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HCF is pleased to announce a kit that automates the operation of the Graziano L140 transaxle, allowing for a clutch-free sequential shifting operation. The HCF kit was designed by the same firm who designed the automated gearbox systems for Volkswagen Audi Group in the Gallardo and R8. The...

Thanks for the comments, Joel! The recesses on the transfer gears are a fairly new change - we started noticing it perhaps in the last 18 months. One of the benefits of HCF being a formal Graziano distributor is the view we get into product changes. We've actually noticed several others in...

I stand corrected! Pulled the trans product guide and there is, in fact, a different part number for that particular housing. Very possible there's a difference in the casting that makes the 1.04's (but not the .76) not need any additional clearance. Thanks Ken / Johan!

Howard - not a fan of the late night sales calls? I've gotten a couple lately where it's a recording of a woman with a thick Chinese accent, saying something about immigration status and they'll send the authorities to deport me. Probably should have been more selective with my cell phone...

Shawn, Roger hit the nail on the head with his list in post #4. I'm chiming in as I was the one who commissioned Allan to build SLC 17. As with anything, there were multiple factors at play, but my sale was predominately related to the birth of our 3rd child. We didn't anticipate him joining...

Ken - Johan has our drop gears. Two sets, actually! Johan - I'm a little concerned about your installer not clearancing the boss. There have been 15+ sets installed now, and all I'm aware of required some machining. It's a lot more with the .76's, but the 1.04's need some as well. When you...

Paul - the case needs a small amount of machining. We generally work with Ron McCall (McCall's Autoworks) on these. He's done about a dozen now - great feedback from customers. Ken - those ratios are correct out to the thousanths. I'd use with confidence.

When I had my car built, I went through the Montana LLC process. Received a letter some months back from MT stating they were charging an additional assessment for any vehicle with an original MSRP over a certain amount. It wasn't based on current market value, and it would be assessed for a...

It's been a couple months since we posted on the forum - just wanted to say hello and remind all we were still here! If there are any clutch, drop gear or OEM Graziano replacement parts needed, please don't hesitate to reach us at [email protected]. Earlier this year we built out a website to...

Looks awesome! I like how the idle is nice and calm, too

Thanks Brian! When ready, let us know how we can help.

Thanks Ken!

HCF is pleased to announce availability of certain new Ricardo gearbox replacement parts. At present we hold an inventory of both synchronizer rings and complete synchronizer assemblies that are available for sale, with additional replacement gearbox components currently in production. In...

HCF is pleased to announce availability of certain new Ricardo gearbox replacement parts. At present we hold an inventory of both synchronizer rings and complete synchronizer assemblies that are available for sale, with additional replacement gearbox components currently in production. In...

Hi Dan, You shouldn't need to do anything with the slave post drop gear install. We've done at least a dozen installs now and all have been plug and play. Did you already reach out to Heffner and confirm everything with the install went as expected? In particular that clearances were no...

Sorry Sun - but I'll pay $1k, maybe even $2k, more for that master builder $200k car you reference. BTW, I've driven a couple C7Z's... pretty incredible machine, even if Chevy did flub on the cooling. Chevy claims they fixed the issue on the later cars... but, if not, sub $10k kit solves that...

Re: Never seen before sighting Coolant source in the background!!!

MT-90 for street and occasional tracking ... 75W90 NS for heavy track use

Ken - I'm not sure what it will cost to make custom stub axles. As I've mentioned before, I need a sample in order to quote anything. Do you have one you're willing to be without for a few weeks? Howard - if it's acceptable for owners to use spacers you are absolutely correct that the...

Initial run of the dual disc Kevlar clutches is complete and feedback from several who have installed has been excellent. We'd been offering these to Ferrari customers in different configurations for several years - no surprise they work just as well in the Graziano / V-8 configuration! I...