1982 280zx turbo



1982 280zx turbo

Postby philly » January 12th, 2015, 12:22 am

although ive got about 80% of the parts i need for a solid 350hp combo using the stock inline 6... i think im gonna save that stuff for an early z maybe a 70-71 240z to be specific... and so for this project we are finally doing what i should have started doing a year ago... going LS turbo. i bought a couple hundred dollars worth of ebay parts, injectors, some fittings, silicone hose... and over the next couple months ill start updating the progress on parts accumulation and installation. since i dont have a drivetrain at the moment, know this: i will be using an iron block truck motor (4.8/5.3 most likely) and will be sourcing a 4l80e to put behind it because i will be driving this guy everywhere it goes. i dont put my name on trailer queens. or dyno queens for that matter. i am shooting for a useable 600lb ft of torque to the tire, which souldnt require more than a 76-78mm turbo... and will be setting up on a pair of 275xpro mickey thompsons with the stock 15" wheels so it wont be too intimidating. i think my goals are realistic, and theres enough precedent to say my diff will tolerate the torque thru an automatic. i suppose when and if it does break i will have to break down and swap over to a 8.8 irs setup out of an exploder or thunderbird/cougar.

im gonna keep the first post here updated with sources and prices for stuff as i get it so everyone can see what all is goin into the project and where it stands financially to give everyone a good grip on what something like this costs.

phil3a.jpg


cost of the car: $950 ( craigslist )

clean motor.jpg


motor/tranny/harness/computer: $900 ( craigslist )

siemens deka 80lb injectors : $330 ebay http://www.ebay.com/itm/SIEMENS-DEKA-80 ... 78?vxp=mtr

lsx oil supply adapter plate: $26 ebay http://www.ebay.com/itm/LSX-Oil-Pan-Tur ... 76?vxp=mtr

3" to 3.75" coupler for throttle body: $17 ebay http://www.ebay.com/itm/130522446650?_t ... EBIDX%3AIT

faceshield... 3m tekk : $14 http://www.amazon.com/gp/product/B000BO ... UTF8&psc=1

flex hone 4" : $60 http://www.amazon.com/gp/product/B002XU ... UTF8&psc=1

valve train organizer tray $22 http://www.amazon.com/gp/product/B000CC ... UTF8&psc=1

little dremel wire brushes : $12 http://www.amazon.com/gp/product/B000HW ... UTF8&psc=1

comp cams checking springs $8 http://www.amazon.com/gp/product/B000CI ... UTF8&psc=1

proform piston ring filer $55 http://www.amazon.com/gp/product/B00063 ... UTF8&psc=1

burrs for porting heads $80 http://www.summitracing.com/parts/sum-900230

exhaust mnfld gasket $11 http://www.summitracing.com/parts/fel-ms92467

transgo shift kit $78 http://www.summitracing.com/parts/trg-4l60e-hd2

head gaskets $35 for the pair http://www.summitracing.com/parts/nal-12498544

peg style cyl head holders $30 http://www.summitracing.com/parts/pow-pow351410

moroso engine brush kit: $38 http://www.amazon.com/gp/product/B000CO ... UTF8&psc=1

eastwood engine porting kit $33 http://www.eastwood.com/engine-porting-kit.html

jegs cartridge roll assortment $29 http://www.jegs.com/i/JEGS+Performance+ ... 0/10002/-1

i realize alot of this stuff isnt the best prices on these items or the best quality product in its category but i was working with some store credit from summit and an amazon giftcard left over from xmas so i was trying to stay in that spectrum of stuff. anyway ill keep updating as stuff keeps rolling in.
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Last edited by philly on February 18th, 2015, 11:49 pm, edited 4 times in total.
-phil

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Re: 1982 280zx turbo

Postby Indycars » January 12th, 2015, 8:14 am


Can't wait Phil, let's get started now !!! :D

Rick
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- Check Out My Dart SHP Engine Project: viewtopic.php?f=69&t=3814
- Need a Dynamic Compression Ratio Calculator: viewtopic.php?f=99&t=4458
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Re: 1982 280zx turbo

