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87 T with TE-44, thdp, msd 50s, 16 pos MaxEffort 12.0@116 through stock exhaust with 2.0 60ft |
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Be careful not to drop the end caps of the rear u-joint when you pull it free of the rearend yoke. Hold the driveshaft with one hand and put a screwdriver between the joint and the yoke and pry it towards the front of the car to unseat it.
You MAY get some fluid leaking from the seal depending on how you have the car elevated.
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Mark Hueffman - Owner of TR Custom Parts 1987 GN Bling & Sting Test Vehicle 6262 BB Turbo / Bison-Built 2004r/ PTC 9.5 NLU Converter/ Razor Alky / 60 lb injectors / TT 6.0 chip / Big Mouth Cold Air & 4" MAF pipe / Z06 MAF sensor / SE FM Intercooler / KB style Headers / Dual 3" stainless exhaust / Electric exhaust cutout / Powerlogger mhueffman@snet.net Sale thru 2-16-10 on 6 piece aluminum pulley sets $50 OFF!, stroker cranks $125 OFF! VISIT OUR WEBSITE BY CLICKING THE BANNER BELOW.
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Will the rear U joint fall out once the drive shaft is undone? Does the rear U joint have to come out?
Is it necessarly to pull the driveshaft out of the transmission tail? I was hoping I could get away with dropping the rear half of the driveshaft just enough to slide the driveshaft loop on, then resecure the driveshaft to the rear yoke on the differential...and then just slide the loop on up and bolt it up.
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![]() 1987 Regal LC2, hot-wired, Walbro 255 lph fuel pump, blue top injectors, Accufab adjustable fuel pressure regulator, Turbo Tweak chip, GN110T cam, TE-44 turbo, Alkycontrol, 3 inch mandrel bent Dynomax exhaust, Scanmaster, OD lockout detent plate, trunk braces, jounce braces, 145 mph speedo, RJC power plate and RJC boost controller Quote:
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87 T with TE-44, thdp, msd 50s, 16 pos MaxEffort 12.0@116 through stock exhaust with 2.0 60ft |
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dont forget to cut the top of the loop bend it about 22degrees and then bend the sides in and reweld it
i've yet to have one that didn't hit the driveshaft wIthout modding .
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paul - MAGNA NJ rep the 86GN bests 1.41 6.57 105 10.41 129.8 bone stock shortblock ,71GTQ, msbc-1, V2, ported irons ,tt6.0wb 75# ... now extremeauto th400 w/brake , vig converter, FAST, 83s =cracked #3 piston the 87GN , 11.31 ,120.9 TE44, duttneck, weber CNC raceport irons w 1.65 T+D, msbc-1, tial38, hi-pro,protorque, TT 55# through aerochambers big thanks to julio at alkycontrol.com eric at turbotweak.com A little fun with the GNs at Atco video |
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Is your car suspended on jack stands? People have backed their car up on ramps and had it roll on them when the driveshaft pops out and they forgot to set the parking brake.
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87 gn te60 atr exhaust 60# injectors fmic tt chip alkycontrol double pumper 3000 stall hr rear bar scanmaster powerlogger |
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Could you explain a little?
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Last edited by dwall; November 21st, 2009 at 07:36 PM. |
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heres a pic of one i did , have found them done similar on other cars that i didnt do so its not like I'm the only one aware of the clearance issues at the top of the loop .
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paul - MAGNA NJ rep the 86GN bests 1.41 6.57 105 10.41 129.8 bone stock shortblock ,71GTQ, msbc-1, V2, ported irons ,tt6.0wb 75# ... now extremeauto th400 w/brake , vig converter, FAST, 83s =cracked #3 piston the 87GN , 11.31 ,120.9 TE44, duttneck, weber CNC raceport irons w 1.65 T+D, msbc-1, tial38, hi-pro,protorque, TT 55# through aerochambers big thanks to julio at alkycontrol.com eric at turbotweak.com A little fun with the GNs at Atco video |
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Thanks for those who provided advice. I managed to just undo the rear U joint and drop the driveshaft enough to slide it on. I didn't have to pull the other end out of the tranny. Pacecarta did mention a clearancing issue, on mine I found there's barely enough room to slide my index finger between the top of the driveshaft and the loop. I don't know though if mine will hit or not. Sure would suck to have to mod it as I really don't have the ability to do so at this time.
