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Behold the 383 shortblock

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Old 03-22-2011, 03:01 PM
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Thanks. The paint has some gold and a bit of green mixed in with the yellow. It looks even better in person, brighter and a little greener. Cameras don't do this stuff justice.

Here's an 80's vintage Pioneer chainsaw that I restored, down to the last bolt and decal. I though the paint would look good on an LS engine.


Last edited by swift700; 03-22-2011 at 03:06 PM.
Old 04-05-2011, 01:08 PM
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I have a gauge for that
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Originally Posted by 1SlowHoe
I hope so, I'm boosting a 10.4:1 408 this month

Atomic ran 11:1 and 8psi on his 410.
Not quite. The 410 was 9.5:1, the 408 was 11:1 with the 8lbs from the blower.

Originally Posted by A Low Dime
And it blew up
Wrong engine. I would still have the 408 with blower setup if the original engine builder had properly set up the main bearings and measured the crank. It ate the main bearing with about 1000miles on it because of taper in the crank journal.

Originally Posted by Keith
Didn't he overboost it once, untuned?
Sort of. It saw 25psi for about 2 seconds at half throttle before I could let out of it, saw no immediate effects from this though.

Originally Posted by 1slow01Z71
I really wouldnt mind running a setup like what atomic did with his 1900 and 408 one day. The high CR blower setups seem to be the most fun to drive which is what Im after, I dont care about all out numbers. I like all of my power to be there right now when I hammer, instant gratification is much more fun
Exactly, that set up was so fun.
Old 04-05-2011, 09:30 PM
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Atomic, it took you long enough to straighten this all out!

I'm still waiting on a few parts to finish this up. Will update as I make progress. I'm ordering 60lb injectors tomorrow along with HP Tuners (now that's a scary thought) and some intake manifold gaskets.

Atomic, what injectors were you running on your 1900?
Old 04-06-2011, 12:28 AM
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deka 60s with a single 255, highest IDC was around 75%
Old 04-06-2011, 01:08 AM
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Originally Posted by swift700
Thanks. The paint has some gold and a bit of green mixed in with the yellow. It looks even better in person, brighter and a little greener. Cameras don't do this stuff justice.

Here's an 80's vintage Pioneer chainsaw that I restored, down to the last bolt and decal. I though the paint would look good on an LS engine.

cool
Old 04-06-2011, 09:23 AM
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deka 60s with a single 255, highest IDC was around 75%
Atomic, do you have any pics of these or the model number? Were there any mods required to make them fit on the 1900?
Old 04-06-2011, 09:24 AM
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They were the long 60s, high impedance, ev6. I believer there is only one version like that. The rails had to be spaced a 1/2" but that was all.
Old 04-21-2011, 12:04 AM
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Today I got my Mast tray in and it cleared the the rods beautifully. Unfortunately, It doesn't clear the oil pan where the cast filter housing juts out. I need to remove it tomorrow and cut out a little bit:



What I need to cut out:


Here's what's hitting:


I also installed my IW pulley. This thing is huge. It bottomed out solidly but I'm wondering if it's seated to the right depth. Is it supposed to bottom out against the timing gear or the face of the crankshaft, I wonder? It didn't seem to line up so well with the water pump. I hope the timing gear is on far enough and that it isn't the problem...


I also picked up these little buggers: 60lbers from Five-O Motorsports. They are modified 8.1 injectors, flow matched and appear as though they'll be a direct fit onto the Maggie 1900:







I got my front and rear covers on as well. I installed the GM rear seal backwards with the lips facing inward. I just had a feeling that it was the way to go.

Last edited by swift700; 04-21-2011 at 12:21 AM.
Old 05-18-2011, 11:22 PM
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I blew my 60e at the racetrack last weekend and am in the process of doing an 80e swap and am finally going to do the engine swap. I got the transfer case and transmission out, changed the transfer case input gear and now I'm so sore I can barely move.

Here's the transfer case split:




My 12mm custom ground allen key for the speed sensors. I made it from a chisel.



New 80e transfer case input shaft installed, compared with the removed 60e shaft.


Fits like a glove, shown next to my 60e that has slipping clutches. The oil was pretty contaminated.



I ordered HP Tuners today. I'll need a new neutral safety switch as it was broken, and a dust cover for the transmission. I'm really looking for a 2600-2800 stall for the 80e. Does anyone have one? What kind would you buy new, especially if you tow?
Old 05-18-2011, 11:29 PM
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Holy **** that 80E converter is a freaking MONSTER! Call Dave & get a Yank ordered for that thing before you install it. Trust me on this, you will not regret it. Don't install that converter!!


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