Postby grumpyvette » January 12th, 2015, 9:40 am

I'll be very interested in see what you do to the 4l80E trans to stand up behind that turbo LS, I plan to make the 4l80E trans I purchased for my big block vette engine swap full manual control, as I would far rather go that route than have to spend the time and significant cash outlay to go with a decent programmable control that could easily cost $600-$1200 plus
IF YOU CAN,T SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK!!"!
IF YOU CAN , YOU NEED BETTER TIRES AND YOUR SUSPENSION NEEDS MORE WORK!!
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Re: 1982 280zx turbo

Postby NOT A TA » January 12th, 2015, 9:45 am

Now this is what I like to see! Will be watching for updates Phil.
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Re: 1982 280zx turbo

Postby philly » January 12th, 2015, 10:29 am

Indycars wrote:
Can't wait Phil, let's get started now !!! :D



i cant wait either, hopefully i can knock this out in a few months if i stick to it and stop blowing money on dumb shit. hey by the way i finally got around to mailing you those books, expect delivery on or about the 20th

grumpyvette wrote:I'll be very interested in see what you do to the 4l80E trans to stand up behind that turbo LS, I plan to make the 4l80E trans I purchased for my big block vette engine swap full manual control, as I would far rather go that route than have to spend the time and significant cash outlay to go with a decent programmable control that could easily cost $600-$1200 plus


i intend to use the factory wiring hharness from the donor vehicle of the motor. which will control an 80e or 60e, as for beefing up the tranny, most people making under 1000hp use the transgo hd2 shift kit and a converter without any reported failures... however they do overbore the orifices to increase shift firmness more than the transgo recommendation. i hope to use a trans cooler setup similar to the one you outline for c4's however im not sure where im going to put it, but somewhere in the rear of the car seems to be the spot for it as the front will be "busy" with turbo stuff. maybe in the spare tire compartment in the rear passenger side of the car. where alot of people would relocate a battery. or maybe i should save that spot for some nitrous when i get bored? :twisted: :twisted: :twisted:
-phil

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Re: 1982 280zx turbo

Postby Strictly Attitude » January 12th, 2015, 10:43 am

you have my eyes phil I know we are on the same turbo page are you gonna pull off the compound setup
"IF YOU CAN SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR SUSPENSION NEEDS MORE WORK!!"

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Re: 1982 280zx turbo

Postby philly » January 12th, 2015, 10:53 am

Strictly Attitude wrote:you have my eyes phil I know we are on the same turbo page are you gonna pull off the compound setup



no way, not in this bucket.. i need a proper race car for that kind of power... once i get this girl moving and put her in a few fights to make some money back, ill start looking at buying a car thats already been backhalved, probably a fox body or third gen f bod.. this oversized coke can isnt gonna handle 1500 pounds of twist without a 25.5 cage and a four link. really its not worth it to pay to have the shit done nowadays, so many people abandoning projects you could "buy it done and save a ton" thanks to racingjunk and craigslist.


but believe its not too far from my mind.
-phil

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Re: 1982 280zx turbo

Postby Strictly Attitude » January 12th, 2015, 11:50 am

very true
"IF YOU CAN SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR SUSPENSION NEEDS MORE WORK!!"

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Re: 1982 280zx turbo

Postby philly » February 1st, 2015, 4:12 pm

update: this morning went and picked up a motor, tranny harness and computer for the 280zx... 4.8 LS Vortec and a 4l60e out of a 2004 yukon with 90k miles...

got it home and laid it on my perfectly engineered (totally eyeballed) engine stand pallet

motor arrived.jpg


then quickly undid the harness and covered all the leftover sensors and connectors (the ones i intend on keeping anyway)

harness out ready for clean.jpg


then i gave it a nice bath of degreaser because as you can see... well... ten years of yuck has formed all over the motor. after the degreaser bath i smacked that bitch with the pressure washer, surgically maneuvering so as to not destroy stuff.. then more degreaser then more pressure washer.

clean motor.jpg


hopefully i have time this week to start pulling it apart, if not it will definitely be this saturday night, sunday.
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Re: 1982 280zx turbo

