Ava Romero
Volkswagen Golf R32 owners and enthusiasts have shown interest in camshaft upgrades, specifically the Schrick camshaft kit, to enhance their vehicle's performance. The Schrick cams, known for their higher duration, promise increased horsepower and a more powerful engine. However, the cost of these upgrades can be significant, and opinions vary on whether the benefits justify the expense. Some R32 owners opt for alternative modifications, such as exhaust upgrades, remapping, and air filter changes, to achieve desired performance enhancements. While the MK4 and MK5 Golf R32 models have sparked discussions about potential differences in camshaft interchangeability, the community continues to explore various approaches to optimizing their vehicles' power and driving experience.
| Characteristics | Values |
|---|---|
| Camshaft type | Schrick cams, TT cams |
| Engine | R32 |
| Power | 237bhp stock, 276bhp with modifications |
| RPM | 6200rpm stock, 6800rpm with modifications |
| Cost | $1000+ for <10hp gain |
| Performance | Higher duration, stronger engine, increased rev range |
| Compression ratio | Dynamic compression ratio decreases with higher duration cams |
| MKIV vs MKV | MKIV expected to have ~2% more power |
| MK4 vs MK5 cams | Interchangeability unconfirmed |
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What You'll Learn
MK5 R32 camshaft options
When it comes to camshaft options for the MK5 R32, there are several choices available, each with its own advantages and considerations. Here is a detailed overview of the various options:
Schrick Cams: Schrick offers a range of camshaft options for the MK5 R32. The Schrick 264/268 cams with UM tune are often recommended for naturally aspirated engines. These cams provide a noticeable power increase, with some users reporting an increase from 237 bhp to 276 bhp. Schrick cams tend to be more expensive, but they deliver a stronger engine that is more willing to rev up to the redline, and they pair well with other modifications such as a sports cat, remap, and exhaust upgrades.
TT Cams: TT cams are another popular choice for the MK5 R32. The TT 264/260 cams are known for their performance and affordability, offering similar power gains as the Schrick 268/264 cams but at half the price. Some users have reported achieving similar power outputs with TT cams compared to those with Schrick cams.
Techtonics Cams: Techtonics offers the 264/260 camshaft option, which is only about 4 HP less than the Schrick 268/264 but at a more affordable price point, around 800-900 USD.
Custom Combinations: Some enthusiasts have explored custom combinations of camshaft durations. For example, Dubnick opted for 272's all-round, while Ryan E chose 268/264. These setups may require more research and testing to dial in the optimal configuration, but they offer flexibility in tailoring the power output to specific needs.
It is worth noting that there are differing opinions on the interchangeability of MK4 and MK5 cams. While some claim they are the same, others suggest there are differences, especially in exhaust cams starting with the 2006 production year of the MK5. The MK5 R32 community also highlights the challenge of finding comprehensive information on aftermarket parts, with many decisions based on hearsay or limited data.
When considering camshaft options, it is essential to keep in mind that power gains may vary, and factors such as fuel quality, piston geometry, compression ratio, and other engine modifications can influence the overall performance of your MK5 R32.
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Performance gains from camshafts
Camshafts are a key component in the engine, controlling the intake and exhaust valves and determining how much air and fuel enter and exit the cylinders. Upgrading to performance camshafts in your Golf R32 can offer several benefits and performance gains.
Firstly, performance camshafts can increase horsepower and torque output. The camshaft profile, including duration and lift, plays a crucial role in valve timing and engine performance. By optimising the camshaft profile, you can enhance the engine's breathing capabilities, allowing more air and fuel mixture into the cylinders and evacuating the exhaust gases more efficiently. This results in increased horsepower and torque, providing a noticeable improvement in the vehicle's acceleration and overall performance.
Secondly, performance camshafts can also improve the engine's responsiveness and power delivery throughout the rev range. The right camshaft setup can enhance throttle response, making the vehicle feel more eager and responsive when you press the accelerator pedal. This is especially beneficial for improving drivability and performance during everyday use, as well as when pushing the vehicle to its limits.
