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  1. Thread: Racelab Tune

    by tiderider
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    Racelab Tune

    Anyone used Racelab Tuning?
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    Yup, you have to pull the engine out to remove...

    Yup, you have to pull the engine out to remove the debris, blocks oil passages and restricts oil flow. Your oil pumps need replacing, timing chain is at risk of snapping off.
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    ECU signal to fuel pump. Negative?

    Hi, we are considering upgrading the stock fuel pump with a 340lph aeromotive high volume fuel pump. The 10 amp fuse would be upgraded to a 15 amp fuse (perhaps directly from the battery instead of...
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    He doesn't want to go greater then 8700 rpms.

    He doesn't want to go greater then 8700 rpms.
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    Fuel Pump upgrade or replacement.

    We tested the fuel pump on the 07 and appears to work well. Being an 07 we are considering replacing the fuel pump due to age and as a precaution.
    We noticed a whole bunch of compatible fuel pumps...
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    WSM 4 tec head, reviews?

    Has anyone used a WSM cylinder head? Just wondering about the seats and guides or anything else about them?? Good price, just wondering if they work well on a modified engine?
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    Pictures of the melt down. It sure looks like...

    Pictures of the melt down. It sure looks like ignition timing?
    ...
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    Pictures of the main bearings during the tear...

    Pictures of the main bearings during the tear down..

    http://greenhulk.net/forums/attachment.php?attachmentid=450929&stc=1http://greenhulk.net/forums/attachment.php?attachmentid=450930&stc=1
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    Hey, thank you for the input! We've been...

    Hey, thank you for the input!
    We've been getting input that as long as the new individual piston weights are identical to each other and the same for the connecting rods that its fine. Its the...
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    58 Psi static on RRFPR as per tune, Brand new and...

    58 Psi static on RRFPR as per tune, Brand new and tested siemens deka 60 lb injectors as per tune, Unable to view ignition timing from the maptunerX, PLX and maptunerX used for the AFRs and other...
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    Its one of those parts that when it fails... So...

    Its one of those parts that when it fails... So does the engine... Jerry is the man for it. $450 is like paying him $150 for peace of mind..
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    Molnar connecting rods RTH4724CJB3-A

    Anyone tried the Molnar connecting rods?4340 steel billet H beam connecting rods with special Molnar Technologies proprietary designed ARP2000 material cap screws.
    Weight 460 grams
    Any Issues with...
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    If your going to buy into an "old" high...

    If your going to buy into an "old" high performance engine... Prepare to pay through the nose. Paying low doesn't mean it will cost you nothing to use it.. I've seen 300 + hours on a 215hp and it was...
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    Fabulous! I just noticed their 6503 assembly for...

    Fabulous! I just noticed their 6503 assembly for turbo application. Would the stock connecting rods be fine for an ET137+4mm set up?
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    Do you have a wossner part number for seadoo...

    Do you have a wossner part number for seadoo applications? Perhaps the connecting rods as well? Thanks
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    Thanks for the info. My buddy had more then 10...

    Thanks for the info. My buddy had more then 10 attempted tunes from Riva and they were anywhere between Dangerous or not even close.. The Riva tunes never got better or showed a progression towards...
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    Thanks for the advice, did you send your ECU off...

    Thanks for the advice, did you send your ECU off to Eastside for them to flash it? My buddy is considering using RaceLab for the tune, but you never know.
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    Replacing all the sensors at this point is also a...

    Replacing all the sensors at this point is also a good idea. 15 years is a long time for sensors.
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    Suggesting larger injectors with an RRFPR isn't...

    Suggesting larger injectors with an RRFPR isn't considered tuning..

    Call them up and ask if they can tune a 137/4 or equivalent, they will say yes, in order to sell you a tune..

    The other tuner...
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    While talking to their tech department in regards...

    While talking to their tech department in regards to the 2007 siemens Issue. They did mention that they are having difficulties at tuning several years for the Siemens ECUs including some Bosch ECUs...
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    Well you should not sell a tune for an ECU that...

    Well you should not sell a tune for an ECU that you know that you cannot tune.. Riva should display all years and ECUs they cannot tune..

    Their RRFPR suck as well.. Mine went in the garbage bin...
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    I am going to help buddy rebuild and he's going...

    I am going to help buddy rebuild and he's going to try the other tuner and see if a 2007 siemens ECU can be tuned by them.
    He may just go with an ET127 and 42s with the other's tune..

    I will...
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    Yes, Buddy was monitoring AFRs all the time with...

    Yes, Buddy was monitoring AFRs all the time with the Maptunerx and a plx, New, wideband bosch O2 sensor.. Numerous tunes where tried and it seemed that Riva was just guessing or just throwing tunes...
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    Riva can't tune a Siemens ECU. The AFRs were...

    Riva can't tune a Siemens ECU. The AFRs were never near perfect as Riva was unable to refine the tune but they said it looks "good". Ignition timing was not viewable with the MaptunerX and he was...
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    Looks like a buddy blew his engine with this set...

    Looks like a buddy blew his engine with this set up and a Riva Tune... Siemens ECU... Compartment full of oil, Dip stick push out completely, coolant was full and clean. It started to smoke, white...
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