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Thread: 6.2/6.5 Fluidampr?

  1. #21
    Join Date
    Nov 2006
    Location
    pa
    Posts
    132

    Default

    Yea the FD is a nice product. When I got mine I was impressed on how nice the fd really came out. Right now it is just sitting around collecting dust Since I have no need for it at this time .
    95 suburban 2500 4x4
    6bt
    47 re
    373
    under construction

    6.5 parts for sale
    http://home.dejazzd.com/jkauto/6.5%20PARTS%20PAGE.htm

    MY SUBURBAN INFO HERE

  2. #22
    Join Date
    Sep 2000
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    usa
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    2,646

    Default

    How about a front and rear pic of that bad boy, directly into the hub, for show'n'tell?

    Maybe even include the oem hb?
    jd
    '96 Dodge 3500HD cc 2wd drw............'89 GMC 3500 cc 4wd drw
    5.9 12v #10TST 6sp SBC13-1.375.......6.5TD EFI maxEtorq v2.0 DSG
    DODGE makes it CUMMINS shakes it.....4L80E 205 4.10 Dana60\70HD
    6 in a row makes it go.......................Grandpa's big truck

  3. #23
    Join Date
    May 2002
    Location
    Long Island
    Posts
    129

    Default

    I want one regardless.

    Fluidampr makes a nice product.

    With or Without 5%...

    I have had only good luck with them in 20+ years.

    Have never been down the track in my BBC without one.

    Even have contingency check stubs to prove...
    Billy
    '97 CC Dually INTERCOOLED 6.5 - Sold
    '06 Extended Cab/Long Bed LBZ

  4. #24

    Default

    I like it tơo.
    Tried to find where to buy online, Summitt and Jegs don't carry it.
    Suppose I could try my local auto parts dealer, but then I'd have to pay sales tax. Sall
    1995 GMC K2500 4X4 Extended cab short box.
    My little red wagon
    SSD FSD cooler and air filter
    New transmission
    Pioneer DEH 7800 with XM
    Bilstien shocks in garage, but one of these days....
    Bully dog gauge pack (3) pillar in garage, but one of these days...............
    SSD 40HP chip
    19/20MPG
    1998 Jimmy 4.3 Vortec with 225000 miles and running strong, uses no oil.
    1983 Chevy S-10 with 1993 Camero 3.4 V6.

  5. #25
    Join Date
    May 2002
    Location
    Long Island
    Posts
    129

    Default

    Billy
    '97 CC Dually INTERCOOLED 6.5 - Sold
    '06 Extended Cab/Long Bed LBZ

  6. #26

    Default

    OK, thanks, not sure what I did wrong...................... Just gettin ole' I guess
    Thanks again
    1995 GMC K2500 4X4 Extended cab short box.
    My little red wagon
    SSD FSD cooler and air filter
    New transmission
    Pioneer DEH 7800 with XM
    Bilstien shocks in garage, but one of these days....
    Bully dog gauge pack (3) pillar in garage, but one of these days...............
    SSD 40HP chip
    19/20MPG
    1998 Jimmy 4.3 Vortec with 225000 miles and running strong, uses no oil.
    1983 Chevy S-10 with 1993 Camero 3.4 V6.

  7. #27

    Default

    Quote Originally Posted by gmctd
    How about a front and rear pic of that bad boy, directly into the hub, for show'n'tell?

    Maybe even include the oem hb?
    We have a picture of the 6.2L / 6.5L Fluidampr on our website under the Durmax page: http://www.fluidampr.com/DURAMAX.htm.

    You can also purchase any of our parts thru the distributors listed on our website: http://www.fluidampr.com/WHERETOBUY.htm. The performance diesel distributors are at the bottom.

    Thanks,
    Dan
    Dan Oddy
    Sales Engineer
    Fluidampr / Vibratech TVD

  8. #28
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    12,282

    Default

    This little jewel may be a real plus for the 6.5/6.2 engines.

