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Senior Member
Join Date: Jan 2000
Location: Reno, NV
Posts: 3,694
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Motor in agan and running .... **Results**
Ok, yesteday I got the motor back in and under the car and fired up.
I still haven't been able to crack this "2 hour" bubble... it took me and a roommate over 6 hours to get it in, up, and running. Some of it was bonehead mistakes (forgetting to install the cold start valve for example) but I still can't see 2 hours. Anyway, here are the results... We'll go with the good first. It runs... bonus. ![]() I didn't drop the engine or even come close to droping the engine. The cat bypass pipe made the exhaust note much cooler... and louder... more on that later. The transmission shifts real nice... sorta... I still have to get the coupler dialed in... 3rd is not very smooth. And for the biggie... it appears that the U.S.A.F. Supersonic Ultra goop did it's job. No 12" diameter puddles of oil under the car when I leave it sit for more than 15 minutes. No more oil coated muffler or rear valance. I'm still holding my breath though... we'll see how well it holds up after a month... 2 months... etc. Now for the bad news... My spedo isn't working. I know i put the weird sender looking thing back in the tranny right... Isn't there supposed to be a spedo connector in the tunnel with the shift coupler? There were two brown wires with spade connectors hanging loose in there... any ideas? And for the biggie... Cary, do you remember when we pulled the motor out in the base Hobby shop? I remember you saying something about one of the transmission mounts being loose... well... it is loose... it's stripped. .The mounting bolt on the drivers side of the tranny will not tighten up. I fear this could be an expensive repair. I am wide open to suggestions... I guess I could have it timecerted or install Helicoils... but it's not like it's that easy to take the subframe of the car to a machine shop to have that done. Or I figure I could go find a slightly larger bolt??? Ideas??? Also, I put 20W 50 in the car to see it it helps with temps... any comments on that? Not too thick for Idaho summers 'eh??? Thanks guys,
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-- Chief Architect and Mastermind, SCWDP |
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Registered
Join Date: Oct 2000
Location: Nor-Cal
Posts: 4,403
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Glad to hear your back up and running. I run 20-50 in my car all year, since it hardly never gets bellow 32 degrees F here, and I can see temps of 110-115 in the dead of summer.
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Non Compos Mentis
Join Date: May 2001
Location: Off the grid- Almost
Posts: 10,609
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Six hours? I wish. My engine swap project is being measured in months. Oh well, at least I have all the pieces back in my garage again.
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Registered
Join Date: Mar 2001
Location: Marysville Wa.
Posts: 22,492
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the brown wires would be the speedo problem. the sender plugs into them.
a helicoil, as much as i dislike them, is the easiest way to repair the trans mount hole. a timesert is too soft for use in steel. just go slow and don't screw up the install, because you only get one try. a bottom tap needs to be used, after the tapered tap, as the hole isn't very deep. an alternative would be a solid, threaded insert, used in cast iron blocks for repairing stripped head bolt holes. they require a larger hole and tap than a helicoil. clean up the bolt threads with a die also. a bigger bolt won't go thru the mount.
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https://www.instagram.com/johnwalker8704 8009 103rd pl ne Marysville Wa 98270 206 637 4071 Last edited by john walker's workshop; 05-22-2002 at 08:47 AM.. |
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Irrationally exuberant
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Quote:
I didn't know any better so I've just been Timeserting (or having them done) these when they strip. So far, so good but what is the danger? -Chris |
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Formerly bb80sc
Join Date: Aug 2001
Location: Hollywood Beach, CA
Posts: 4,361
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Hey Leland
the loose tranny mount could be contributing to the sloppy shifting. In addition to fixing the mount, you may want to consider using the Cab motor/tranny mounts. I installed them and shifting really improved. BTW, How's that heater blower motor? Hope your lady is keeping warm ![]() cheers -Brad |
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Senior Member
Join Date: Mar 2000
Location: Lacey, WA. USA
Posts: 25,309
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No, 20w50 is certainly NOT too thick for your summers. In fact, knowing your summers as I do, I would not consider a weight under 50.
