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#1 |
Super Moderator
Join Date: May 2007
Location: Billings, Montana
Posts: 1,034
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To do it properly, you would have to remove the block because you would also have to remove your rotating assembly (crankshaft, pistons, connecting rods). This way the block can be dumped into a cleaning bath so it can be inspected for cracks and other defects. This also gives you the chance to do a full rebuild on the car, so you get a nice clean start for your upgrades.
If you are fairly confident in the bottom end, you can leave the block and the rotating assembly in the car. By doing so, you'll be taking all of the labor of smoothing the surface into your own hands. It'll take several hours, but it can be done. There are 2 threads that I've read that seem to be fairly informative on this topic. The first one, they decided to smooth the block by hand. Check it here. The second one, he took it to a shop and had it dunked. Check it here.
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1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels |
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#2 |
Intake
Join Date: Aug 2009
Location: Australia
Posts: 48
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hey...i jus got my car a coupl of weeks ago, and yer i jus got it rego'd on the weekend, pretty awesome haha
anywayz...i am havin problems wit my speedo 2 (i got a manual btw)...i jumped under the car, and i saw where the cable comes outta the box and into the fittin , and then the next cable from the fittin goin up (towards the firewall im guessin lol) BT, you said it is a 3-piece speedo cable? where is the other connection? cause im gonna put a new cable through and i jus wanna make sure i know what i gotta b lookin out 4... thanks in advance. |
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#3 |
Intake
Join Date: Sep 2009
Location: Powell, Wyoming
Posts: 32
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Oh i see, well thanks alot man. Im not sure if i can afford to do a total block rebuild pistons, cams, crank, ect. so if i can get away with it for awhile then i will wait to do that. And so would the machince shop do all of that for me? remove the motor and dip the block and all??
And yes it is a 3 connection cable tho i havent been able to get underneath it to see were all the connections are. You said the cable was out of the box? as in the transmission?? so the third cable couldve fallen out. |
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#4 |
Intake
Join Date: Aug 2009
Location: Australia
Posts: 48
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ok fair enough.
yer thats right... gearbox/ transmission lol well i know where it comes out from the side of the tranny, and ive looked behind the cluster...so i jus got to locate where the middle part, or where the other connection is...when i find out ill let you know...or if you find out before me, let me know hahaha ...but i dont know about falling out...im thinkin that the cable has may have snapped...if its the original cable, then it wouldnt suprise me if it has snapped cause its gettin pretty old lol |
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#5 |
Super Moderator
Join Date: May 2007
Location: Billings, Montana
Posts: 1,034
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Most of the speedo cable is 1 long piece from the gauges down near the tranny. The second piece is only about 6-7 inches long, I believe it's got a slight curve in it. The last piece is a short, somewhat curly piece (often called a "pig tail") that connects to the transmission.
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1989 7MGTE R154 Targa Top White Package w/Blue Interior Driftmotion 57trim CT26, Upgraded Intercooler, 2.25" Hard Pipes, 3" Turbo Back Exhaust with Test Pipe, HKS VPC w/GM 3 bar MAP sensor, APEXi S-AFC, Walbro 255lph fuel pump, ProSport EVO Series Boost / Fuel Pressure / AFR gauges, Lotek a Pillar Gauge Pod, HKS Type 0 Turbo Timer, Eibach Lowering Springs, Tokico Illumina II TEMS struts, custom powder coated Motegi Racing TrakLite wheels |
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#6 |
Intake
Join Date: Aug 2009
Location: Australia
Posts: 48
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ok cool...thanks 4 that man, i will go have another look at it when i get the chance, i must have missed the link between the part coming out of the box and the short piece and just thought they were together lol
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#7 |
Intake
Join Date: Sep 2009
Location: Powell, Wyoming
Posts: 32
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Well hope you get it fixed, thats all i thought id have to do..now a new head gajet rebuild is up lol sadly i wont get to start on it for along time..grr
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#8 |
3" Exhaust
Join Date: Aug 2009
Location: Southern Oregon Coast
Posts: 83
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I'm in the middle of a rebuild and I have to say taking the block out and having a shop shave the block and heads is the way to go. After years of slow leaking HG - it will eat away at the block surface making it very difficult to get it cleaned enough for another gasket to seal. The pitting and corrosion leaves defects that need to machined out.
Since the shop can do this with the block out, you can easily go to Metal HG and save the worry. Also, if it has been leaking awhile – you will want to do a bottom end rebuild just to get the new bearings and rings in. My crank and block checked out OK so it was $200 for the ring/bearing kit plus the $150 in shop costs to clean and shave the block and flywheel. I too have debated on stock or metal HG but the cost difference is $50 out of $1200 so if the block is out anyway – might as well do it right. The $1200 I’m into it now is $500 in shop costs and $700 in parts but it is a complete engine rebuild with new clutch |
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#9 |
Intake
Join Date: Sep 2009
Location: Powell, Wyoming
Posts: 32
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Complete rebuild as in new cams pistons and a crank? Cuz if you can do that for 1200 than im tempted to do so myself.
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#10 |
Intake
Join Date: Aug 2009
Location: Australia
Posts: 48
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yer i think im up 4 a hg to, but im not 100% sure...if my radiator build up pressure after about 10sec of the motor runnin...does that mean the hg is blow and is sendin gas through the water mains???
oh and i also hav a new repair to do amung the rest of the speedo cable etc. lol....i broke an axle, so there is a day lost this weekend hahaha ...lucky i got a spare diff with the car when i bought it =P |
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