LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

I should not be left unsupervised

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Old Apr 15, 2011 | 07:02 PM
  #451  
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From: Elk City OK
Car: 92 25th anv z28
Engine: 346 TC78 Turbo
Transmission: 4L80E
Axle/Gears: 3.25 9"Nodular, Strange axles
Re: I should not be left unsupervised

Looks good! I'll be painting my engine bay as well as a 4l80e swap and some more goodies.. Keep us posted on that swap! Were all jealous!
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Old Apr 26, 2011 | 09:38 PM
  #452  
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: I should not be left unsupervised

I checked those places you are having issues with on your k member and I am not experiencing those issues. This is at full droop:

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Old Apr 27, 2011 | 07:26 PM
  #453  
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Re: I should not be left unsupervised

Turn the wheels some, itll hit

Upper contact occurs when going over large bumps with the wheels turned
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Old May 3, 2011 | 11:12 PM
  #454  
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Re: I should not be left unsupervised

Had some free time today and got alot done

Trans attached to the 6.0. Heavy little devil there
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Built my own stands and solid mounts. Ive read mixed reviews about solids in a street car. If they're excessive, Ill just swap them for polys. The mounts I built are the same dims as a stock clamshell
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Well that was fast
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Main bracket
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Big daddy
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Some of my pre-fab tubing
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This is getting too easy
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Old May 3, 2011 | 11:19 PM
  #455  
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Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: I should not be left unsupervised

somethings missing... wait where's the second blower!
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Old May 3, 2011 | 11:21 PM
  #456  
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Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: I should not be left unsupervised

Freaking sick. If you decide to make a few rounds of those brackets I may try to get a set from you later. Seems like this would be a cheaper way of forced induction than a turbo
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Old May 3, 2011 | 11:51 PM
  #457  
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Re: I should not be left unsupervised

Brackets are semi-simple. The dual pattern crank pulley design is quite something, making copies will get expensive FAST. It takes a 4" diameter x 10" long solid piece of 4130 to make just the hub. I got lucky and scored one off craigslist for $20, try pricing that sucker
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Old May 4, 2011 | 01:25 AM
  #458  
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
Re: I should not be left unsupervised

Are you running an intercooler?
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Old May 4, 2011 | 06:15 AM
  #459  
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Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: I should not be left unsupervised

how on earth did you score a 4" diameter, 10" long piece of solid 4130 off of craigslist? i need your craigslist!
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Old May 4, 2011 | 08:09 AM
  #460  
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Re: I should not be left unsupervised

Are you running an intercooler?
Yes, 31x12x4 ATA FMIC in front of the radiator

how on earth did you score a 4" diameter, 10" long piece of solid 4130 off of craigslist? i need your craigslist!
Guy was using it as a doorstop
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Old May 4, 2011 | 09:22 AM
  #461  
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Car: 89 GTA
Engine: 5.7 TPI L98
Transmission: 700R4 w/ Stage 2 shift kit & stall
Re: I should not be left unsupervised

Probably the best SC thread on this site.I'm subscribing.
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Old May 4, 2011 | 10:57 AM
  #462  
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Car: 1986 Firebird
Engine: 6.0L LSX
Transmission: 4L60E
Axle/Gears: 3.73
Re: I should not be left unsupervised

I assume the 80E is in there. How much hammering did you have to do to get it to fit?
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Old May 4, 2011 | 11:14 AM
  #463  
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Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
Re: I should not be left unsupervised

Originally Posted by mille_3
I assume the 80E is in there. How much hammering did you have to do to get it to fit?
I am also as interested in this for a friend considering a duramax in a thirdgen project.

Also anxiously waiting to hear about which of the cheap headers that you came up with fit (or did I miss that?).
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Old May 4, 2011 | 12:03 PM
  #464  
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From: Oregon
Car: 91 Camaro RS
Engine: L03
Transmission: 700R4
Axle/Gears: stock...
Re: I should not be left unsupervised

Originally Posted by ericjon262
somethings missing... wait where's the second blower!
I would vomit, or my head would explode, ... sheesh, two of those monsters on 1 engine, ... I dont know what to say, I think I am in shock. Now excuse while I go and giggle like a school girl.
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Old May 4, 2011 | 02:33 PM
  #465  
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Re: I should not be left unsupervised

I assume the 80E is in there. How much hammering did you have to do to get it to fit?
Needs a dimple for the main connector, its touching lightly. Havent found any other contact areas, but its TIGHT. Ill post pics later on

which of the cheap headers that you came up with fit (or did I miss that?).
2010 camaro headers are out. #5/6 primaries occupy the same place as the rear A-arm mounts. They're also about 1.75" lower than the Hawks headers which isnt a huge deal until you see how low the hawks headers hang. No easy way to get them working

