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PostPosted:Wed Apr 16, 2014 9:16 pm 
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Big Block

Joined:Thu Jul 21, 2011 2:16 pm
Posts:815
Car Details:1980 2nd Gen, 6.0 iron block LS, 4.11 12 bolt axle, Brute Strength Posi, Lowered 2", sub frame connectors, G-braces, Carbon hood and front bumper cover
Location:Norfolk
So, I've been working on a trashed 700r4 I picked up last year for about $80. I knew that it would need a rebuild.

Went with a PATC Junior Raptor rebuild kit which came with a host of upgrade parts, including huge billet servo, beast sun shell, upgrade sprags, big intermediate and low/reverse boost valves etc. I also fitted an Alto Z-pak in the 3-4 clutch. Topped it off with a full Transgo reprogramming kit. Heavy duty 45.5" drive shaft.

At the same time I changed my rear axle to a 4.10 12 bolt with Moroso Brute Strength posi and Superior steel shafts.

Finished the install today. Checked line pressures:

P - 120 PSI
R - 180 PSI
N - 120 PSI
D - 120 PSI
3 - 120 PSI
2 - 220 PSI
1 - 220 PSI

Pressure rises in P to 200 as soon as the TV cable is moved about 1/16". So from the info I can find it all looks OK.

It's really transformed the car, I did have a 2.42 and TH350, I don't think the rear tires are going to be lasting long at all.

All the shifts are super firm. I do need to check to see if its locking up in 4th, can't tell whether it is or not. Running a single wire set up with a pressure switch for 4th only, so I think it should lock up as it shifts into 4th anyway.

Fitted a big Mocal 32 row fluid cooler and I am seeing fluid temps maxing out at 175F.

With 28" tall rear tyres the engines running 2400rpm at 60mph in OD.

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_________________
My '80 progress thread - hugger orange! Now with LQ9 power - forged pistons, LS2 rods, 236/242, .621/.612, flowed and milled 317 heads. MS3X

4L80e, 12 bolt, 4.11, Moroso brute strength posi, steel shafts.

Subframe connectors, g-braces, solid body bushes, carbon hood and front bumper, custom door cards, Autometer gauges.


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Just finished my 700r4 install

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PostPosted:Wed Apr 16, 2014 9:43 pm 
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Big Block
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Joined:Fri May 11, 2012 10:54 pm
Posts:463
Car Details:4th Gen ls1
Lowered,rollin on 18"s
Lots of std stuff
Location:Wiltshire
Hats off to you Flak Monkey Bravo :clap: :clap:
Whats next on the to do list :?:

_________________
Some days it just isn't worth chewing through the restraints !!!!


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