Postby philly » February 1st, 2015, 4:32 pm

i wont be using the ac or power steering stuff from this motor, or the clutch fan, an alternative accesory drive setup may be in order, but in the interest of budget, may not.

the heads on this little guy are 862's... heres some pertinent data from my LS info dump thread... viewtopic.php?f=69&t=10150

Casting Number 706 and 862
Head: 1999+ 4.8L / 5.3 Liter Truck
Material: Aluminimum
Part Number:
12559862
12561706
Combustion Chamber Volume: 61.15cc
Compression Ratio: 9.5:1
Intake Port Volume: 200cc
Exhaust Port Volume: 70cc
Intake Valve Diameter: 1.89 inches
Exhaust Valve Diameter: 1.55 inches

Stock Head Flow Numbers
Chamber 61.15 cc----0.100--0.200--0.300-- 0.400--0.500---0.550---0.600
Intake 200 cc----------63 ---128----179-----210----218----221-----226
Exhaust 70 cc----------54 -- 93 ----121----145-----163----168----174

seriously, many many many people have run these wheezy heads on this puny 4.8 and exceeded the scale on the butt dyno, well into 600+ wheel horsepower, many of them with a couple years of active use (those guys show a restraint and control over the urge to go harder till it pops that i may not be able to exercise) other guys have "broke the knob" turning it up into the 4 digit club before modifying the heads (other than valvesprings) and the bottom end (other than a cam)...

in the interest of reaching my target horsepower with the least resistance possible, i will likely be carving up these little heads, they have a relatively small combustion chamber compared to other LS heads that gives me room for valve unshrouding and overall combustion chamber smoothing without being a great detriment to compression ratio (not that it wouldnt hurt to lower it). in reality i think most of my work will be done in the combustion chamber, then some skinnying of the valve guides, minor bowl touch ups (depending on what i see there) and an 80 grit pass to make an even texture and im done with these suckers... depending on the cost i may or may not have a valve job done on them...
-phil

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Re: 1982 280zx turbo

Postby Indycars » February 1st, 2015, 4:54 pm


Things are looking up, I'm getting excited, how about you Phil !!!

Rick
Too much is just enough!!!

- Check Out My Dart SHP Engine Project: viewtopic.php?f=69&t=3814
- Need a Dynamic Compression Ratio Calculator: viewtopic.php?f=99&t=4458
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Re: 1982 280zx turbo

Postby philly » February 1st, 2015, 8:29 pm

ive got priapism... that is all
-phil

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Re: 1982 280zx turbo

Postby grumpyvette » February 1st, 2015, 8:55 pm

philly wrote:ive got priapism... that is all


its NOT over 570 CUBIC INCHES AND 13:1 compression, and is not running individual stack injection, or webers your just a bit excited and confused!


this is what causes that issue
Image
IF YOU CAN,T SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK!!"!
IF YOU CAN , YOU NEED BETTER TIRES AND YOUR SUSPENSION NEEDS MORE WORK!!
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Re: 1982 280zx turbo

Postby philly » February 1st, 2015, 9:26 pm

that girls shoes (christian louboutin) http://us.christianlouboutin.com/us_en/ cost more than my car or my drive train... just saying...
-phil

There's never enough money to build it right, but there's always enough to build it twice!
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Re: 1982 280zx turbo

Postby philly » February 1st, 2015, 9:27 pm

but yea i would enjoy it very much if she sat on my face... :oops:
-phil

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Re: 1982 280zx turbo

Postby Indycars » February 1st, 2015, 10:06 pm

philly wrote:that girls shoes (christian louboutin) http://us.christianlouboutin.com/us_en/ cost more than my car or my drive train... just saying...

That's disturbing that you would know such a thing ...... I'm keeping
an I on you for further such developments.

Consider your self lucky since I've had a beer and typing on my iPad. :P ;)
Rick
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- Check Out My Dart SHP Engine Project: viewtopic.php?f=69&t=3814
- Need a Dynamic Compression Ratio Calculator: viewtopic.php?f=99&t=4458
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