C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

6.0 LS Swap/Build

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Old Jun 11, 2019 | 08:18 PM
  #321  
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Looking good buddy, You get the engine bolted into the car? Curious on how much room you have running that harmonic balancer?

You could always send me that engine to break in for ya.
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Old Jun 11, 2019 | 08:48 PM
  #322  
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Originally Posted by Mike Holmen
Looking good buddy, You get the engine bolted into the car? Curious on how much room you have running that harmonic balancer?

You could always send me that engine to break in for ya.
It's almost bolted up. Balancer is going to be tight lol
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Old Jun 11, 2019 | 09:04 PM
  #323  
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Nice buddy, I remember installing mine back a few years ago. Was a fun time. Your actually not that far off from starting up the engine.Most of the fast stuff will just plug into the factory sensors. Just need a pressure regular set at 63 psl Even the factory vette pump will do that. I'm still running my stock unit. I hate fixing stuff that isn't broken.
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Old Jun 11, 2019 | 09:16 PM
  #324  
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Originally Posted by Mike Holmen
Nice buddy, I remember installing mine back a few years ago. Was a fun time. Your actually not that far off from starting up the engine.Most of the fast stuff will just plug into the factory sensors. Just need a pressure regular set at 63 psl Even the factory vette pump will do that. I'm still running my stock unit. I hate fixing stuff that isn't broken.
I have a racetronix 255 lph in tank with hotwire upgrade from my old engine. I ordered up some fuel line fittings to plumb this little B up

I have one bellhousing bolt in. Lol
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Old Jun 11, 2019 | 11:47 PM
  #325  
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Awesome progress! I'm enjoying this thread.
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Old Jun 12, 2019 | 10:21 AM
  #326  
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Once everything is settled in, are you going to be able to pull the balancer without lifting the engine or removing the rack?
The way mine sets in, it is a piece of cake to remove the balancer without touching anything else.
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Old Jun 12, 2019 | 11:15 AM
  #327  
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Looking good man. Can't wait to see you get it fired.
Will
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Old Jun 12, 2019 | 08:11 PM
  #328  
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Jeremy, you have any updates? Which cam did you go with again? I can't wait to hear that engine roar. This has to be the best build thread going for the C4's. Thanks buddy for sharing.
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Old Jun 12, 2019 | 10:37 PM
  #329  
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No update today I am just heading home from work right now. Got my 16 hours in lol

I will be back at it tomorrow.

The cam is a custom grind from Pat G ground at Texas speed
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Old Jun 14, 2019 | 04:50 PM
  #330  
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Any of you guys had to get a new driveshaft made for your swaps?
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Old Jun 14, 2019 | 04:55 PM
  #331  
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When I did my 4L80E swap I had to have mine shortened. I'm hoping this thing sits in a way that i don't need to move the trans...
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Old Jun 14, 2019 | 08:10 PM
  #332  
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Originally Posted by Pwnage1337
When I did my 4L80E swap I had to have mine shortened. I'm hoping this thing sits in a way that i don't need to move the trans...
Is $500 the expected price to have an aluminum ds made?
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Old Jun 14, 2019 | 08:56 PM
  #333  
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I took my stock driveshaft in, and he cut out 2" of it, welded it back up and balanced it for $250
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Old Jun 14, 2019 | 09:13 PM
  #334  
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Old Jun 14, 2019 | 09:14 PM
  #335  
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Ran into a bit of a snag. The engine is an extremely tight fit, so I am going to have to unbolt the trans and move it forward one notch on the adapter plates. the next hole forward is .600" forward which should hopefully be enough to get me some firewall clearance.

However that only leaves me with about .400" clearance from the steering rack to the front of the balancer.
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Old Jun 14, 2019 | 11:41 PM
  #336  
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Check this **** out kiddies

Pulled the engine forward and it looks like i'm going to get by running this balancer/accessory setup.

I hacked the collector off the header real quickly, and it tucks right in! Just going to have to persuade one of the brake lines because its really close to #5 primary.

The 45 degree mandrel bend i bought to correct the angle of the header away from the trans is going to be damn near perfect. All i'll have to do is cut the collector back towards the primaries a little more and slam that 45 on there

I set the intake on there just for ***** and giggles






Last edited by Pwnage1337; Jun 15, 2019 at 01:04 AM.
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Old Jun 14, 2019 | 11:58 PM
  #337  
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Success on the passenger side too!

Just going to clearance the #2 and #8 primaries with a hammer to get them away from the AC box and the frame, accounting for engine twist in the bay.

Tomorrow I am going to unbolt the motor mounts and shim the engine up a little bit. I don't like how close it is to the drivers side firewall, right above #7 primary. It is like 1/16" away from touching the firewall. I think if i shim it up 1/8" or so I will be a little more comfortable. not sure how much this one will twist but my 383 twisted a fair bit on the pedestals




Last edited by Pwnage1337; Jun 15, 2019 at 12:00 AM.
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Old Jun 15, 2019 | 12:42 AM
  #338  
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Custom valve covers installed.

I'm headed into the house for the night, more updates tomorrow!
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Old Jun 15, 2019 | 11:13 AM
  #339  
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So c5 longtubes fit if you cut the collectors off?
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Old Jun 15, 2019 | 12:57 PM
  #340  
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Originally Posted by slow_zo6
So c5 longtubes fit if you cut the collectors off?
Yes. I cut the collector off and pulled the engine forward .600" from it's stock positioning and it will take a little clearancing on the passenger side for the evap box and the frame. Im just gonna crack it with a hammer to get 1/2" clearance. I am going to wrap them anyways.

Edit:

I should clarify that the #8 primary isn't touching the evap box, there is about .75" to maybe an inch clearance there, I just want a little more to be safe. The #2 primary is just barely touching the frame, and will end up with only 1/2" or so of clearance to account for engine twist

Last edited by Pwnage1337; Jun 15, 2019 at 01:44 PM.
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