Back to it. The main alum plate is actually higher than in my drawings. I messed up and ran the bolts through the upper bolts instead of the lowers. Stock hood is out. I notched the middle some and a RAII hood fits perfectly. Threw some old coolant/washer jugs in there to check fitment. Looks like I built it around them. Ill order some new ones from the dealer. I think Im going to go with a stock 3rd gen cruise unit again. I fabbed one up for someone else and it was very simple. I know those work, had too many problems with my digital unit frying

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Hood fully closed and latched. Nostril edge has about 1/2" clearance. Still have tons of room up front for an air box
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Old May 4, 2011 | 05:10 PM
  #466  
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Car: '89 GTA
Engine: 5.7L LS1
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Axle/Gears: 9 bolt 3.27
Re: I should not be left unsupervised

I just wonder if that radiator will be sufficient?


You need a red 10 rib belt. It'll make it faster.

Last edited by White'89; May 4, 2011 at 05:13 PM.
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Old May 4, 2011 | 09:20 PM
  #467  
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Re: I should not be left unsupervised

Heres a few more detailed pics of the '80. It fits nicely, but exhaust will be tricky

In there, pan is a bit lower than the '60 or Fbody oil pan, but not excessive. Might have to trim the front wings off to fit headers. No big deal
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Plenty of room for the trans lines
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Theres already a divot in the trans tunnel for something. Needs a few light whacks up top to get some room for engine torque in case I switch from solid mounts to polys. '80 gear select shaft is not compatible with the 3rd gen cable. I ended up using half form the '80, half from a 3rd gen
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No known bracket will hold a 3rd gen cable correctly so this is what I cooked up. It was a 3rd gen piece at one point in time. My original cable was night enough to break right at the tip of the guide sleeve, so I get to buy a new one before going much farther. It keeps the cable tight to the pan for max exhaust clearance
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Last one for now. Even though the trans is enormous, the tail housing and output shaft are roughly in the same location as the 700R4/4L60/4L60E. Adapting the stock torque arm mount wont be difficult. The actual crossmember I plan to tie to the SFC's. Using the stock bolt holes would make the shape a giant U which wont be very strong, but will be directly in the way of the exhaust
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I just wonder if that radiator will be sufficient?
I dont see why not. Several guys pushing hotter setups on stock LS1 radiators which are smaller than those in 3rd gens

For the belt, I would have preferred black, but apparently all HD fleetline belts are John Deere green
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Old May 4, 2011 | 10:34 PM
  #468  
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Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: I should not be left unsupervised

Originally Posted by Pocket
Guy was using it as a doorstop
GD! that'd be one Hell of a doorstop!
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Old May 24, 2011 | 11:42 PM
  #469  
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Car: 1989 IROC-Z28 Camaro
Engine: 403 LSX
Transmission: TH400
Axle/Gears: Moser 9" 3.25's
Re: I should not be left unsupervised

Any updates Pocket?
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Old May 25, 2011 | 12:23 PM
  #470  
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Re: I should not be left unsupervised

WOW! Great project Pocket you are a talented man.
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Old May 27, 2011 | 10:17 PM
  #471  
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Re: I should not be left unsupervised

Looking pretty good John. I keep checking in from time to time.
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Old May 27, 2011 | 11:23 PM
  #472  
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Car: '91 TA vert
Engine: turboLSx
Transmission: T56
Axle/Gears: 3.23
Re: I should not be left unsupervised

Originally Posted by Pocket
I think Im going to go with a stock 3rd gen cruise unit again. I fabbed one up for someone else and it was very simple.
Did you just weld a tab on the LSx throttle bracket for the 3rdgen cruise cable?
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Old May 29, 2011 | 09:46 PM
  #473  
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Re: I should not be left unsupervised

Thats exactly how I did it
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Old Jun 3, 2011 | 09:55 AM
  #474  
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Re: I should not be left unsupervised

Hey Pocket,

Are you saying the 2010 Camaro headers will work or not? Just curious.
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Old Jun 3, 2011 | 11:59 AM
  #475  
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Re: I should not be left unsupervised

They do not

Rear A-arm mount interference, everything else cleared fine
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Old Jun 14, 2011 | 06:36 PM
  #476  
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Engine: LT1
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Axle/Gears: fourth gen 3.42
Re: I should not be left unsupervised

I keep coming back every now and then just to check in on this project since my thread died :P

looks awesome Jon cant wait to hear it.

~Steven
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Old Jun 14, 2011 | 09:33 PM
  #477  
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Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
Re: I should not be left unsupervised

Pocket your thread is awesome, I wanted to say that seeing that 4L80e has helped my friend immensely.