Additionally, performance camshafts can be paired with other modifications to further enhance the engine's capabilities. Upgrades such as high-flow manifolds, custom mapping, and exhaust systems work in conjunction with performance camshafts to maximise power gains. However, it's important to note that the specific gains from camshaft upgrades can vary depending on the vehicle's setup and other modifications.
When considering performance camshafts, it's crucial to match the camshaft profile to your engine specifications and intended use. The duration and lift of the camshafts need to be carefully selected to suit your engine build, as the wrong choice can lead to suboptimal performance or reliability issues. It is always recommended to consult with experienced technicians or seek advice from reputable forums to ensure the camshafts you choose are compatible with your specific Golf R32 model and performance goals.
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Cost-effectiveness of camshafts
The camshaft is a critical component of your engine, controlling the opening and closing of the engine's intake and exhaust valves. It is driven by the crankshaft and plays a crucial role in improving engine performance. A failing camshaft can cause a host of issues, including increased fuel consumption, reduced engine performance, misfiring cylinders, and vibrations felt inside the cabin. Therefore, it is essential to address camshaft issues promptly to prevent further engine damage and more costly repairs.
When considering the cost-effectiveness of camshafts, several factors come into play. Firstly, the cost of camshaft replacement can vary widely depending on the make and model of the vehicle, the extent of the damage, and labour rates. The type of vehicle and engine also influence the cost, with luxury vehicles or high-performance engines typically being more expensive to repair. Additionally, the number of camshafts in your engine can range from one to eight, and you may need to replace more than one at a time, increasing the overall cost.
Remanufactured camshafts offer a cost-effective alternative to brand new ones. These camshafts are rebuilt to meet factory specifications and can provide good performance at a lower price. They are typically less expensive than new camshafts, and many repair shops offer warranties on both parts and labour for added peace of mind. However, it is worth noting that camshaft replacement is generally not covered by standard car insurance policies, and you may need to explore other financing options, such as refinancing your auto loan.
In some cases, repairing the camshaft may be a more cost-effective option than replacement. This decision depends on the extent of the damage and the labour costs involved. If the damage is minor and labour costs are high, repairing or replacing individual components may be a more economical choice. On the other hand, if the damage is severe, replacing the camshaft and related components is recommended to ensure optimal engine performance.
When considering the cost-effectiveness of specific camshafts, such as the Schrick cams for the VW Golf R32, the return on investment in terms of power gain may be a key consideration. Some enthusiasts question the cost of these cams, which can exceed £1000 for a relatively modest increase in horsepower. However, others appreciate the stronger engine feel and the unique exhaust note that these cams can provide. Ultimately, the cost-effectiveness of camshafts depends on the specific needs and preferences of the vehicle owner, as well as their budget and the potential performance gains.
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$82.56
Compatibility of MK4 and MK5 camshafts
The Volkswagen Golf R32 has been a popular car for enthusiasts to modify and upgrade. One such modification is the installation of camshafts, which can increase the car's power and performance. However, there has been some debate among the Volkswagen community regarding the compatibility of MK4 and MK5 camshafts in the Golf R32.
Some enthusiasts have suggested that the MK4 and MK5 camshafts are interchangeable, claiming that they are essentially the same. However, others have disputed this claim, stating that there are differences between the two generations of camshafts. It is important to note that the specific compatibility may also depend on the production year of the MK5 Golf R32, as it is mentioned that the MK4 and MK5 exhaust cams differ starting with the 2006 production year of the MK5.
The MK4 Golf R32 is known to produce 237 bhp at 6200 rpm in stock form. With modifications such as camshafts, sports cat, stealth racing remap, miltek back box, and a panel filter, power outputs in the range of 275-285 bhp have been achieved. Some have even reported figures exceeding 285 bhp with additional modifications.
On the other hand, the MK5 Golf R32 is a less common variant, particularly in certain regions, which makes direct comparisons more challenging. It is mentioned that a stock import MK4 R32 produced less power and torque than a stock MK5 DSG R32, but it is unclear if the power figures refer to the crankshaft or the wheels.
