Originally Posted by blacklistedmini
(Post 4431574)
New to this thread, just put the Sprintex on my 2005 MINI and now have put 230 miles on it. So far so good, only issue is the belt tensioner is noisy, clacky until it gets warmed up, I'm guessing the piston needs to get set in after sitting over night, so I purchased the one from Byte Tronik since it has the OE style that works, just replacing the dampener bushings to power flex because I go through those like crazy... So many pages on this thread so its hard to read all of it but is anyone else having tensioner issues with the one from Sprintex being noisy? Not a belt slip noise but clacky. My belts are fine, haven't slipped once and I'm chirping into 2nd gear, on a stock clutch with 119,000 miles even... That car rips now. I don't whomp on her all the time, I take it pretty easy but every once in awhile I'll let her eat :) Oh and I'm throwing a Lean Bank 1 code, is that an issue that can be fixed with a tuning? I'm running new 550 injectors from RMW, new fuel filter and new fuel pump. It's always thrown that code off and on but now I figure this thing is sucking in WAY more air and I need to fix this before I cook something. Any input would be great, thanks! Oh also it was tuned about 8 years ago by Mynes Tune and that's when the code started coming up so I don't know if it was tune issue or just a coincidence.
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Originally Posted by Bytetronik
(Post 4431657)
When you had it tuned 8 years ago, was it tuned on stock injectors or JCW? Is the GPR Tensioner already installed on the Sprintex. You're running 550cc injectors now, it the tune scaled for the 550s?
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Interesting
I haven't been on this site in a long while - The water pump drive in my car broke, death rattle at 56K, then a bit of an overheating problem. I already had a Sprintex as an upgrade ready to install - an upgrade is exactly what it is. No clacking, no issues. I've put almost 10k on the piece. Cosworth head, DRS 264/272, Nvidia exhaust, Forge intercooler, Alta dfi ( actually works much better than the reviews would have you believe ) - tuned with JCW injectors - it runs very well. I would recommend this to any R53 owner The clacking noise is very strange - there is nothing I can see in the design that would make that noise, the belt slips and catches???? I had 4 911s with chain dampeners similar to the Sprintex. They would go bad and make a racket and then you had to replace a lot of expensive parts if you kept on running the engine. they made stops, solid adjustable tensioners and finally made oil fed tensioners. I'd love to know what causes the clacking - please post! |
Originally Posted by stevecars60
(Post 4431915)
Interesting
I haven't been on this site in a long while - The water pump drive in my car broke, death rattle at 56K, then a bit of an overheating problem. I already had a Sprintex as an upgrade ready to install - an upgrade is exactly what it is. No clacking, no issues. I've put almost 10k on the piece. Cosworth head, DRS 264/272, Nvidia exhaust, Forge intercooler, Alta dfi ( actually works much better than the reviews would have you believe ) - tuned with JCW injectors - it runs very well. I would recommend this to any R53 owner The clacking noise is very strange - there is nothing I can see in the design that would make that noise, the belt slips and catches???? I had 4 911s with chain dampeners similar to the Sprintex. They would go bad and make a racket and then you had to replace a lot of expensive parts if you kept on running the engine. they made stops, solid adjustable tensioners and finally made oil fed tensioners. I'd love to know what causes the clacking - please post! |
I'll buy the belt tensioner tool...… Somehow mine has been misplaced. There is a belt that's smaller, not buy much. I don't know how wide it is, I've never seen it - it's on order.
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Hi guys, my Sprintex is more or less 7 years old in my R53 and I love it, but I dont know if I am crazy or paranoic because I noticed last week it has an strange noise and checked the oil in the Sprintex but almost empty, so I filled it with Redline oil 75w 90 NS and I think the noise almost dissapears afer that but I am not sure, so want to know from another Sprintex owners what do u think, your impressions of my video (see it with hight volume), let me know maybe its normal, hope so. Thank you so much in advance, waiting all your comments. |
Can't see the video - the link goes right to Venmo.
What color is the oil? That will tell you ton. |
Ok sorry the video is now in YouTube
Last week I filled with new oil and this week I will change it again |
Sounds like teeth missing
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Originally Posted by Akumazeto
(Post 4458918)
Sounds like teeth missing
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That's drive gears, no question. The Sprintex is much easier to service than the OE Eaton - it's still time consuming. Best of! And take your time.
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Originally Posted by stevecars60
(Post 4459059)
That's drive gears, no question. The Sprintex is much easier to service than the OE Eaton - it's still time consuming. Best of! And take your time.
Thank you so much |
Guys anyone knows or have experience with a rebuild of yours Sprintex with them ??