    I am very certain that harmonics are the gremlin that is tearing these engines to bits under certain circumstances.

    The variables that are present in production runs of these engines are what I think is the reason we see sporatic failures as opposed to a situation that can be repeated and varified over and over.

    With the ability to damp out all these destructive forces the 6.5 could get some much needed help in the durability dept.

    Now for the big ????????

    Can their damper be used with a steel crank and of course do they provide a "ballance boss" that can be drilled slightly during the process of ballancing the engine?? The dynamics of a steel crank are going to be somewhat different than the Iron shaft.

    Sounds like a very big step in the right direction.

    I was recently chatting with the boys that do the work on my big Cat.
    We were discussing the possibilities of bumping the HP up a little and this necessitates the addition of a "fluid damper", different turbo and a reflash of the ECM.

    Obviously Cat understands the merits of the fluid dampener concept in keeping the bad vibs in check.

    Just may have to give these guys a call and pick their brains a bit.

    Great thread.



    Robyn
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  9. #29
    Join Date
    Sep 2000
    Location
    usa
    Posts
    2,646

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    Thanks for the link, Dan - I never would've looked under DMax
    jd
    '96 Dodge 3500HD cc 2wd drw............'89 GMC 3500 cc 4wd drw
    5.9 12v #10TST 6sp SBC13-1.375.......6.5TD EFI maxEtorq v2.0 DSG
    DODGE makes it CUMMINS shakes it.....4L80E 205 4.10 Dana60\70HD
    6 in a row makes it go.......................Grandpa's big truck

  10. #30
    Join Date
    Mar 2007
    Posts
    60

    Default

    Quote Originally Posted by Fluidampr
    We have a picture of the 6.2L / 6.5L Fluidampr on our website under the Durmax page: http://www.fluidampr.com/DURAMAX.htm.

    You can also purchase any of our parts thru the distributors listed on our website: http://www.fluidampr.com/WHERETOBUY.htm. The performance diesel distributors are at the bottom.

    Thanks,
    Dan
    What is the difference between the 800141 and the 800191?

  11. #31

    Default

    Quote Originally Posted by MaxPF
    What is the difference between the 800141 and the 800191?
    800141 & 800191 is the same Fluidampr except 800191 comes with the spacer that goes behind the Fluidampr. This is for the older 6.2L engines that do not have the electronic reluctor wheel that the newer 6.2L & 6.5L engines. I believe the change took place in 1988, I am sure some of you can probably tell me if I am mistaken. With the older engines you need the spacer to lengthen the hub of the damper so the pulley's line up.

    Robyn,
    Yes our Fluidampr can be used with a steel crank however there is no need to drill the damper. When balancing an engine the crank is what should be drilled & balanced to the remaining rotating assembly. The damper should not be drilled whether it is stock or aftermarket. All Fluidampr components are drilled & balanced before they are assembled. Yes we are OEM for many CAT engines also, it is the same company, same technology.

    If anyone has any other questions please let me know.

    Thanks,
    Dan
    Dan Oddy
    Sales Engineer
    Fluidampr / Vibratech TVD

  12. #32
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    Sep 2000
    Location
    usa
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    2,646

    Default

    The first EFI 6.5 was released for the 1994 model year - '93-back did not require the reluctor.

    The DSG Phazer timing gearset also has the separate reluctor for EFI - does the FD installation require replacement of that reluctor where the DSG set has been previously installed?

    DSG reluctor is keyed for ~2deg advance - is the FD reluctor keyed for stock oem timing?

    Any long-term EFI 6.5TD test results, say 50k-100kmi?
    jd
    '96 Dodge 3500HD cc 2wd drw............'89 GMC 3500 cc 4wd drw
    5.9 12v #10TST 6sp SBC13-1.375.......6.5TD EFI maxEtorq v2.0 DSG
    DODGE makes it CUMMINS shakes it.....4L80E 205 4.10 Dana60\70HD
    6 in a row makes it go.......................Grandpa's big truck

  13. #33
    Join Date
    Feb 2000
    Location
    Montana
    Posts
    11,382

    Default Just theorizing...