While there may be some similarities between the MK4 and MK5 camshafts, it is important to approach this topic with caution. The exact compatibility and potential performance gains of swapping MK4 and MK5 camshafts may depend on various factors, including the specific engine configuration, production year, and other accompanying modifications. As such, it is recommended to consult with experienced technicians or specialists who have worked with both MK4 and MK5 Golf R32 camshafts to make a more informed decision.
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Camshaft installation process
Installing a camshaft is a routine repair that many tuners and mechanics enjoy. It is important to note that engine assemblies vary drastically from make to make and model to model, so it is important to refer to the user's manual for your vehicle for specific diagrams. Here is a general step-by-step guide on how to install a camshaft:
Step 1: Determine if you need to pull the entire engine
Depending on the type of engine and the make of the vehicle, you may need to pull the entire engine to access the crankshaft compartment. Overhead Camshaft (OHC) engines are much easier to access than Overhead Valve (OHV) type engines, with the camshaft centred in an engine block.
Step 2: Access the camshaft
Removing the timing cover can be one of the most difficult parts of an in-car installation. If you are unable to pull the engine, you will need to remove the radiator, grille, and brackets to provide access to the camshaft.
Step 3: Remove the necessary parts
With the coolant drained, disconnect the radiator hoses from the water pump and remove the radiator. Remove the alternator, power steering pump, and A/C accessory brackets attached to the water pump. Remove the water pump and crankshaft pulleys, and any components attached to the timing cover. With the timing chain, camshaft, and crankshaft sprockets exposed, locate the timing marks.
Step 4: Remove the old camshaft
Remove the valve covers and loosen the rocker arms or shafts, and remove the push rods. Remove the distributor, intake manifold, carburettor, and camshaft lifters. At the front of the engine, remove the camshaft timing gear sprocket bolts, then slip the sprocket off and remove the timing chain. Remember to replace the timing chain if your engine has over 10,000 miles, as a stretched chain can affect cam and ignition timing.
Step 5: Prepare the new camshaft
Before installing the camshaft and lifters, wash them in mineral spirits to remove the rust prevention coating. Then, apply a generous coating of Assembly/Break-In Lube.
Step 6: Install the new camshaft
Insert the camshaft into the block. Once the camshaft is almost all in, install the cam timing sprocket to the nose of the cam and use it for support. Rotate the cam so its timing mark is at 6 o'clock and rotate the crankshaft so its mark is at 12. Remove the cam sprocket and install the timing chain, ensuring that the timing marks remain aligned. Apply lube to the base of the cam lifters (new lifters must be installed with any new camshaft) and reinstall them in their bores.
Step 7: Reinstall the components
Reinstall the components in reverse order with new gaskets and seals. Scrape old gaskets from all mating surfaces, and install a new front seal in the timing cover. Tighten all bolts and fasteners to the specs.
Step 8: Final steps
Change the oil, make sure the coolant is full, and follow the instructions for starting. With flat tappet cams, the engine must be run at 2,500–3,000 RPM for 20-30 minutes to break it in.
It is important to note that severe engine damage can occur if the camshaft is not properly "timed". Always refer to the manufacturer's instructions and take the necessary precautions when performing any engine repairs or modifications.
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Frequently asked questions
Camming involves replacing the camshaft of a car engine with one that has a higher lift, allowing the engine to draw in more air and flow more fuel, resulting in increased performance.
Camming a Golf R32 can increase its horsepower and make the engine feel stronger and more willing to rev. It can also improve the sound of the car, especially when thrashed hard.
There are several types of cams available for the Golf R32, including Schrick cams and TT cams. Schrick cams have a higher duration than TT cams and can provide a slight increase in horsepower.
The cost of camming a Golf R32 can vary depending on the type of cams and other modifications chosen. Schrick cams, for example, can cost over £1000, while other options may be more affordable.
While camming can provide some performance benefits, it may not result in a significant increase in horsepower. Additionally, it can be expensive and may not provide a good return on investment in terms of power gains.
