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1984 rx7 5.3L turbo s475/th400/8.8 /E85 (sloppy style)

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Old 01-22-2016, 12:51 AM
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looking good! just got my gt45 today, lovin' it
Old 01-23-2016, 07:38 AM
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another pic of the ugly hotside





Used this T4 flange from ebay. Made everything alot easier, atleast in my opinion. I paid 40$ i believe.



Last edited by a4ls2goat; 01-24-2016 at 09:15 AM.
Old 01-23-2016, 08:51 AM
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What size hot side tubing? Sorry if I missed it
Old 01-23-2016, 01:16 PM
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2.25in
Old 01-23-2016, 01:43 PM
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That's a cool flange piece!

Where are you going to mount the wastegate?
Old 01-23-2016, 03:08 PM
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31x12x3 intercooler. 3inch piping.
60mm ebay wastegate. This thing is huge!





Old 01-23-2016, 03:09 PM
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Originally Posted by krazy4
That's a cool flange piece!

Where are you going to mount the wastegate?
Most likely where ever there is space. Gona be mounted only to one bank. Should still control boost pretty good judging by the size of the gate and ill be running 20psi.
Old 01-24-2016, 09:08 AM
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Random shot


Old 01-24-2016, 10:33 AM
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Any reason you went that large if a gate?
Old 01-24-2016, 10:53 AM
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Originally Posted by gtfoxy
Any reason you went that large if a gate?

No reason really. I had a 38mm wastegate on my old setup on my GTO and it worked fine. And for the price i figured wth
Old 01-24-2016, 03:28 PM
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My 85 GSL-SE (heaviest 1st gen) weighed 2,520lbs with LS1/T56,full interior (minus evap/heater core in dash), heavy steel dual exhaust, heavy wheels, stock glass, full tank of gas, power windows were still hooked up as well as power steering, No a/c compressor or lines in engine bay.

That put "race weight" at 2700lbs! It was a fun car. Can't imagine with a turbo!

Having the interior gutted probably won't help much - the panels and misc literally weigh next to nothing.

Either way it'll be plenty light with all that power.

What rear end are you using? My stock GSL-SE rear lasted less than a year on the street with a stock LS1.

I like the hoist thing you used at the junkyard. Never seen one like that here in Dallas at the pick n pulls. They have these big *** rolling cranes that have deflated tires hooked up to it. It makes it *LITERALLY* impossible to transport the motor from the vehicle in the back of the yard to the cashier, so you've got to improvise. That's the reason i don't pull motors there anymore even on half off days. Just too much freakin hassle.
Old 01-24-2016, 05:25 PM
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Originally Posted by jonathan_ed3
My 85 GSL-SE (heaviest 1st gen) weighed 2,520lbs with LS1/T56,full interior (minus evap/heater core in dash), heavy steel dual exhaust, heavy wheels, stock glass, full tank of gas, power windows were still hooked up as well as power steering, No a/c compressor or lines in engine bay.

That put "race weight" at 2700lbs! It was a fun car. Can't imagine with a turbo!

Having the interior gutted probably won't help much - the panels and misc literally weigh next to nothing.

Either way it'll be plenty light with all that power.

What rear end are you using? My stock GSL-SE rear lasted less than a year on the street with a stock LS1.

I like the hoist thing you used at the junkyard. Never seen one like that here in Dallas at the pick n pulls. They have these big *** rolling cranes that have deflated tires hooked up to it. It makes it *LITERALLY* impossible to transport the motor from the vehicle in the back of the yard to the cashier, so you've got to improvise. That's the reason i don't pull motors there anymore even on half off days. Just too much freakin hassle.

I will be doing the 8.8 rear swap.
And yea i was happy to find that jack at the junkyard it made it a breeze to pull it!
And thx for the info.
At "2800lbs" race weight it should fly with the power.
Old 01-24-2016, 05:50 PM
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FWIW I pulled the door crash bars today. About 12lbs each. Plus 1.5lbs or so with all the scrap I cut out of the outer skins to get to them. Horrible messy job. But 25.5lbs is quite a bit. I use an alum door skin as well, no idea how heavy the OEM door cover is. I can tell you I close the door with one finger now!
Old 01-24-2016, 09:26 PM
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an you post a link to the WG? Nice build.
Old 01-24-2016, 10:34 PM
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Originally Posted by vht
an you post a link to the WG? Nice build.
http://m.ebay.com/itm/RS-SERIES-60mm-V-BAND-TURBO-WASTEGATE-5-5-TALL-12-14-19-31-PSI-garrett-kkk-borg-/151739414922?nav=SEARCH
Old 01-25-2016, 06:40 PM
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Wrong wastegate placement FTW !





Old 01-26-2016, 01:55 PM
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Downpipe done.





Old 01-26-2016, 08:12 PM
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Cold side done. Just need some couplers.

12gal fuel cell





Old 01-26-2016, 10:17 PM
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Great progress!! Which injectors are you going with?
Old 01-26-2016, 10:43 PM
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Deka 80s. With dual bosch 044 pumps /E85

Last edited by a4ls2goat; 01-26-2016 at 10:52 PM.


Quick Reply: 1984 rx7 5.3L turbo s475/th400/8.8 /E85 (sloppy style)



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