    If we can assume the FD reduces the bad harmonics in these cast iron 6.5 cranks, the question I think some will ask is: "Will this end the crank failures we hear about?"

    I suspect the failures we hear about will decrease, but not disappear.

    Cracking failures of the 90's GM blocks could still be a contributor. Failed rubber isolated crank pulleys, defective dual-mass flywheels and loose torque converter bolts could still happen on rare occasions. Any of these pose a problem that couldn't be helped with an FD.

    Another question: Could reducing crankshaft harmonics reduce the block cracking we hear about?

    Jim

  14. #34
    Join Date
    Nov 2006
    Location
    pa
    Posts
    132

    Default

    Quote Originally Posted by More Power
    If we can assume the FD reduces the bad harmonics in these cast iron 6.5 cranks, the question I think some will ask is: "Will this end the crank failures we hear about?"

    I suspect the failures we hear about will decrease, but not disappear.

    Cracking failures of the 90's GM blocks could still be a contributor. Failed rubber isolated crank pulleys, defective dual-mass flywheels and loose torque converter bolts could still happen on rare occasions. Any of these pose a problem that couldn't be helped with an FD.

    Another question: Could reducing crankshaft harmonics reduce the block cracking we hear about?

    Jim
    Now you know while I bought mine . It should take care of all that above if I am correct. If anything it will improve durability of the engine. Also how I look at it 500.00 over 5000.00-7000.00 and alot of agravation on getting the new parts just sucks . jmpo
    95 suburban 2500 4x4
    6bt
    47 re
    373
    under construction

    6.5 parts for sale
    http://home.dejazzd.com/jkauto/6.5%20PARTS%20PAGE.htm

    MY SUBURBAN INFO HERE

  15. #35

    Default

    Quote Originally Posted by gmctd
    The first EFI 6.5 was released for the 1994 model year - '93-back did not require the reluctor.

    The DSG Phazer timing gearset also has the separate reluctor for EFI - does the FD installation require replacement of that reluctor where the DSG set has been previously installed?

    DSG reluctor is keyed for ~2deg advance - is the FD reluctor keyed for stock oem timing?

    Any long-term EFI 6.5TD test results, say 50k-100kmi?
    The Fluidampr replacement does not require replacement of the reluctor wheel. If there is no reluctor wheel or anything to take its place you will need the spacer (p/n 800191). If a reluctor wheel is present or anything else to take its place you do not need the spacer (p/n 800141).

    The Fluidampr is keyed so that the timing marks on the Fluidampr are the same as TDC on the stock damper.

    Unfortuantely I do not have nay long term test results with that many miles. When I do I will be happy to post them.

    If anyone else has any questions please let me know.
    Thanks,
    Dan
    Dan Oddy
    Sales Engineer
    Fluidampr / Vibratech TVD

  16. #36
    Join Date
    Apr 2001
    Location
    Newberg Oregon
    Posts
    12,282

    Default

    Dan

    The reason I mentioned drilling the damper is that in years past I have seen units that were perfectly balanced then the damper was changed for one reason or another and then the assembly rerun and the new balancer was not the same.

    The factory units have a big weight on the them and I have seen many that needed tweeking a tad to get them right.

    Same goes for flex plates and flywheels, the production stuff varies a bunch and this can make for issues if the unit is replaced after an engine has been balanced.

    Thanks for the good input

    Glad to have you on board

    Robyn
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  17. #37
    Join Date
    Nov 2002
    Location
    Martinsville, IN
    Posts
    3,163

    Default

    I recently ran a balance test to check some of this out. We balanced a crank assembly to .06 oz-in per plane using a new damper and new flex plate. I had two other used dampers and one other new damper that we then swapped onto the assembly one at a time and checked the balance. One of the used dampers resulted in .06 oz-in per plane...no change. The other used and other new damper each produced .05 oz-in per plane...an improvement of .01 oz-in over the original balance.

