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Old Sep 2, 2008 | 08:23 PM
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I'm working on a 408 build for my tired 4.8

tsp iron sb, -10cc diamonds
prc 2.5 cnc'd 5.3's.

using the stock 4.8 manifold, throttle body and maf for induction...
(anyway I can improve on this? w/o changing all the front drive's)

what are the torque specs on the oil pan? (as I understand, its a stressed component...)

and will all the sensors hook up in stock location, should I replace any of them? is there any special process for removing knock sensors?

want to make this is as drop in as I can... But never removed such a new engine out of a truck. sorry for all the questions!! and thanks!
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Old Sep 2, 2008 | 08:39 PM
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bump

anyone put a LS engine together that could spare a couple minutes of typing and advice?
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Old Sep 2, 2008 | 08:50 PM
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using the stock 4.8 manifold, throttle body and maf for induction...
(anyway I can improve on this? w/o changing all the front drive's)
The stock intake will choke a 408. The MAF will work, the TB depends on what intake you use.

what are the torque specs on the oil pan? (as I understand, its a stressed component...)
Oil pan to rear and front seal alignment is critical for all LS motors. I still use the GM service manuals for the correct procedure and torque specs.

and will all the sensors hook up in stock location, should I replace any of them? is there any special process for removing knock sensors?
All of the sensors will fit on the 6.0L iron block (it's a truck/SUV block). I recommend replacing all of the sensors (especially on a high mile motor) when installing a new motor. It's not mandatory but is an added piece of mind.
Hope this helps.
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Old Sep 2, 2008 | 09:11 PM
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THANK YOU!!!'

Well.. I guess I should look at a fast92/92 setup or a vic jr... who makes the upper sheetmetal intake plenums I see on so many vic jr's? and where can I get one?

really, I'll looking for a good dd I can just swap cams out for the track... looking at the two peice front covers now.... havent buttoned anything up yet.. taking my time,

I get what your saying on the sensors.. I'll order them tomorrow. Thanks!

any idea what sort of power I'll make with a stock truck intake?
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Old Sep 2, 2008 | 09:42 PM
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did I metion I dont know where to get the upper plenum to replace the 4bbl tb setup?
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Old Sep 2, 2008 | 10:09 PM
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If you are talking about an elbow for the carb style intake you can get them at intakeelbows.com.
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Old Sep 2, 2008 | 10:23 PM
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and thank you!! I will post pics and numbers once I drop it in... got to find out how to align my front and rear covers now... w/o special tools.. along with the oil pan. cant afford gm's magic gold right now.
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