Yes, the tranny thing may be a difficult repair. Warren once (long time ago) outlined the procedure(s) for making this repair. I think the female part is a loose nut in a cage, so it is difficult to Timecert or whatever. But first, try this: Take the bolt out and inspect it carefully. I recently had a similar problem with one of the long engine mount bolts. As it turned out, the female (crossmember) part was not severely damaged. The damage was to the bolt. So, I was able to replace the bolt. So, I'm suggesting you remove the bolt and inspect it carefully. Hopefully, the threads on the bolt will be mashed down. I once installed the speedo sensor upside down. That is, with the pretty side up and the ugly side down. The speedo did not work. Then I flipped it over so the ugly side was visible, and the speedo worked. I think the disconnected ground wires are potentially a real problem. Poor engine grounds are a major source of fried wiring harnesses and engine fires.
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Man of Carbon Fiber (stronger than steel) Mocha 1978 911SC. "Coco" |
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Senior Member
Join Date: Jun 2000
Location: N. Phoenix AZ USA
Posts: 28,969
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Great news! Glad its back in and dry!
Joe
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2021 Subaru Legacy, 2002 Dodge Ram 2500 Cummins (the workhorse), 1992 Jaguar XJ S-3 V-12 VDP (one of only 100 examples made), 1969 Jaguar XJ (been in the family since new), 1985 911 Targa backdated to 1973 RS specs with a 3.6 shoehorned in the back, 1959 Austin Healey Sprite (former SCCA H-Prod), 1995 BMW R1100RSL, 1971 & '72 BMW R75/5 "Toaster," Ural Tourist w/sidecar, 1949 Aeronca Sedan / QB |
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JOT MON ABBR OTH
Join Date: Feb 2001
Location: USA
Posts: 3,238
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Leland,
When you go to attach the speedo, most people can attach either brown wire in the tunnel to the connects from your sensor. On my and one other vehicle, we had to switch the connections in order to make the speedo move in the correct direction. This is contrary to everything in print. Also, very very happy to hear your motor is back in. We start putting mine back together and see how far we can get this weekend. David |
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Registered
Join Date: Apr 2001
Location: Linn County, Oregon
Posts: 48,592
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Good luck Leland...Heed John's words well. Only one try? Words like that scare me...right into the arms of a professional, usually.
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Registered
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Great news, Lee!
A Helicoil will work for a while, but my preferred repair on those selected locations is a weldnut from these folks: http://www.metricmcc.com/metric.htm A careful MIG job ... and you are back to normal, and no further worries! Be SURE to use anti-sieze on bolts going into captive nuts anywhere on the car!
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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Registered
Join Date: Mar 2000
Location: Irvine, CA
Posts: 1,200
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I bet you mounted the speedo sensor upside down - easy to do because the correct way is counterintuitive.
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Registered
Join Date: Aug 1999
Location: Hickory NC USA
Posts: 2,502
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Leland,
Congrats on 'fixing' the oil leaks. Sounds like you are having fun. Hmmm 6 hours, How many beers? Good luck with the stripped bolt.
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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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Registered
Join Date: Oct 2000
Location: Sherwood, Oregon
Posts: 2,119
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Those two brown wires are it. Yours didn't have the two wire flat housing. Hook them up and make sure it's working. Them come back and tape them up. Heat Shrink would be better........
On the transmission mount. All I can remember is, that it wasn't all the way sucked in there. I should of went back and looked at it. Because that same one on mine, is tight and I want to clean up the threads. Sorry My welding is getting much better. I actually welded a couple spots on my fenders. And didn't BLOW a hole in it.
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Cary 77 Carrera RS w/3.2 #59 73 914S 2.0 AG 73 914 1.7 Driver ( daily driver, under complete rustoration ) 74 914 2.0, 71 914 Tub, 74 914 2.0 Tub + 73 914 donor |
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Senior Member
Join Date: Jan 2000
Location: Reno, NV
Posts: 3,694
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Hey thanks for all the responses guys!
