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ok...now what do i do?
it's my stock '74, excellent condition car with 85k miles. i've felt a clunkiness, especially noticeable with hand on the shifter, when i tap the gas loading the transmission up for a long time. know what i mean? feels like play in the drivetrain somewhere to me.
what have i done? what $$$? here... replaced both rear axles with bolt-in's a few months ago. at xmas, replaced all engine and tranny mounts with sport versions all the way around. i don't think i can notice any change. is this just normal to have a lot of play in this generation? just kinda bugs me. i've heard spring plate bushings mentioned...i just don't know...not really anybody in arkansas to commiserate with on this one... ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 08:30 AM
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,308
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Life is short, so you really have to be careful what you choose to worry about. I know this clunking you're describing. It's just always there, regardless of the make and model of vehicle. IF you've got new halfshafts and new motor mounts, then.....
Relax.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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01-21-2004, 08:48 AM
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this may be the best of all possible answers. i just needed to hear if i'm alone in experiencing this symptom. i've had a nagging sense that it's just gonna be there...
on the bright side, i do have brand new half shafts and mounts...now i'm good for the next thirty years...  ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 09:03 AM
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Senior Member
Join Date: Feb 2000
Location: Lacey, WA. USA
Posts: 25,308
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I wish I had new halfshafts and mounts.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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01-21-2004, 09:14 AM
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and with hindsight, kinda wish i had those $$$ back for new front seat covers...
ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 09:22 AM
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Join Date: Aug 1999
Location: Hickory NC USA
Posts: 2,502
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Check that the CV's are tight and that the sportmounts are tight. Also, check the the sifting bushings are OK as well as the associated bolts.
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'75 914-6 3.2 (Track Car) '81 SC 3.6 (Beast) '993 Cab (Almost Done Restoring) |
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01-21-2004, 09:41 AM
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jim,
i re-torqued the half shaft bolts a week later to check for loosening...all was well. the engine mounts i just tightened. i didn't tighten as much as physically possible, especially the smaller side bolts, i was afraid they could be broken. would you have given them all the animal tightening? replaced all shifter bushings over a year ago... ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 09:53 AM
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Friend of Warren
Join Date: Oct 2000
Location: Lincoln, NE
Posts: 16,496
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Quit worrying and just drive the damn car!
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Kurt V No more Porsches, but a revolving number of motorcycles. |
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01-21-2004, 09:54 AM
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can't i do both?!!!
thought that's what we all basically do... ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 10:21 AM
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Join Date: Aug 2003
Location: Fresno,CA
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on my 2.7, i thought my rough idle and clunky shifting was normal
 then i got a cylinder test and found mine wasnt running all 6 cylinders! the 5th cylinder was at 0.02 compression!!! I had a flat 5 haha.... Its all about the 3.0 liter
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01-21-2004, 09:10 PM
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drag racing the short bus
Join Date: May 2002
Location: Location, Location...
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Chill: Chill, man. I know exactly what you're talking about. I resolve it to my sometime hamfisted shifting with too much load; the 915 simply didn't like it. It likes things smooth.
The tranny has a personality as you've probably just found out.
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The Terror of Tiny Town |
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01-21-2004, 09:39 PM
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alright, alright...i'll try to chill!
it's not while i'm shifting...that part is fine. occasionally i do shift from 1st to 2nd (not speed shifting) too quickly and it kinda 'pops' into 2nd...this isn't that. it's just that while in any gear, if i just kinda tap the throttle, to put under load, it feels klunky to me...like play in the drivetrain somewhere. at this point, i'm inclined to think it's in the tranny...maybe the differential gears. and maybe you're right...maybe all 915's have a fair amount of noticeable play like this. i'm in arkansas guys...i don't run into other members here with cars i can drive for comparison! now, if i still owned that ford truck... ryan
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To the memory of Warren Hall (Early S Man), 1950 - 2008 www.friendsofwarren.com 1990 964 C4 Cabriolet (current) 1974 911 2.7 Coupe w/sunroof 9114102267 (sold) 1974 914 2.0 (sold) |
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01-21-2004, 10:19 PM
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1974 Porsche 911 2.7
