Chevrolet Heavy Duty 350 23° Flat Top 358, Bore 4.040, CH 1.125, Stroke 3.500, Rod 6.125 (CP Pistons S1102)
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|
Make |
Chevrolet |
|
Engine Type |
Heavy Duty 350 23˚ Flat Top |
|
Part Number |
S1102 |
|
Bore (in) |
4.04 |
|
Stroke (in) |
3.5 |
|
Rod Length (in) |
6.125 |
|
Comp Height |
1.125 |
|
Dome / Dish Height |
F.T |
|
Dom/Dish CC |
-5 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
.043 x .043 x 3.0mm |
|
VR Depth Int/Exh |
-.300 / SP |
|
Piston Weight |
398 |
|
Gas Port |
Yes |
|
Capacity |
359 |
|
Shlef (RPO) or Made to Order (MTO) |
MTO |
Stronger forging designed for 500 CFM two and four barrel applications; with dedicated right and left hand forgings; Suitable for angle milled heads; Accumulator grooves included as well as wrist pins and pin fitting at no cost; Double pin oilers; force fed from oil ring; Fully CNC machined. Notes: B - Supplied with Double Spiral Locks, C - .10 Deck Clearance with 3.480 Stroke, D - Rail Support included, E - Can be used with 3.750 Stroke & 6.000 Rod.
| Product Name | Chevrolet Heavy Duty 350 23° Flat Top 358, Bore 4.040, CH 1.125, Stroke 3.500, Rod 6.125 (CP Pistons S1102) |
|---|---|
| Brands | CP Carrillo |
| Engine | Chev |
| Make | GM |
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What are the recommended applications for the CP Pistons S1102?
The CP Pistons S1102 are designed for heavy-duty Chevrolet 350 engines, specifically for 500 CFM two and four barrel applications. They are suitable for use with angle milled heads and are ideal for performance builds that require enhanced strength and reliability.
What is the significance of the -5 cc dome/dish height on these pistons?
The -5 cc dome/dish height indicates that these pistons have a slight negative volume, which can help increase compression in your engine. This feature is beneficial for optimising power output, especially when paired with the right cylinder head and camshaft combination.
What machining considerations should I keep in mind when using these pistons?
When installing the S1102 pistons, ensure that the bore clearance is set correctly to accommodate the piston dimensions. Additionally, check that the ring gaps are properly set according to your specific application and operating conditions to prevent issues like blow-by or ring failure.
Can these pistons be used with different stroke lengths?
Yes, the S1102 pistons can be used with a 3.750 stroke and a 6.000 rod length, but ensure that the overall engine assembly is balanced and that the piston-to-deck clearance is within acceptable limits for your build.
What is the weight of the CP Pistons S1102 and how does it affect performance?
The S1102 pistons weigh 398 grams. While this weight is relatively light for a heavy-duty piston, it helps reduce reciprocating mass, which can improve engine response and RPM capability. However, always consider the overall engine balance and application when selecting piston weight.