    The factory dampers don't seem to have much variance in them, from what I have seen.

  18. #38
    Join Date
    Nov 2001
    Location
    Aitkin, MN
    Posts
    1,986

    Default

    Good Day!

    This sounds like a terrific product. It would have to be at least considered if one was building a strong motor for pulling (or fun! ), or just want to keep it for a real long time. Unfortunately, for us commoners, at list price they're 7.7 - 9.1 X what I can get a standard replacement part for from Rock Auto (ATP or Dorman); 6.8 - 8.0 X Rock Auto if bought from Summit. Maybe ATP and/or Dorman are junk, but they'll have to do for me for now.

    "We have seen some applications have basically no power gain & in some we have seen a 10% gain." If I read this right, that means across all the applications they've built Fluidamprs for, you'll see 0 - 10% power (hp? torque?) improvement. This does NOT say this applies to 6.2 and/or 6.5 applications.

    "...on a stock 6.5L application, we should be able to measure approximately 5% additional horsepower and torque..." "Trust but verify..." "Dan to Jim: Yes, on a stock diesel, we typically see on the order of a 5% increase." As a consumer, I guess what others have been trying to say is, don't in any way, shape, or form make the claim without any data. I know the temptation is terrific to make such claims. I work for a small (~ 20 employees) company that mfgs parts for scientific instruments; we're a 3rd party vendor of such parts. I constantly have to stop myself from saying anything I can't back up with hard data. Others here have simply expressed their desire for the data to back up the claim. Personally, I suspect you'll eventually provide this data, but I agree with the others: tell us what it provably will do, don't bother telling us what hasn't been or can't be proved.

    Please accept in the spirit given. I'm a knee-jerk capitalist, & wish you all the best. I just happen to feel that you've got enough to offer if it simply reduces crank harmonics in our 6.2/6.5 engines.

    (on edit) On second thought, maybe it doesn't matter. Even if you provided dyno plots, some folks would still say you jazzed the data. Sometimes when you're a vendor, you just can't win, eh? I ran 5 gallons of Stanadyne Performance Formula through my 95 pickup, & my mpg dropped ~ 5% the full year I ran it. They claim a 3 - 8% mpg improvement. My 5% mpg drop is within what I'd consider normal data scatter for such stuff, but my mpg certainly didn't increase. So it goes...

    Blessings!
    Last edited by moondoggie; 07-26-2007 at 11:00.
    82 6.2NA K15 4X4 pickup, 4spd man w/ OD, 335K+ "In Rust We Trust" (parked)
    95 6.5TD 2500 4X4 pickup, Gear Vendors Aux. OD, > ¼ million miles - gone
    95 6.5TD 1500 4X4 3/4T Suburban, Kennedy exhaust, > ¼ million miles
    93 6.5TD 3500 4X4 1T crew cab LB pickup, 230k miles

  19. #39
    Join Date
    Jan 2001
    Location
    New Hampshire - Live Free or Die
    Posts
    6,057

    Default

    Did your mileage go back up when you stopped using it?

    I had a immediate drop in mileage when I switched my rear axle to synthetic. It was so dramatic I switched it back. I never recovered the lost mileage, AFAIK.
    The Constitution needs to be re-read, not re-written!

    If you can't handle Dr. Seuss, how will you handle real life?

    Current oil burners: MB GLK250 BlueTEC, John Deere X758
    New ride: MB GLS450 - most stately
    Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510

  20. #40
    Join Date
    Jun 2006
    Location
    St. Albans, WV
    Posts
    368

    Default

    I'll have to agree with you Moondoggie, on most of that!
    96 Suburban K2500 6.5L TD. High miles and daily driven (for now). Remote mount FSD with cooler, Turbo Master/Boost fooler, 4" Jardine turbo back exhaust, 2.5" cross-over pipe, Boost, EGT, & Tranny temp gauges, working on more.

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