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![]() 1987 Regal LC2, hot-wired, Walbro 255 lph fuel pump, blue top injectors, Accufab adjustable fuel pressure regulator, Turbo Tweak chip, GN110T cam, TE-44 turbo, Alkycontrol, 3 inch mandrel bent Dynomax exhaust, Scanmaster, OD lockout detent plate, trunk braces, jounce braces, 145 mph speedo, RJC power plate and RJC boost controller Quote:
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The loop is going to need some modding. Mine was hitting on the top of the loop, and I need to cut it and reshape it as pacecarta has done. I pulled mine back out so I could at least drive it until I get it modded. I'm really surprised that this piece doesn't fit better than what it does. I have to be honest, I'm a bit disappointed.
Steve
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72 Stg. 1 Clone Vert undergoing frame off restro 87 GN 02 V-Star Silverado 1100 03 LT Suburban |
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Steve and Paul, How bad were yours hitting? Can you check by placing a load on the rear axle assembly while the rear is suspended on jack stands? And then placing the trans in neutral and turning it by hand and observing for clearance issues? And yes I concur I'm surprised these don't fit better. Makes me want to find someone whos is better if there is such a thing.
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![]() 1987 Regal LC2, hot-wired, Walbro 255 lph fuel pump, blue top injectors, Accufab adjustable fuel pressure regulator, Turbo Tweak chip, GN110T cam, TE-44 turbo, Alkycontrol, 3 inch mandrel bent Dynomax exhaust, Scanmaster, OD lockout detent plate, trunk braces, jounce braces, 145 mph speedo, RJC power plate and RJC boost controller Quote:
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the metco style is better
i had my buddy make up a few like them built from 6" schedule 80 steel pipe cut just over the 2" nhra required width and those are what i run and install , they fit tight to the floor and install without any issues and have no clearance problems even with 3.5" driveshafts heres a pic of his on a car http://www.turbobuicks.com/forums/at...07-medium-.jpg heres the metco that rjc carries http://www.rjcracing.com/RJC_Buick_P...haft_loop.html
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paul - MAGNA NJ rep the 86GN bests 1.41 6.57 105 10.41 129.8 bone stock shortblock ,71GTQ, msbc-1, V2, ported irons ,tt6.0wb 75# ... now extremeauto th400 w/brake , vig converter, FAST, 83s =cracked #3 piston the 87GN , 11.31 ,120.9 TE44, duttneck, weber CNC raceport irons w 1.65 T+D, msbc-1, tial38, hi-pro,protorque, TT 55# through aerochambers big thanks to julio at alkycontrol.com eric at turbotweak.com A little fun with the GNs at Atco video Last edited by pacecarta; November 21st, 2009 at 09:51 PM. |
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I could tell right away it wasn't going to work. With the car on jackstands, suspension fully unloaded, I probably had enough clearance for dental floss. I would also like to note that I have brand new motor and trans mounts on my car. The loop clearly had another inch or two that it could have gone further up into the tunnel.
I tried to do a down and dirty mod on mine to fit because I was doing a late nite thrash session to get to the Oklahoma Nobel event, but it just wasn't gonna happen, so I threw in the towel in disgust, no loop, no racing. Forgot to mention, took the car off the stands, put it into gear, and had a clunk clunk...it was hitting right off that bat.
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72 Stg. 1 Clone Vert undergoing frame off restro 87 GN 02 V-Star Silverado 1100 03 LT Suburban Last edited by GSTOY; November 22nd, 2009 at 10:14 PM. Reason: added more info |
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When I rechecked mine with the rear suspension loaded, I could almost get my index fingers between the shaft and the loop except for the welded area of the shaft.
I took the car out for a spin with the loop installed....drove it about 15 feet with the driver door open and didn't hear any scraping noises. I did however manage to set the knock sensor off a few times romping it...and also getting a false knock on the Scanmaster....so it's possible those few times it did make contact with the loop (will check in a day or so for any "witness marks") but then again that was also a downshift from 4th to 3rd at about 65 mph. I also did a few more romps on the pedal both while at 65 and also from a dead start....with no knock sensor going off and no false KR showing on the Scanmaster. So I dunno if I just got lucky or what.
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![]() 1987 Regal LC2, hot-wired, Walbro 255 lph fuel pump, blue top injectors, Accufab adjustable fuel pressure regulator, Turbo Tweak chip, GN110T cam, TE-44 turbo, Alkycontrol, 3 inch mandrel bent Dynomax exhaust, Scanmaster, OD lockout detent plate, trunk braces, jounce braces, 145 mph speedo, RJC power plate and RJC boost controller Quote:
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*89 TTA Blue-tops, dump pipe & PAC alky, pump gas, & a stk. turbo, I/C, downpipe, (non-alky chip) stk trans & D5, 12.2 @110 on DR's *87 GN t-tops, loaded, on the old stk. stuff, & a street chip 12.9@105 *87 T 50's, stk turbo & longblock, V4, THDP, PAC alky, stk trans & D5, TT alky chip 11.8@112 on DR's & pump gas ![]() *05 Silverado X-tra cab, all alum 5.3, 4WD, 15.5@92 5,400 lbs *95 Caprice, slow *91 Geo Prizm GSI "The winter turd" Certified GM super-tech, since 1990 |
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wheres "kirbans 2 cents" when we need it!