He is knee deep in a 70 bronco 5.0L project now, but his next project is likely going to be a thirdgen with a Duramax.
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Old Jun 14, 2011 | 10:22 PM
  #478  
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Re: I should not be left unsupervised

pocket you have skills and determination. Determination over all xplains your skills . You are admired!
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Old Jul 11, 2011 | 10:35 PM
  #479  
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Car: 85 2M6, 87 'Bird 88 'burb
Engine: LX9, LG4, L05
Transmission: F23, 700r4, 700R4
Axle/Gears: 3.63, 2.73, 4.10
Re: I should not be left unsupervised

update?
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Old Jul 11, 2011 | 10:43 PM
  #480  
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Re: I should not be left unsupervised

Hey Steven! What's up man?

Yeah Pocket...what's up with your project??

Originally Posted by kthxbai
I keep coming back every now and then just to check in on this project since my thread died :P

looks awesome Jon cant wait to hear it.

~Steven
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Old Jul 12, 2011 | 12:12 AM
  #481  
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Car: 1989 Camaro RS
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Re: I should not be left unsupervised

+1 new2chevy
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Old Jul 13, 2011 | 09:43 AM
  #482  
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Re: I should not be left unsupervised

Not much to report. Just rolled the car back into the garage, been working on other projects. Did a few minor things though

Got another AC delete box, cleaned it up and put it in
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Got a free set of LS1 fans and stuffed them in there. Pass side didnt fit so I cut it out, the assembly still fought tooth and nail going in. Still need to order a few more T-bolt clamps to button up the intake tract. I went with a steel 90* vs a large silicone elbow. The old elbow liked to balloon quite a bit when I got into the boost


Scored a Cadillac pusher fan from the yard and mounted it up front where the other fan got cut out. Had to update the wiring to switch from single to dual fans


Quick pic of the balancer assembly with belts. Im still giddy with how that turned out. Looks funny but the drive belt is in the stock Fbody LS1 location. You can see just how close the 10 rib is to the drive to minimize crank snout stress
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Hope to be rolling before fall autofair
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Old Jul 13, 2011 | 11:34 AM
  #483  
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Engine: 6.2L
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Re: I should not be left unsupervised

Pocket you definitely have the sickness brother. I wonder what this one will put down?
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Old Jul 13, 2011 | 12:18 PM
  #484  
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Re: I should not be left unsupervised

Hopefully north of 500 to the wheels. If not, Ill have to put a real cam in there. Maybe move the TB to the SC inlet and use all the ducting as plenum volume. Truck guy did that with a whipple kit and it REALLY made a difference
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Old Jul 14, 2011 | 08:15 PM
  #485  
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Re: I should not be left unsupervised

Dont think Ill have any trouble stopping. CTS-V vs LS1 Fbody vs stock 3rd gen

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Conflicting reports of how much rotor I can cram under a 17" C5 wheel. Find out once and for all if its a 14" (C6 Z06) or 13.4" (C6 Z51) in a few days

Got some tubing and will attempt a set of SFCs this weekend. Will be building the crossmember off the SFCs, so its time to set the driveline angle. So far the engine/trans have been supported solely by the solid mounts
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Old Jul 14, 2011 | 08:57 PM
  #486  
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Re: I should not be left unsupervised

Them CTSV calipers are awesome. Better than the ZO6 brakes imo.

As for SFC's? Done many kinds and the square tube stitch welded into the rocker seam style are by far the best. SSM are the ones I first used like this iirc then Kenny Brown? I think that was his name but the x-brace upgrade to the SSM were mint. I have a hybrid of both now and no flexy nada
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Old Jul 14, 2011 | 09:06 PM
  #487  
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Re: I should not be left unsupervised

wow that is some great work you are doing.
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Old Jul 15, 2011 | 04:19 AM
  #488  
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Car: 1986 Trans am
Engine: 5.3 LM7
Transmission: T56 6 speed
Axle/Gears: Dana 44 w/ 3.55's
Re: I should not be left unsupervised

Wow pocket, last thing I remembered was seeing your car in the classifieds, and now it's got a 6.0 with a GT500 blower strapped to it! Change your mind? LOL.....good to see you kept it. Awesome project too! I just spent the past 3 hours reading through your build and it is almost 5:30 AM here. Before I passed out and smashed my head on my keyboard I figured I'd tell you that the project looks great, and I along with many others can't wait to see what this baby makes for power. I went the turbo route, but superchargers are awesome as well with thier instant torque and throttle response. In a perfect world, I'd have a blower car, and turbo car! Maybe when I win the lotto lol. I'll be keeping my eyes on this! Good luck.
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Old Jul 15, 2011 | 12:21 PM
  #489  
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Re: I should not be left unsupervised

Pocket has quite a project on his hands. And I thought my project was hard. he he he
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Old Jul 15, 2011 | 01:05 PM
  #490  
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Car: 1991 Z28 convertible built 3/1/1990
Engine: Cammed 6.0L LSX
Transmission: T56
Axle/Gears: custom Ford 8.8", 4.10 gears
Re: I should not be left unsupervised

Hey Jon, on a serious note, how much would you charge to make me a similar setup of brackets and a new crank pulley so I can do this on my car? I have been thinking of selling my exhaust system and going turbo, but you always seem to find cheaper ways of making good power. I'd go with a blower if it'd save me some money.

