High lift racing camshaft to suit 1JZ non-VVTi engine running alcohol based fuels and 72mm+ turbo. These high velocity cams require a shimless bucket or shim-under bucket conversion, such as the DLC coated bucket KCF-229.
Cylinder head may require machining for clearance of high lift cam lobes.
Kelford Cams recommend valve spring KVS109-1JZ-T
More Information
Product Name
Kelford Cams- Suit 1JZ GTE TURBO Supra NON-VVTi, 229-F (282/286)
Brands
Kelford
Engine
1JZ
Make
Toyota
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Disclaimer:
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Why choose matched valve springs for performance cams?
Spring pressure must match the cam profile and rpm limit. Too little causes valve float; too much causes wear.
Do I need adjustable cam gears?
They allow fine-tuning of cam timing, especially useful after head machining or when running non-standard cams.
What modifications are necessary when installing the Kelford 229-F camshafts?
The Kelford 229-F camshafts require a shimless bucket or shim-under bucket conversion for proper fitment. Specifically, the DLC coated bucket KCF-229 is recommended. Additionally, the cylinder head may need machining to ensure clearance for the high lift cam lobes.
What type of fuel is recommended for the Kelford 229-F camshafts?
These camshafts are designed for use with alcohol-based fuels, which can help maximise performance and efficiency when paired with a 72mm or larger turbocharger.
What valve springs should I use with the Kelford 229-F camshafts?
Kelford recommends using the KVS109-1JZ-T valve springs in conjunction with the 229-F camshafts to ensure optimal performance and reliability.
What is the lift specification for the Kelford 229-F camshafts?
The Kelford 229-F camshafts have a valve lift of 11.00mm for both intake and exhaust, which is suitable for high-performance applications.
Can I use the Kelford 229-F camshafts with a VVTi engine?
No, the Kelford 229-F camshafts are specifically designed for the non-VVTi 1JZ GTE engine. Using them on a VVTi engine would not be appropriate without significant modifications.