Eurotoys 11.6% bigger
VelocityAp's 11.8% bigger
Paramount's 15.0% bigger
Also the blower pulleys have different claims as well, some adding 1.4lbs of boost, some 1.7, and I recall one claiming 1.9. Can ANYONE verify if these measurements are accurate? Or are they just wild claims to catch your eye, because pricing is drastically different ranging from $800 to $1300+ for "seemingly" the same crank pulley...

 

Mina gallery is another site for blower pulleys but they don't have crank pulleys

 

I measured my Eurotoys pulley at an 11.8% increase (170mm vs 152mm OEM). I can confirm that the VAP pulley is the same size.
The Mina SC pulley is 60.5mm which is an 8.3% reduction from the 66mm V8 pulley (only 2.4% from the 62mm V6 pulley). Some of the other aftermarket SC pulleys measure In at 62mm (e.g. Eurocharged).

 

I agree

 

Thank you Unhingd for the info, so if eurotoys and velocity crank pulleys are the same, do we know if paramount's is as well?

 

I can’t say. I’ve never measured that one.

 

Fair enough, I know plenty have been sold, hopefully someone can chime in

 

Posted this in another thread , one that I started, regarding the same subject.

I bought a pulley, measured it and made a drawing using AutoCAD, here's a PDF.
Top is OEM and the bottom is the Paramount and Viezu (same company) 15% larger.

Any comments, please let me know. I can easily alter it to 11.8%, or whatever you need.

 

My vote is to go where support is best for your location. For example, I live in the US and happen to have nearby VAP dealers and VAP end users/customers - the latter seem quite happy with the level of support. I have been actually quite impressed by VAP's interactions with me and with this forum. And their tunes/work seem super integrated - support has been strong. So my gut says go with them for my location/situation.


My plan is to go stage 3 at some point. ECU, two pulleys, and TCU. Given this, I want my pulley to work with their other stuff.
And, times are tough - I want to support the vendor - profit is ok...it pays for them to eat.

 

"I want to support the vendor - profit is ok...it pays for them to eat"

I understand what you're saying. I've just always been a DIY'er. Anything I can do on my own, I will.
...plus, I cant afford it, so I'm going the cheaper route.

 

Getting VAP upper and lower installed on 23 F-Type P450 on Wedneday. Will report back with pics and results and yes this is my first post so hi all......Steve

 

I installed the VAP crank pulley on a 2018 R and I have a tough time seeing how I could have fit anything bigger. It was tough to fit the belt between the crank pulley and idler wheel as it was. It answered the question I had about why VAP doesn't offer an even bigger crank pulley rather than a crank pulley and supercharger pulley. The answer is it would not fit without replacing the idler too.

 

Hey I know this is an older posted but I really appreciate you modeling this up! Could you email me at jmcalister AT gmail DOT com? It seems you have messaging turned off and I have a couple of quick questions.

 

I gave VAP the business....it is important to support people that are doing things to support our cars. At one point in my life was a machinist in a physics department....and I'd still buy from VAP and did. Just the right thing to do.

Note - have nothing to do or gain from saying the above.