You can PM me if you want thanks!
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Old Jul 16, 2011 | 09:00 PM
  #491  
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Transmission: 4L60E
Axle/Gears: 9 bolt 3.27
Re: I should not be left unsupervised

Originally Posted by Pocket
Maybe move the TB to the SC inlet and use all the ducting as plenum volume. Truck guy did that with a whipple kit and it REALLY made a difference
Sounds interesting, got a link by chance?

Originally Posted by Pocket
Dont think Ill have any trouble stopping. CTS-V vs LS1 Fbody vs stock 3rd gen


That's just comical.
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Old Jul 19, 2011 | 01:13 PM
  #492  
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Re: I should not be left unsupervised



14" rotors are out, atleast with 17" wheels
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Old Jul 19, 2011 | 02:41 PM
  #493  
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Car: 1992 B4C 1LE
Engine: Proaction 412, Accel singleplane
Transmission: built 700R4 w/custom converter
Axle/Gears: stock w/later 4th gen torsen pos
Re: I should not be left unsupervised

Man, I hope the 13.4" work. If they don't, I wouldn't think you will have any trouble getting rid of those brakes. Would they fit with 18's?

Last edited by B4Ctom1; Jul 19, 2011 at 02:56 PM.
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Old Jul 19, 2011 | 02:59 PM
  #494  
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From: NC
Car: 91 Trans Am
Re: I should not be left unsupervised

Yes

Not dumping the brakes, exchanging the 14" rotors for 13.4" rotors

Believe it or not, ebay has the Z51 rotors at 1/2 price of the Z06 rotors

Centric 121.62086
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Old Jul 19, 2011 | 11:07 PM
  #495  
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From: Dixon, IL
Car: 91 RS
Engine: LTwon
Transmission: T-56
Axle/Gears: Both
Re: I should not be left unsupervised

very impressive jon.

diggin the pink fuel rails.!
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Old Jul 19, 2011 | 11:48 PM
  #496  
White'89's Avatar
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From: Cincinnati, Ohio
Car: '89 GTA
Engine: 5.7L LS1
Transmission: 4L60E
Axle/Gears: 9 bolt 3.27
Re: I should not be left unsupervised

Originally Posted by cprmn14
very impressive jon.

diggin the pink fuel rails.!

99.9% sure those are red.
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Old Jul 20, 2011 | 12:59 AM
  #497  
iansane's Avatar
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From: Tacoma, Wa
Car: '91 TA vert
Engine: turboLSx
Transmission: T56
Axle/Gears: 3.23
Re: I should not be left unsupervised

The Z51 rotors definitely fit.
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Old Jul 20, 2011 | 03:39 PM
  #498  
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Joined: Jun 2003
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From: Rockville, MD
Car: 1989 Camaro RS
Engine: Ellis Juan
Transmission: t-56
Re: I should not be left unsupervised

Originally Posted by Pocket


14" rotors are out, atleast with 17" wheels
i couldve told you that. however weld RTS 17s will work
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Old Jul 21, 2011 | 09:43 PM
  #499  
Pocket's Avatar
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From: NC
Car: 91 Trans Am
Re: I should not be left unsupervised

Success in the yard today

96 Ranger had an 8.8 with a 3.55 posi. Picked it up for $75. Here it is compared to the 10 bolt from a 98+ Fbody
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Fbody axles stuck in it to see how much difference there is. Drivers side is about 3" short, pass side about 7". Crown vic and rangers used a 28 spline 8.8 and commonly had posi's. Explorers and F150's used 31 spline axles. No big deal except I dont have any 31 spline axles in Fbody length handy
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Jig built. Only variable not set by the jig is rotation of the hogs head, which an angle finder will easily nail down because it's set to 0*. The little tube near the yoke is a peep sight so I can gauge how much the driveshaft CL moves. No one has ever reported issues with DS alignment, Im just curious
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Tomorrow Ill cut the tubes and weld everything up. Fresh axle seals and fluid should button up the build. Stronger axle for <$200

Side question, can anyone think of a good reason NOT to put the DS safety loops directly on the torque arm? Seems like a better idea than small crossmembers mounted to the chassis. The TA moves with the DS, the chassis mounted loops have to be ovaled to account for the travel. I checked the NHRA rulebook and the only regulation is dimensions of the loop itself, not how its mounted
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Old Jul 21, 2011 | 09:51 PM
  #500  
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
Re: I should not be left unsupervised

how are you planning to do the TA mount?

i see no issues with running the loop on the arm itself, as i've wondered the same thing. i've thought about putting one at the back by the pinion yoke too.
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