Official Harrop TVS1740 Supercharger Thread

[Fastalpine]

Sorry, mistype**

Ok thanks, just wanted to get some clarity on that.

[ACTM333]

So is there going to be a stage 2 soon or not? So many different opinions and story's on this

[DRLane]

Originally Posted by ACTM333

So is there going to be a stage 2 soon or not? So many different opinions and story's on this

Yes it exists, but read the thread man as this is the wrong way to go about it. If you have a stage one reach out to Mike to discuss stage 2. It's that simple.

[BPMSport]

Hi Everyone

At the moment Stage II supply remains unavailable while the development pathway between Harrop and BPM is reviewed. Just to clarify as we've been getting emails that it was released/available from us - Stage II was never officially released. BPM has been running it on our car for some time, and also dyno tuned a couple close friends of Mikes vehicles (such as the airstrip car that went against the Hellcat in Colorado).

We certainly don't want to disappoint anyone but until the development is complete and signed-off we simply can't supply a higher boost package for the TVS S65 Supercharger.

We are perfectionists and are looking into additional CAN controls and modification of the base operating system with alternate sensors which would allow the DME to control fueling and ignition with much more precision. At the moment, all S65 supercharged applications don't actually know the amount of boost being produced - and to seamlessly manage transitions, we need to integrate further capabilities into the design of the electronic controls.

[Tigamilla]

Originally Posted by BPMSport

BPM*

Purchases from Harrop will receive the codeveloped tune. BPM offers some additional changes/tweaks and tuning support directly from BPM.

I also wanted to know this, so thank you. Do you have a preferred UK installer or partner? Having read through this entire thread I think the BPM developed tune would be the one to get.

[BPMSport]

Originally Posted by Tigamilla

I also wanted to know this, so thank you. Do you have a preferred UK installer or partner? Having read through this entire thread I think the BPM developed tune would be the one to get.

You'll definitely be pleased with the support offered with kits purchased through us.

As far as installation partners, not in the UK unfortunately, but we can certainly work with any reputable shop of your choice. Any shop that is competent enough to install a VF or ESS blower will find the Harrop install to be a breeze.

[Tigamilla]

Originally Posted by BPMSport

You'll definitely be pleased with the support offered with kits purchased through us.

As far as installation partners, not in the UK unfortunately, but we can certainly work with any reputable shop of your choice. Any shop that is competent enough to install a VF or ESS blower will find the Harrop install to be a breeze.

Great to know, thanks. I'll be in touch through email in the next few weeks

[BPMSport]

Install performed over the weekend on a customers Lime Rock M3. He has fallen in love with the car all over again.

[JackieChiles]

Originally Posted by BPMSport

Install performed over the weekend on a customers Lime Rock M3. He has fallen in love with the car all over again.

Great looking car and the kit looks clean

What diffuser is that?

[PYE46M3]

Originally Posted by BPMSport

Install performed over the weekend on a customers Lime Rock M3. He has fallen in love with the car all over again.

I am assuming this is not CARB compliant?

[nycplumber]

Originally Posted by PYE46M3

I am assuming this is not CARB compliant?

No supercharger is

[PYE46M3]

Originally Posted by nycplumber

No supercharger is

maybe not for BMWs. A lot of STILLEN's superchargers are carb exempt. But theyre also based out of SoCal

[pbonsalb]

Only 2 companies have done CARB exempt aftermarket forced induction kits for NA BMWS, MechTech turbo system for the E36 M3 and Dinan centrifugal supercharger systems for the E36 M3 and E46 M3.

[nycplumber]

Originally Posted by PYE46M3

maybe not for BMWs. A lot of STILLEN's superchargers are carb exempt. But theyre also based out of SoCal

I should have been more specific. I know flying miata makes a SC and Turbo that is carb legal. But no one makes one for our car. If the harrop was it would sell twice as many units in my opinion

[e90///M3]

Did harrop ever make a DCT tune specific for their SC?

[drwankel]

Originally Posted by BPMSport

We are perfectionists and are looking into additional CAN controls and modification of the base operating system with alternate sensors which would allow the DME to control fueling and ignition with much more precision. At the moment, all S65 supercharged applications don't actually know the amount of boost being produced - and to seamlessly manage transitions, we need to integrate further capabilities into the design of the electronic controls.

Just curious if there are any updates on this? Would these improvements be backported to the stage 1 kits?

I am for sure getting one of these kits (most likely next year) but the ability for the ECU to see boost is a no brainer. I'd like to purchase once that bit has been integrated, and am curious when we might see the results of these discussions.

[BPMSport]

Originally Posted by drwankel

Just curious if there are any updates on this? Would these improvements be backported to the stage 1 kits?

I am for sure getting one of these kits (most likely next year) but the ability for the ECU to see boost is a no brainer. I'd like to purchase once that bit has been integrated, and am curious when we might see the results of these discussions.

Not yet - sorry. My car has been in storage for a couple months while I'm undergoing a house remodel. Stage II in it's current form underwent some track testing in Colorado and performed flawlessly.

I had some custom 1050CC injectors made which solve the issue that the larger bosch injectors had at low latency pulses to increase response and economy.

We will be launching a special for those who would like a stage I kit for the holidays.

With gasoline use, the upgrade when officially released will consist of a pulley and tune.

[BPMSport]

Unfortunately there is zero kit stock at the moment. Those interested in a kit and ready to move now, please get in touch with me and I'll give you the best break I can plus throw some goodies in. Thank you and happy holidays!

[BPMSport]

Last kit of the year available now. If anyone would like it let us know ASAP!

Happy holidays to all

[Properstyle]

Originally Posted by BPMSport

Not yet - sorry. My car has been in storage for a couple months while I'm undergoing a house remodel. Stage II in it's current form underwent some track testing in Colorado and performed flawlessly.

I had some custom 1050CC injectors made which solve the issue that the larger bosch injectors had at low latency pulses to increase response and economy.

We will be launching a special for those who would like a stage I kit for the holidays.

With gasoline use, the upgrade when officially released will consist of a pulley and tune.

ID1050cc has worked great for me for the last year of us. idle well and plenty of head room at higher boost. look forward to see harrop on e85.

[BPMSport]

From this weekend,

VS a Stage II F10 M5 with Downpipes (approx 750HP).

[DukeofAlexandria]

Originally Posted by BPMSport

From this weekend,

VS a Stage II F10 M5 with Downpipes (approx 750HP).

If this is the EVOLVE Stage II I've seen, they are no joke. Sure, he started to pull away, but for an older V8 SC'd vs twin snails.......that's pretty decent my man.

Good job Mike and hope your family, Xmas, and New years went well! :-)

-Duke