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Discussion Starter · #1 ·
I finally found a German guy that had put a Cobalt/Saturn M62 on a R53, GP1 actually, and got a good tune with it. He posted up up a video and the power gains, 311 ps, are quite good when one considers how cheap they can now be purchased here in the US. Cheap enough that within the last week five more have been shipped over the Atlantic to join four that I sent over a couple months ago. In a couple of months there should be more dyno data out there with both stock and BVH heads.


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Great figures those 馃憤

Guess these are somewhat like other aftermarket options for the R53, so need electric water pump etc (as the Mini specific M45 has a unique PTO gearing to drive a mechanical water pump of course).

I understand Mercedes used these chargers on the Kompressor SLK Mercs, earlier cars had M62's (and were very tunable) whereas later cars got the M45 (and were less so)....kind of makes sense this being a good fit for the R53
 

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Figures do look great, very Sprintex-like. Would be nice to see the power curve. What other mods on the GP? And how much was it making with the M45?

Why does Jan and all the other reputable mini tuners hate the M62 so much? I get it that there are better options (TVS 900 comes to mind), but there must be some other drawbacks than just their profit margins..?
 

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Figures do look great, very Sprintex-like. Would be nice to see the power curve. What other mods on the GP? And how much was it making with the M45?

Why does Jan and all the other reputable mini tuners hate the M62 so much? I get it that there are better options (TVS 900 comes to mind), but there must be some other drawbacks than just their profit margins..?
it was shit for high load racing, the m45 held up very well due to it being a pump. All the race cars with m62s had bearing issues in the charger. Don鈥檛 see it being a problem on the street.
 

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I finally found a German guy that had put a Cobalt/Saturn M62 on a R53, GP1 actually, and got a good tune with it. He posted up up a video and the power gains, 311 ps, are quite good when one considers how cheap they can now be purchased here in the US. Cheap enough that within the last week five more have been shipped over the Atlantic to join four that I sent over a couple months ago. In a couple of months there should be more dyno data out there with both stock and BVH heads.


View attachment 102704
The m62 is definitely a good choice if you can afford anything better. A good way to look at it is the m62 is very old tec . It鈥檚 a bigger supercharger then the TVS900 but Produces less power and more heat . The m62 is just not as efficient as the TVS900. Then there is also the problem of not having a kit available ( because the after market deemed it not worth it for the gains) so you鈥檒l need to spend weeks (if doing a nice job) to build the necessary Parts. There is talk about someone building a kit or parts of a kit but at this time it鈥檚 just talk . The m62 is great for someone with time and needing to do it on the cheap .
 

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Discussion Starter · #6 ·
The Mercedes M62 was a 3rd generation unit and I don't know what the suggested rev limit was. Magnuson had a Mp62 that used 4th generation Eaton rotors and posted a 14000 rev limit where the Cobalt/Saturn M62 that GM used was a 5th generation unit with longer rotor tails and needle bearing similar to what the TVS chargers have. The Cobalt/Saturn M62 was said to have a 16000 rev limit and they also had powder coated rotors. DDM used the Mp62 on their 2007 effort trying to produce a kit for the R53.

I know of two guys currently working on a M62 kit that will use a BVH and a 15 or 17% M45 pulley. One has a FMIC and the other will use water/meth. I also know of two other guys that will be using the M62 with a ported head. All four will be tracking their cars.

I just bought another good used M62 from a recycle yard for $250 and from what I have learned with both my M62 kit and now my Lysholm/Whipple 1200AX I can make a discharge horn adapter plate, a rear bracket and a adapter plate that can be used with the oem black intake duct for less than $100.
 

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Discussion Starter · #7 ·
A guy in Cyprus has spent the time to do a mock up and has designed an intake duct that will connect the throttle body to the M62 intake end. Put on a BMW 03-07 760i throttle body with a larger butterfly and you get even more power.

103209
 

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Figures do look great, very Sprintex-like. Would be nice to see the power curve. What other mods on the GP? And how much was it making with the M45?

Why does Jan and all the other reputable mini tuners hate the M62 so much? I get it that there are better options (TVS 900 comes to mind), but there must be some other drawbacks than just their profit margins..?
 

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Heat and lack of support are two reasons any other is 90% or more are used and the only real Rebuildable part of the m62 is to replace the bearings. If the case or rotors are damaged it鈥檚 a Dunn unit
 

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Discussion Starter · #10 ·
Heat and lack of support are two reasons any other is 90% or more are used and the only real Rebuildable part of the m62 is to replace the bearings. If the case or rotors are damaged it鈥檚 a Dunn unit
Hmm heat like what a TVS produces? The below graph was prepared by Harrop's and for the Yanks that 197.5 works out to 387 degrees. A TVS kit is $3300 US and yes it carries a warranty. You want to spend your money on it, no problem. The Cobalt M62 is an older generation Eaton and majority you find are going to be used although there were some Dealer Stock units that sold a couple months ago for around $900 US. I recently bought a spare for $250 that had 80k miles on it but sold it as I found another spare with only 30k miles for $250 US, I will be able to sell the pulley case gearbox, the bpv actuator and the throttle body to the Cobalt guys for a couple of hundred dollars.

