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Showing results for tags 't3/t4'.
Found 3 results
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Hey guys, Just wanted to let you know how my Gpop shop turbo rebuild went in case anyone was looking at going to them: http://gpopshop.com/ Before: 1982 L28ET Garret AiResearch stock T3 turbo After: Upgraded into T3/T4 hybrid with T4 .50 trim compressor wheel and Stage III exhaust turbine. All moving components rebuilt/replaced if applicable. Review: So far, I am very satisfied with their work. When they said "we will make your turbo like new" I was skeptical. They took my 35 year old turbo and genuinely made it better than it was when it was new back in 1982. Externally, it looks great. I decided to have Gpop upgrade my stock turbo because I didn't want to deal with fabbing up external wastegates or put in spacers to get something aftermarket to fit. The cost (~$900 btw) was comparable to buying a new Garrett hybrid and in the end I get something that I know will bolt right in AND has a warranty to boot. Also, their customer service was awesome. I say "Externally, it looks great" cus I haven't finished putting together my engine yet ð I'll update the review with actual performance "soon"!
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I've been reading up on turbos for over 6 hours between today and yesterday ðĪŠ haha and have gone from zero knowledge to some knowledge. I am a big proponent of "buy once, cry once" methodology and while I am updating a bunch of other stuff on the Z, I am wondering if I should just knock out the turbo as well. HP Goal: Reliable 260hp-290hp for application that is 99% street Torque Goal: 300-310ft/lbs Spool RPM: 2400 RPM start with full boost by ~3000 RPM (similar to stock!) Wastegate: Internal (don't want to be swapping anything out or fabbing external brackets) I think 260hp to 290hp is a little high for the stock T3 to feel comfortable. I also don't want to run a ton of PSI if I can help it. So far I am installing: - 1982 L28ET with stock internals - 1978 280z with '78 R200 diff and '78 5-speed transmission - Megasquirt 2 - 240sx 60mm throttle body, 440cc Supra injectors, Walbro 255 fuel pump - Greddy Intercooler 2.25" piping with HKS BOV - 2.5" MSA downpipe to 3" mandrel bent exhaust with straight-through muffler - Mishimoto radiator with dual 12" Spal electric fans If I understand what I have been reading correctly, I want something with a lower A/R. Something around .57? I read on here that a user had a .48 that spooled at 1200RPM. That is probably a little extreme ð. Not sure about trim. I would like it to be between $500-$800 if possible (no China turbos either). So does anyone have any recommendation or experience with a T3/T4 turbo that spools at a similar RPM to stock?
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Looking for a stock T3, 81-83 280zx or 84-86 300zx T3 turbo. Good condition and functional preferred, but interested in turbos needing a rebuild as well. Additionally, I'm interested in a functional well working t3/t4 hybrid for separate Z project. Thanks fellas!
