sells a cam here and there, but nowhere near the volume that comp or lunati or crane sells cams for example.

Jegs doesnt grind their own cams just to sell one or two of them.  Same with edelbrock.  There would be zero profit in that. Jegs and edelbrock and others gets their cams from a supplier thats already producing cams.  And you can bet that if the other supplier is producing that cam for jegs.....it already existed in their books and has been sold under a different name somewhere else.

Now it is true you cant truthfully compare camshafts by the numbers on paper.

If two cams have the same seat duration and .050 duration and lift....this really tells you very little.  Are both lobes symmetrical or A-symmetrical?  Even though .050 and seat is the same, whats the duration look like at .100 or .200?

Dwell nose or conventional nose?  There is a billion questions we cant answer just when looking at .050 or seat or lift.  This kinda stuff wildly changes a lobe.  

 
pepsi1 pepsi1
Enthusiast | Posts: 722 | Joined: 09/11
Posted: 02/17/12
11:45 AM

Thanks Skyeking for the info!

I haven't seen the video, but isn't this what we have talked about? All the younger guys coming up through the ranks should really pay attention to the informantion that guys of our vintage, keep saying.

Three guys can measure the cam specs and get three different answers. (It's like that gray area of the rule book).Who's correct and who's wrong.The cam grinders can through the words around and confuse a lot of people.