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Piston Choices
https://www.slantsix.org/forum/viewtopic.php?t=33313		 Page 1 of 2
Author:  runvs_826 [ Wed Jan 14, 2009 9:53 am ]
Post subject:  Piston Choices
So, does anyone have a list of what pistons are currently availble for the slant six? I know wiesco has something out. I wanted something that was a little less skirt and a higher pin. This one will be for a 170 with 10lbs of boost.

Cast- ?

Hyper: 2.2L Dodge turbo, will work with stock rods?

Forged:
Wiesco $460
Ross?
Author:  Doc [ Thu Jan 15, 2009 1:23 pm ]
Post subject: 
Off the shelf forged SL6 pistons are no longer available.
I see old stock TRW forged SL6 pistons come-up on ebag every now and then but that can be a "crap-shoot" as far as price and quality goes.

If you keep the boost low, a good quality cast piston (the ones with a steel expension struts) may work for you. EngineTech is one brand that has the struts.

As for using stock 170 SL6 con rods and the shorter / lighter 2.2 pistons, you can do this if you use the longer stroke 198 crank. The longer stroke off-sets the shorter piston height.
DD
Author:  runvs_826 [ Thu Jan 15, 2009 6:29 pm ]
Post subject: 
Doug do you know the compression height for the 2.2L pistons? I'm kinda hesistant to buy cause it's like $300+ for a full set from summit. But I thought I heard that it cost Slantzilla a lot to move the pin up higher. Thanks for your input. Wes
Author:  Joshie225 [ Thu Jan 15, 2009 6:44 pm ]
Post subject: 
kb-silvolite.com has specifications for all their pistons on-line.
Author:  Doctor Dodge [ Thu Jan 15, 2009 9:26 pm ]
Post subject: 
The compression height of most 2.2 pistons is in the 1.57 to 1.59 range
Here is a link to the Silvolite 1291 that is commonly used:
http://kb-silvolite.com/spistons.php?ac ... ls&S_id=30
DD
Author:  slantzilla [ Fri Jan 16, 2009 3:18 am ]
Post subject: 
Quote:
Doug do you know the compression height for the 2.2L pistons? I'm kinda hesistant to buy cause it's like $300+ for a full set from summit. But I thought I heard that it cost Slantzilla a lot to move the pin up higher. Thanks for your input. Wes
At $300 a set I hope that includes rings. Last 2.2's I got from Mike were $25 each, and ring sets were another $25 each.

We actually moved the pins down on my pistons, and yes, it wasn't cheap. However, I would check with some other piston manufactureres. Diamond may be less money.
Author:  Joshie225 [ Fri Jan 16, 2009 10:43 am ]
Post subject: 
Venolia made me a set of pistons a lot cheaper than 'Zilla paid for his Ross pistons. I think it was about $400 with pins, valve reliefs, pin oilers, but no rings. They don't charge extra to move the pin either.

These 6.200" long rods I have were going to be for a stock stroke 170 with a short piston.
Author:  Dart270 [ Fri Jan 16, 2009 11:52 am ]
Post subject: 
Josh,

What are those rods from? I am starting to think about a 170 or 198/170 buildup.

Lou
Author:  runvs_826 [ Fri Jan 16, 2009 1:21 pm ]
Post subject: 
Thanks for all the input, part of my problem is with the fresh bore it would be more cost effective to spend the $100 and get forged to my specs, than re-bore for metric hypereuretics that don't last. The pistons under boost seem to be a cornerstone for this build. These estimates are from Summit Racing.

Cast - Federal Mogul ~$100

Hypereuretics - $300 for 2 sets of 4

Forged - Wiesco $460
Ross
Diamond
Venolia
Author:  Doc [ Fri Jan 16, 2009 1:28 pm ]
Post subject: 
FYI,
The Wiseco forged (2.2 like) pistons I just got were excelleint quality. They have a nice thick head, big valve releifs and came with the rings and pins. These were part of the K1 long rod group buy so I would contact Wiseco directly and talk to them.
What size is the block at?
DD
Author:  runvs_826 [ Fri Jan 16, 2009 3:58 pm ]
Post subject: 
I don't know what the deck height is yet. I got the short block fresh machined from Joshie, I would assume it was enough to make it flat. The head can be shaved .1 and actually plan on it. The question is a better piston vs. compression. Thanks for all the companies I'll start to get the word out and contact a few. I wouldn't mind those 2.2L hypers but can't find them, I must be looking in the wrong places. However, I kinda plan on this to be my last slant bulid for this car.
Author:  Ron Parker [ Fri Jan 16, 2009 4:56 pm ]
Post subject: 
Call Mike at cppistions and ask him about your needs. Me and him are working together and he is in sales/tech there. 949-567-9000 or cppistons.com. Thanks Ron Parker :D










It Aint Over Until I Win
Author:  runvs_826 [ Sat Jan 17, 2009 10:24 am ]
Post subject: 
Mike already said that his set will cost more than wiesco. I really don't need anything complicated, and my wants are going down really fast. I'm going to talk to Venolia since they have pistons listed and see what a basic set would cost and go from there. They have a dome setup availble to, so we'll see if I did move the pin up and shave the head I think it would be plausible and reduce some piston weight. Thanks for the input and direction, Wes
Author:  Guest [ Fri Jan 23, 2009 11:46 pm ]
Post subject: 
Thanks for the "plug" Ron!

Wes just in case you might still be interested in a custom forged piston for your project, please give me a call @ CP (949)567-9000.
I do understand cost can be an issue, especialy in these times. But @ CP we strive for the ultimate in quality,design and performance. If you have time please check out our website atleast just to look.

Mike @CP :D
Author:  casey70dartreed [ Sat Mar 07, 2009 8:44 pm ]
Post subject: 
Ross Forged Racing Pistons (custom of course) cost me about $530 two years ago.

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