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Blown 408(literally)

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Old 08-13-2010, 11:08 PM
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Awesome!! One more project is done and finished with!!!
Now get some vids and pics of the truck and the engine bay! Hurry!!
Old 08-14-2010, 12:28 AM
  #142  
I have a gauge for that
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Originally Posted by custm2500
Well that should give you plenty of time to dial in the tune. Mind telling me what you have in the motor(pm if you wish)? I am wanting to build a 408 this winter with tax money. Thinking it will be around 4-5 grand so I need to start planning now. Curious on the cost you ran into and any problems you had to over come.
PM me your email and ill send you my spreadsheet were I kept track of everything. Includes prices and part numbers. The only problem I ran into in this entire swap was the damn torque converter bolt rounding off when pulling the 5.3. That in turn caused me to break the pump ring in my built trans, and set me back a good day's worth of time in having to deal with that. The engine build itself went extremely smooth and no issues or surprises.

Originally Posted by Spoolin
Awesome!! One more project is done and finished with!!!
Now get some vids and pics of the truck and the engine bay! Hurry!!
Well the engine bay looks exactly the same as with the 5.3 except I got a fancy valve cover breather for the passenger side and the block and valve covers are black

Im just glad I finally finished putting this thing in. Physically and mentally its been exhausting doing this by myself with no prior experience, and took about twice as long as I planned. At one point the only part of the drivetrain I had installed was the rear-end

Although it starting on the first crank really put a smile on my face

Anyone have any good write ups on how to replace the pump ring in the 60e?
Old 08-14-2010, 12:55 AM
  #143  
I have a gauge for that
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Oh and a final parts list:

2005 LQ9 block
K1 forged stroker crank
Diamond flattop forged pistons with valve reliefs
Callies compstar 6.125" rods
Custom cam by PatG
Stock 317 heads
REV 2.02/1.57" valves
Patriot Gold dual valve springs
comp hardened pushrods
LS7 lifters
rollermaster dual chain timing set
stock rockers
LS6 oil pump
stock 6.0 oil pan, windage tray, oil pickup tube, all covers, and crank pulley
All ARP hardware
All new GM gaskets
LS9 headgaskets
magnacharger crank pinning kit

Reused from 5.3:
waterpump
alternator
ac compressor and bracket
motor mounts
dipstick and dipstick tube
power steering pump
flexplate

Static CR comes out to around 11.1. Boost is provided by a magnacharger tvs1900 with 3" pulley, should be around 5-6lbs.
Old 08-15-2010, 04:35 PM
  #144  
I have a gauge for that
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Ive been working on tuning the last couple days and have the fuel dead nuts on, and timing is at a conservative 15 degrees.....thing is though, it doesnt feel much stronger than my 5.3 did.... injector duty cycle is nearly the same as well, which tells me same amount of fuel = same power. The blower makes around 5.5lbs at full throttle whereas it was 11.5 with my 5.3

0-100 time is around 12 seconds

I attached the tune and log if anyone wants to take a look
Attached Files
File Type: hpt
10-512.hpt (526.2 KB, 83 views)
File Type: hpl
a512.hpl (93.7 KB, 56 views)
Old 08-15-2010, 04:43 PM
  #145  
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maybe since its half tha boost its around tha same horsepower?
Old 08-15-2010, 04:57 PM
  #146  
I have a gauge for that
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Wonder if anyone makes a pulley the size of a quarter for these blowers
Old 08-15-2010, 09:49 PM
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So you've been going WOT with the stock 60e? Like stated above, it's probably cuz your running alot less boost. On the other hand if I just put in a built 408 I would expect so great results.
Old 08-15-2010, 09:54 PM
  #148  
I have a gauge for that
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not through any shifts, and not from standing, always just rolling into the throttle.

I think I am going to order a 2.7" pulley, which should get me around 8-9lbs
Old 08-16-2010, 06:57 PM
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there ya go that sould wake her up
Old 08-17-2010, 05:51 PM
  #150  
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this was probably asked before but why didnt you run set of L92s instead of the 317s?


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