Forged Pistons for Hyundai, 2.7L Tiburon Delta V6, 87mm, 9:1 (CP Pistons SC7490)
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|
Make |
Hyundai |
|
Model |
Tiburon 2.7L Delta V6 |
|
Part Number |
SC7490 |
|
Cylinders |
6 |
|
Bore (in) |
3.425 |
|
Bore (mm) |
87 |
|
Size |
STD |
|
Stroke |
75 |
|
Conrod |
149.5 |
|
Comp Height (in) |
1.201 |
|
Comp Height (mm) |
30.5 |
|
Dom/Dish CC |
-9.1 |
|
Compression Ratio |
9 |
|
Weight (Grams) |
327 |
|
Pin (mm) |
21 |
|
Rings |
CPN-3425 |
|
Ring Thickness |
1.0 x 1.2 x 2.8mm |
|
Pin included (Standard) |
827-2250-16CP1C |
|
Upgraded Pin |
827-2250-20CP3C |
|
Ultra Duty Pin |
827-2250-25CP3C |
|
Locks |
827x063 SWL |
CP pistons are compatible with oversized valves and high lift camshafts. CP Pistons represent the highest quality and is engineered for maximum power. Standard features include: Deep valve reliefs accommodate high lift camshafts; Larger valve reliefs for +1mm valve sizes; Custom skirt cam and barrel design; Accumulator grooves; High strength aluminum forgings; High performance rings; Fully CNC machined and balanced to +/- 1 gram; Wrist pins included at no additional cost; Double pin oilers force fed from oil ring groove; Pin lock grooves for easy lock removal; Pin fitting included.
| Product Name | Forged Pistons for Hyundai, 2.7L Tiburon Delta V6, 87mm, 9:1 (CP Pistons SC7490) |
|---|---|
| Brands | CP Carrillo |
| Engine | Tiburon 2.7L Delta V6 |
| Make | Hyundai |
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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 is the recommended bore clearance for the SC7490 pistons?
For the SC7490 pistons, a typical bore clearance of 0.0015" to 0.0025" is recommended. This ensures proper thermal expansion and prevents piston slap. Always verify with your specific engine build and conditions.
What compression ratio do the SC7490 pistons provide?
The SC7490 pistons are designed to achieve a compression ratio of 9:1 in the Hyundai 2.7L Tiburon Delta V6 engine. This is suitable for a balance of performance and reliability, but final compression may vary based on head gasket thickness and combustion chamber modifications.
What type of wrist pins are included with the SC7490 pistons?
The SC7490 pistons come with standard wrist pins (part number 827-2250-16CP1C) included at no additional cost. Upgraded and ultra-duty wrist pins are available for those seeking enhanced performance and durability.
Are these pistons compatible with high lift camshafts?
Yes, the SC7490 pistons feature deep valve reliefs that accommodate high lift camshafts and oversized valves. This design allows for increased airflow and performance without compromising piston integrity.
What machining is required for the SC7490 pistons before installation?
Before installation, ensure that the cylinder bores are properly honed to match the piston size and that the ring gaps are set according to your engine's specifications. It's also advisable to check for any necessary clearances with the connecting rods and crankshaft.