https://jonbondperformance.com |
Hi guys,
Dont know what to do?, please help!!! I need to change or repair my Sprintex asap, I have these options....... 1. buy a new Gen2 unit at Sprintex, maybe only the SC unit not the complete kit, but right now they only have the compressor (I think is the SC unit only) but without the front cover, so I will need to use mine (Gen1) 2.- Send my Sprintex to Jon Bond Performance (anybody know them?) and do a rebuild of the Sprintex , they told me this..... "The rebuilds will leave them functioning slightly better than new, but they will still have the rotor defect. We can't correct that as it is an engineering design issue", the cost is from $1200 to $1800, plus for me the shippings costs, etc. I am in Mexico. So what could you do if you are in my shoes ? |
Originally Posted by R53hyperblue
(Post 4460574)
Hi guys,
Dont know what to do?, please help!!! I need to change or repair my Sprintex asap, I have these options....... 1. buy a new Gen2 unit at Sprintex, maybe only the SC unit not the complete kit, but right now they only have the compressor (I think is the SC unit only) but without the front cover, so I will need to use mine (Gen1) 2.- Send my Sprintex to Jon Bond Performance (anybody know them?) and do a rebuild of the Sprintex , they told me this..... "The rebuilds will leave them functioning slightly better than new, but they will still have the rotor defect. We can't correct that as it is an engineering design issue", the cost is from $1200 to $1800, plus for me the shippings costs, etc. I am in Mexico. So what could you do if you are in my shoes ? If Sprintex is telling you that the newer compressor (unit) will work with your kit, with only a front housing swap, that would be my choice. |
upgrades for Sprintex
We offer two upgraded parts for the Sprintex:
1. Vented screw for 1st and 2nd gen Sprintex to help alleviate the pressure inside the compressor housing. 2. GPR Performance tensioner (for steady boost pressure at higher RPMs) => GPR Tensioner |
Hey fellas. I'm at a loss with my sprintex and having a slipping belt. I have a sprintex gen 1 installed by PO - no issues as far as SC goes, runs like a top. It slipped at about 4k rpm when I bought it. I made sure to put on a new belt and a new tensioner piston - upped to ~4,500 rpm before slipping. Then I bought the GPR tensioner and have another brand new belt on and it's STILL slipping between 4,500-5k. Does anybody have ANY advice for this?
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Some questions:
What size pulley What size belt What brand belt All of this can help to help you. |
Check your alternator. The rotor assembly, after some time, expands - mine did.. After replacing belts, a couple of idler pullies - I removed the alternator - it was cracked, still worked but more rpm, more slip. The surprise was it still worked.
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Originally Posted by CSP
(Post 4468693)
Hey fellas. I'm at a loss with my sprintex and having a slipping belt. I have a sprintex gen 1 installed by PO - no issues as far as SC goes, runs like a top. It slipped at about 4k rpm when I bought it. I made sure to put on a new belt and a new tensioner piston - upped to ~4,500 rpm before slipping. Then I bought the GPR tensioner and have another brand new belt on and it's STILL slipping between 4,500-5k. Does anybody have ANY advice for this?
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Originally Posted by BlwnAway
(Post 4468706)
Some questions:
What size pulley What size belt What brand belt All of this can help to help you. 70mm stock pulley Mechanic is being a **** and can't tell me size of belt. Guess that's the primary culprit. NAPA belt - presumably Gates?
Originally Posted by Bytetronik
(Post 4469226)
When installing the GPR Tensioner, were you able to add your OEM damper from the M45 belt tensioner?
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Originally Posted by stevecars60
(Post 4468754)
Check your alternator. The rotor assembly, after some time, expands - mine did. After replacing belts, a couple of idler pullies - I removed the alternator - it was cracked, still worked but more rpm, more slip. The surprise was it still worked.
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Originally Posted by CSP
(Post 4469310)
70mm stock pulley
Mechanic is being a **** and can't tell me size of belt. Guess that's the primary culprit. NAPA belt - presumably Gates? . R&D on the tensioner was done with Dayco belts, and I've always had good luck with Bando as well. 70mm & stock crank pulley should be a 6PK1398 or 6PK1400 with that tensioner. |
I'm having some problems with the GPR Bytetronik tensioner, wondering if anyone else has similar?
Basically, looking at the holes in the "tab" on the tensioner, my belt tension is perfect... I can see 1 full hole.. But the belt is slack, I can grip it with my fingers and lift it up and down, wobble it etc...it feels completely slack Also, my supercharger / alternator is covered in black dust, which I believe is belt debris from the slipping belt. I am running a 60mm pulley, and I'm getting around 14psi, which seems low compared to what others are seeing. My boost is also completely flat from 3000-7000, with very little fluctuation and no progressive building of boost... it hits 14psi at 3000 and 14psi at 7000rpm. This also supports the theory that I am getting belt slip. Using a 1370mm Continental belt. The other thing which seems odd, is that my spring seems very easy to compress with the tensioner tool... I've asked a friend to do the same, and he says it takes him 2 hands and all his maximum strength to compress the spring fully - it is very stiff and resistant and difficult....... whereas I can do mine with just my index finger - the spring feels very loose and easy to compress.. The Bytetronik GPR tensioner is around 12 months old, but has only done 3000 miles during this period... so I am really suprised that it seems to have gone faulty? Thanks |
Originally Posted by futureal33
(Post 4559738)
I'm having some problems with the GPR Bytetronik tensioner, wondering if anyone else has similar?
Basically, looking at the holes in the "tab" on the tensioner, my belt tension is perfect... I can see 1 full hole.. But the belt is slack, I can grip it with my fingers and lift it up and down, wobble it etc...it feels completely slack Also, my supercharger / alternator is covered in black dust, which I believe is belt debris from the slipping belt. I am running a 60mm pulley, and I'm getting around 14psi, which seems low compared to what others are seeing. My boost is also completely flat from 3000-7000, with very little fluctuation and no progressive building of boost... it hits 14psi at 3000 and 14psi at 7000rpm. This also supports the theory that I am getting belt slip. Using a 1370mm Continental belt. The other thing which seems odd, is that my spring seems very easy to compress with the tensioner tool... I've asked a friend to do the same, and he says it takes him 2 hands and all his maximum strength to compress the spring fully - it is very stiff and resistant and difficult....... whereas I can do mine with just my index finger - the spring feels very loose and easy to compress.. The Bytetronik GPR tensioner is around 12 months old, but has only done 3000 miles during this period... so I am really suprised that it seems to have gone faulty? Thanks |
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