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Chevelle 4.8 Turbo

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Old 06-04-2012 | 07:53 PM
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Originally Posted by 99VetteFRC
Learna lot reading this forum!!!
Old 06-04-2012 | 09:30 PM
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nice choice of car love the LS conversion...
Old 06-05-2012 | 04:47 AM
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Originally Posted by LS102ws6
nice choice of car love the LS conversion...
Thanks!!!
Old 06-07-2012 | 04:42 PM
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After driving the Chevelle for a couple days with the new belt routing I started getting a little squeek when snapping the throttle. I found that the belt had stretched a little. I guess it was just too long, too late though can't return it now. My solution was to add an idler pulley to take up some slack, and it was free! I cut a longer bolt to the lenth I needed and tapped new threads to it and mounted the idler with a tubular space like I did for the idler relocation on the driver side. I used the bottom tensioner bracket mounting hole. works great.
Chevelle 4.8 Turbo-dscn1399.jpg
Old 06-11-2012 | 02:38 PM
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^^ what ever it takes to get it done..

Any video's of the car running on the turbos?
Old 06-11-2012 | 08:40 PM
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Originally Posted by mdrn69velle
^^ what ever it takes to get it done..

Any video's of the car running on the turbos?
Unfortunately the hairdryers are not in the car yet.... soon, very soon!!!
Old 06-17-2012 | 05:43 PM
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Gonna start installing turbos in the morning. I need some help with a base tune for HPTuners. Can anyone help?
Old 06-18-2012 | 04:26 PM
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Originally Posted by 99VetteFRC
Gonna start installing turbos in the morning. I need some help with a base tune for HPTuners. Can anyone help?
Talk to this guy he was very helpful to me also and he has done a 5.3 build with twins and doing his own tuning too.

http://www.chevelles.com/forums/showthread.php?t=365544
Old 06-18-2012 | 08:25 PM
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Originally Posted by 68BBChevelle
Talk to this guy he was very helpful to me also and he has done a 5.3 build with twins and doing his own tuning too.

http://www.chevelles.com/forums/showthread.php?t=365544
Cool, Thanks alot I will check it out!!!
Old 06-18-2012 | 08:33 PM
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Today I installed the turbos, made the right downpipe and got the top half of the oil feed lines put together. I also made the left downpipe but didn't get it installed. Tomorrow I will instal the left downpipe, finish the oil feed lines and install the return lines. I will post more pics tomorrow.
Attached Thumbnails Chevelle 4.8 Turbo-dscn1418.jpg   Chevelle 4.8 Turbo-dscn1422.jpg   Chevelle 4.8 Turbo-dscn1424.jpg   Chevelle 4.8 Turbo-dscn1425.jpg   Chevelle 4.8 Turbo-dscn1427.jpg  

Chevelle 4.8 Turbo-dscn1428.jpg  
Old 06-18-2012 | 09:55 PM
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Looking good!
Old 06-19-2012 | 12:28 AM
  #232  
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looking nice.
Old 06-19-2012 | 04:30 AM
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Lets hope it runs when I'm done!!!
Old 06-19-2012 | 07:41 AM
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Looking good brother. The hood closes with no problem right? Really wish I had stuck with my truck accessories. Can't put my drivers side turbo where yours is because of the alternator.
Old 06-19-2012 | 11:17 AM
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Originally Posted by kainedogg
Looking good brother. The hood closes with no problem right? Really wish I had stuck with my truck accessories. Can't put my drivers side turbo where yours is because of the alternator.
Hood closes just fine. Now the problem is the steering shaft hits the manifold and is binding, I doesn't when its on the lift.
Old 06-19-2012 | 12:05 PM
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Can you dimple the manifold or do you fear you may impede flow?
Old 06-19-2012 | 07:15 PM
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I don't think I can dimple cast iron. I was thinking about getting a Borgenson (spelling?) u-joint. that may fix the issue. I will snap some pics in the morning and post so you can see.
Old 06-19-2012 | 07:22 PM
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What you doing for oil feed and return line? Feeding off the oem oil pressure port behind the intake?
Old 06-19-2012 | 07:45 PM
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Quick video of first start.

Old 06-19-2012 | 07:48 PM
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Originally Posted by 68BBChevelle
What you doing for oil feed and return line? Feeding off the oem oil pressure port behind the intake?
I teed off the oil pan adapter and ran a hard line up to a T fitting to 2 braided lines. All 3/16" hard line and 1/8" NPT braided to -4AN at the turbos. returns are -10AN. got the kits off Ebay cheap.


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