I took the car up to boise (on new trailer) to have the RE71s trey gave me installed and a new windsheild put in. I wasn't going to drive it far... a couple of miles... well I didn't get too far before I heard this TINK Tink tink... looking in my rear view mirror I think... "Hmmm ...that just came from my car.... Oh HELL... I forgot about the tranny mount!" So I pull over... run back up the road... and scour the intersection for my lost bolt. Right out in the middle of the four lane highway I see my lost item... I braved rush hour traffic to retrieve the bolt. Wow, about 1/2" of the top threads were gone... all chewed up... So I went directly to the only Porsche Mechanic for 300 miles. Luckily he had a old bolt and washer. I then went to a machine supply shop and picked up a 12 X 1.5MM tap. When I got home I jacked up the car, supported the tranny with the jack... removed the sway bar again and removed the transmission crossmember to gain access to the boogered up hole. About 5 minutes later I had the threads cleaned up pretty good... Then it all went back together... I put a dab of blue loctite on the bad bolt and then the moment of truth... would it reach the 58 lbs of torque that are required??? ...yes it did. ![]() So far... so good. I fixed the spedo connector about 10 minutes after I logged off this morning. I just couldn't see the connector portion because it was way down in the rubber gromet. Today I signed up for the bogus Basin Hill Climb this weekend! It's going to be a blast! One more question for the masters of CIS. I sat down a few minutes ago and tried to use my new Gunson Gas analyzer to set my CO mixture. Everything was going good until i tried to stick the allen wrench in the hole next to the fuel dist. to start adjusting. It felt like there is a spring down there and every time I started to push on it... the idle fell rapidly and would die if I kept pressure on it.... am I missing something here? A couple of times now, when cold, the car idle hunts badly until it warms up... never did this before... I'll worry about that later.
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-- Chief Architect and Mastermind, SCWDP |
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Author of "101 Projects"
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There is a spring down there - DON'T PUSH ON IT - YOU CAN DAMAGE IT. Just lightly stick the tool down in there, and jiggle it slightly - it should lock into the bolt. Then ajust and remove the tool (the weight of the tool affects the fuel injection).
Especially don't drive around with the tool stuck against the top of your engine lid. That would be really, really stupid. -Wayne
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Wayne R. Dempsey, Founder, Pelican Parts Inc., and Author of: 101 Projects for Your BMW 3-Series • 101 Projects for Your Porsche 911 • How to Rebuild & Modify Porsche 911 Engines • 101 Projects for Your Porsche Boxster & Cayman • 101 Projects for Your Porsche 996 / 997 • SPEED READ: Porsche 911 Check out our new site: Dempsey Motorsports |
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Registered
Join Date: Oct 2000
Location: Sherwood, Oregon
Posts: 2,119
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I wish I was coming to Bogus..........
There's always next year............ Have fun ...................
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Cary 77 Carrera RS w/3.2 #59 73 914S 2.0 AG 73 914 1.7 Driver ( daily driver, under complete rustoration ) 74 914 2.0, 71 914 Tub, 74 914 2.0 Tub + 73 914 donor |
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Crotchety Old Bastard
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You sure get yourself into some situations. Chasing a bolt down a 4-way during rush hour? HA! And I thought it was only me.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds '78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8 |
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Senior Member
Join Date: Jan 2000
Location: Reno, NV
Posts: 3,694
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Well last night I got the CO mixture set to 2.6%. The spec book claas for 1.8 to 3.5 for my SC. I figure this will be a good starting point, unless someone tells me different.
I also used my new digital advance timing light and checked the timing. The 6000 rpm thing was wild... it was almost deafening standing behind that car at wide open throttle.... I had a new windsheild put in yesterday as well... Wow! What a difference... I guess I never knew my old windscreen was so sandblasted... The new one is PPG glass which I am led to understand is very nice? ![]() At any rate, now i am just doing some final tuning before tomorrows race. I sure wish some of you could be there, Cary... But I guess we'll make up for it at the Roundup!Here are a few pictures taken in the last two days.
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-- Chief Architect and Mastermind, SCWDP |
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Senior Member
Join Date: Jan 2001
Location: Left Coast, Canada
Posts: 4,572
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Lee, if the "new" trans shifts as good as it looks, you should be havin' a lot o' fun! Good luck at the hill-climb.
Round-Up is less than 2 months away. Next weekend, I'll be driving the route for the first pre-run. Mrs. Z is going to write the route notes, so you can blame her if ya'll get lost!! Watch your e-mail as July 13th gets closer.
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'81 SC Coupe "Blue Bomber" "Keep your eyes on the road, and your hands upon the wheel."- J.D.M. |
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