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86 t-type ...flat tappet crankshaft, roller pushrods, domed rods with valve reliefs, h-beam pistons , 231/252 @50.0 timing chain. machined by rage against the machine, bluprinted by Mike and Carol Brady, assembled without instructions using a ripe banana in the oilpan for potassium, zinc and phosphorus 5 TIME PEOPLES CHAMPION current PEOPLES CHAMPION elected by a group of peers and ladies at the local bar. 2009 Intercontinental Inter-racial Champion |
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Mine hit also. I took it off and bought a metco.
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87 GN, PTE 52, BGC stretch intercooler, MSD 50's, AC 9" non/lock, ATR 3'' downpipe with ext wastegate, ATR 2 1/2" exh, MM translator, PMAC tranny, 65mm thottle body and upper plem, All bolt on's only! Full weight. just turned 21,000k 7.31@94mph 1/8th. 11.70 best mph 115. 87 turbo regal, TA Block, Forged, Crank, Rods, Pistions, Billet 214/210 roller cam, Ported TA Heads,TA Headers, 70bb hpq turbo, XFI, Razor Alky,double pumper, Bigwood Racing 3 1/2" downpipe with 50mm turbosmart wg, RJC megacooler,9.5 PTC, Extreme Automatics 2004r, etc. Street car Thanks to Nick Micale, Mike Zimmerman, Hartline Performace. Travis Treadway |
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If anyone wants to return there driveshaft loop they are more than welcome too. No one has called us on this so I had no idea. We do sell alot of these.
Pete Kirbans |
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lol...was thinking the same thing but seriously no offence to Dennis and the crew....I bought mine a few months ago but yet to install it but will be returning it. I discovered the metco soon after.
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1970 TTA in progress...shelfed for now. the mistress; '87 WE4 black out pkg ....cheetah stage V |
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Mine hit the top of the driveshaft as soon as I let the car down. I put a jack under the loop to bend it up. It sort of worked. If I had poeple in the car it would hit going over bumps and hit on a hard launch. Drove me nuts. I took it out and put in a Metco thinking that the oval loop would give me the clearence at the top. Didn't work either. It hit the Metco at about 3 o'clock because it was not centered perfectly. Took it back, I will mod the Kirbans.
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86 GN, TE44,Champion Iron Heads, 3"SS DP, 60lb Motrons, 206/206 Comp Cam, Red's XP pump hotwired, cold air intake, 9x11 2800-3200 Stall Converter, Scanmaster, Direct Scan, RJC Power Plate, Air Bag, Hooker Cat back 11.69@115mph - 21lbs of boost |
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also had problems on 2 different cars. Thought maybe it was the first car, took it back off, and kept it then tried it on the other same reults. It went back and now there is a metco style one on the car
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86 T-Type: TE44/ATR FMIC/50 lb Injectors/TRW .20/Billet Mains/Blueprinted Motor/204-214 Edlebrock Cam/Ported and Polished Heads with Matched Intake/3" THDP/Pypes Performance SS Exhaust System with RacePro Mufflers/TR Custom Parts Big Mouth and MAF Pipe/TT Chip/Translator 6.2 with 3" LT1 Impala SS MAF/Accufab FR/RJC PP/C2 Gauges/Scanmaster/Dynotech Trans/Pats 10" 3000 Stall Converter/3.42 Gears(now)/Taylor 409 Wires/Vac. Brakes Conversion/Turbonetics Boost Controller inside vehicle/UMI Upper and Lower Control Arms/Front and Rear Suspension....All NEW! Link for photos of car: From Recent to 2003 http://s50.photobucket.com/albums/f3...uick%20T-Type/ |
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Sounds like a good idea provided all that bends is the middle section and nothing else.
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![]() 1987 Regal LC2, hot-wired, Walbro 255 lph fuel pump, blue top injectors, Accufab adjustable fuel pressure regulator, Turbo Tweak chip, GN110T cam, TE-44 turbo, Alkycontrol, 3 inch mandrel bent Dynomax exhaust, Scanmaster, OD lockout detent plate, trunk braces, jounce braces, 145 mph speedo, RJC power plate and RJC boost controller Quote:
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