Piston Recommendations
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
Piston Recommendations I might throw a new set of pistons and rods in while I have the engine out for the heads/cam swap.
What's a good, light, forged, piston.
and ringpack?
Motor will see 200+ of nitrous.
What's a good, light, forged, piston.
and ringpack?
Motor will see 200+ of nitrous.
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
Called Clayton and Cory recommended the CP Bullet series piston.
CP Bullet SBC Piston Set Features
* Set of sbc pistons balanced within 1 gram
* 2618 alloy for strength and durability
* Dual forced pin oilers
* Contact reduction grooves
* Accumulator groove
* Forged side relief
* FEA designed forging
* Tight tolerances
* Same manufacturing process as CP Pistons
* Rigorous quality control
* ISO 9000 certified
The CP weighed 407g.
Im looking at a wiseco piston that looks like it would do the trick:
K413X3
only 347g
• Radiused Valve Pocket.
• Skirt design allows for as little as .004"
clearance with excellent wear properties.
• Anti-detonation Grooves help keep the top
ring groove free of carbon.
• Pressure Groove for enhanced ring seal.
• Features Chrome Moly Pins and Spirolox®.
• ArmorGlide™ Skirt Coating.
• Taking the XLS Series a step further,
the GFX ring package and gas
ports reduce friction for noticeable
increases in power.
• Extra deep valve pockets and a
thicker deck allow for higher horsepower,
bigger cams, and more
radically milled heads.
• Skirt coated for lower friction,
reduced noise, and superior life.
The CP has 1.5 mm 1.5 mm 3.0 mm rings.
Wiseco is 1.2 1.2 3.0
Wiseco has several pistons with even thinner / less friction rings but at 200hp nitrous I'm not so sure that would be the best.
CP Bullet SBC Piston Set Features
* Set of sbc pistons balanced within 1 gram
* 2618 alloy for strength and durability
* Dual forced pin oilers
* Contact reduction grooves
* Accumulator groove
* Forged side relief
* FEA designed forging
* Tight tolerances
* Same manufacturing process as CP Pistons
* Rigorous quality control
* ISO 9000 certified
The CP weighed 407g.
Im looking at a wiseco piston that looks like it would do the trick:
K413X3
only 347g
• Radiused Valve Pocket.
• Skirt design allows for as little as .004"
clearance with excellent wear properties.
• Anti-detonation Grooves help keep the top
ring groove free of carbon.
• Pressure Groove for enhanced ring seal.
• Features Chrome Moly Pins and Spirolox®.
• ArmorGlide™ Skirt Coating.
• Taking the XLS Series a step further,
the GFX ring package and gas
ports reduce friction for noticeable
increases in power.
• Extra deep valve pockets and a
thicker deck allow for higher horsepower,
bigger cams, and more
radically milled heads.
• Skirt coated for lower friction,
reduced noise, and superior life.
The CP has 1.5 mm 1.5 mm 3.0 mm rings.
Wiseco is 1.2 1.2 3.0
Wiseco has several pistons with even thinner / less friction rings but at 200hp nitrous I'm not so sure that would be the best.
Trending Topics
LS1 Tech Stories
The Best V8 Stories One Small Block at Time
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin
Verdad Gallardo
6 Common C5 Corvette Failures and What's Involved In Repairing Them
Pouria Savadkouei
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph
Verdad Gallardo
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked
Pouria Savadkouei
Top 10 Most Powerful Chevy Trucks Ever Made!
Hennessey's New Supercharged Silverado ZR2 Has 700 HP
Verdad Gallardo
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes
Verdad Gallardo
Awesome K5 Blazer Restomod Comes With C7 Corvette Power
Verdad Gallardo
10 Camaros You Should Never Buy
I run the CP pistons and ring pack. I strongley suggest them that and IF you were to have a failure CP sells them individually. They are made out of 2618 which tends to be a lot less brittle then the 4032 mahle or srp piston, making them more reliable on a large shot.
When I built my motor I talked to both companies, mahle saying they felt uncomfortable with anything more then 150 shot being put to their power pack product, and CP saying
"thats it" when asking them about a 200-250 shot. They are very confident in their product and the quality and consistancy in them were great.
Its nice to have a reasonably priced 2618 piston rather then going to a JE.
I also run the compstar H beams. But with your app. Id suggest scats 6" I beams with 7/16s bolts. They're reasonably light and extremely strong. Also whats in Ed Wrights 9 sec. 383.
When I built my motor I talked to both companies, mahle saying they felt uncomfortable with anything more then 150 shot being put to their power pack product, and CP saying
"thats it" when asking them about a 200-250 shot. They are very confident in their product and the quality and consistancy in them were great.
Its nice to have a reasonably priced 2618 piston rather then going to a JE.
I also run the compstar H beams. But with your app. Id suggest scats 6" I beams with 7/16s bolts. They're reasonably light and extremely strong. Also whats in Ed Wrights 9 sec. 383.
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
I've been spraying 175 on the stock pistons as well. But Im thinking about forging it while its out.
I've been looking at what Diamond has as well. So far I like the Wiseco piston the best.
Who knows what a stock piston weighs?
I've been looking at what Diamond has as well. So far I like the Wiseco piston the best.
Who knows what a stock piston weighs?
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
no sir, those are diamond pistons that i have from my last motor. i had hell fire rings. you can call diamond and get all the specs. they said those pistons would take a 300 without issue. if you want them i live about 3 miles from hpc coatings also 
Launching!
Joined: Jul 2004
Posts: 249
Likes: 0
From: Florence, MS
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet
According to this thread the stock piston weight is 532g.
The wisecos would be uber way lighter than the stock stuff...
The wisecos would be uber way lighter than the stock stuff...
Thread Starter
TECH Senior Member
iTrader: (8)
Joined: Sep 2008
Posts: 5,130
Likes: 4
From: 6,000+ feet