So Bixby or Scott or whatever you name is, spend your money the way you want and let others decide how much money they want to spend on a car more than 14 years old . . . .


TVS Heat Delta.jpg

SAM_2454.JPG
 

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this is choice coming from such a dumb bastard. Btw... how is that blown up "Big Bore" joke of an engine doing? I told you those sleeves wouldn't work.
 

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Discussion Starter · #12 ·
Figures do look great, very Sprintex-like. Would be nice to see the power curve. What other mods on the GP? And how much was it making with the M45?

Why does Jan and all the other reputable mini tuners hate the M62 so much? I get it that there are better options (TVS 900 comes to mind), but there must be some other drawbacks than just their profit margins..?
Why do some tuners not like the M62? Of course it has nothing do to with the fact that Jan sells the TVS and ByteTronik sells the Sprintex does it?
 

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Why do some tuners not like the M62? Of course it has nothing do to with the fact that Jan sells the TVS and ByteTronik sells the Sprintex does it?
I know brain cells aren't much in your DNA , but I'll give you a refresher course since you always post up half truths all over the net.
I was the very first person to ever fit a Sprintex on a Mini . The reason why we NEVER went forward, because it was NOTHING like they presented it to be. If you think the TVS has high IATS you would have shit your pants seeing the sprintex's. They had bearing issues and tensioner issues. We explained all of this and told everyone why we weren't going to sell it. Bytronik jumped on it to make easy money on fools , they later admitted that everything I said about it was true........ It's why I put on a TVS1320 instead. No 900 was available at the time.

I can't help but laugh at all of the issues you and the greeks are having trying to run "Big Bore" engines...... I thought you guys were so smart?
 

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Discussion Starter · #14 ·
300 PS on a Sprintex is not bad at all.

I know of about 12 M62 out there being fitting to R53 since the first of the year. I wonder how many TVS900 kits have been sold in that same duration?
 

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300 PS on a Sprintex is not bad at all.

I know of about 12 M62 out there being fitting to R53 since the first of the year. I wonder how many TVS900 kits have been sold in that same duration?
you have to laugh at a guy who thinks he believes in numbers/science
he has no issues quoting up numbers and trying to compare them to stuff I have done yet doesn't even realize what the numbers really are for something.

here are the converted numbers dumbshit.....

@3172 rpm WHP 89.45 TQ 145.82
@3533 WHP 107.42 TQ 159.76
@3982 WHP 126.99 TQ 167.5
@4492 WHP 158.78 TQ 185.57
@5004 WHP 173.8 TQ 182.47
@5587 WHP 206.25 TQ 193.91
@6073 WHP 217.78 TQ 188.3
@6609 WHP 242.19 TQ 192.43
@7155 WHP 271.29 TQ 199.95
@7619 WHP 281.48 TQ 194.05
 

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Discussion Starter · #16 ·
Hmm how many TVS900's have been sold in the past 3 months . . . . .
 

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Hmm how many TVS900's have been sold in the past 3 months . . . . .
this is all you got after blowing your engine after all that talk about Thumper's brilliance?

funny when a guy wants to dodge questions instead of answering them, tells you quite a bit about the situation.......

By a quick check of my records without going through all the invoices, it looks like I sold about 13 TVS900s and a couple other TVS units, since december myself. No telling world wide how many they sold, but based on how many tensioners I've sent out I would guess it's quite a few.
 

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Discussion Starter · #18 ·
Jan just crawl back under your rock. The days of the Gen1 Mini being a revolutionary new car are long over. Most Euros today don't know who you are and many that do don't care. What any of this has to do with using a used supercharger to get some power I have no idea but then your business model is to call anybody that does not agree with you or buy your stuff a dumb bastard and any business that competes with you losers or morons. Only you know how and what to do with a R53 to make power. As you did crawl out under your rock those buying the Cobalt/Saturn M62 must be cutting into to your profits as they will also not have you doing any tunes.
 

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Jan just crawl back under your rock. The days of the Gen1 Mini being a revolutionary new car are long over. Most Euros today don't know who you are and many that do don't care. What any of this has to do with using a used supercharger to get some power I have no idea but then your business model is to call anybody that does not agree with you or buy your stuff a dumb bastard and any business that competes with you losers or morons. Only you know how and what to do with a R53 to make power. As you did crawl out under your rock those buying the Cobalt/Saturn M62 must be cutting into to your profits as they will also not have you doing any tunes.
actually, strange as it's been, this is one of the top years ever in sales and products
who knew covid would create such demand for high performance parts......

the only reason I call you a dumb bastard is ............you are...
nothing worse than a fool who thinks he knows something yet fails miserably at his attempts
why don't you come out and tell everyone your engine blew?
 
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