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MMI Motorsports

Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0

    • Based on 22 reviews
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Features

  • Turbo Kit T70 Single T4 Silverado Sierra Turbocharger Vortec V8 LS 4.8 5.3 6.0
  • Cast passenger and driver side manifolds
  • Stainless TIG welded crossover
  • 38mm external wastegate
  • -4AN oil feed kit with adapter plate + Hardened stainless hardware

Description

T4 T70 Trim Turbocharger Cast passenger and driver side manifolds Stainless TIG welded crossover 38mm external wastegate -4AN oil feed kit with adapter plate Hardened stainless hardware Turbo Specs: 4" inlet 2.5" outlet T4 flange Oil inlet is m12x1.5 COMPRESSOR WHEEL: .70A/R IND. 2.23" EXD:3" TURBINE WHEEL: 0.68 A/R IND: 2.30" EXD:2.91" 3.6" Hot Side

Manufacturer: ‎MMI Motorsports


Brand: ‎MMI Motorsports


Is Discontinued By Manufacturer: ‎No


Manufacturer Part Number: ‎99+ SILVERADOTTKITT4


Date First Available: October 9, 2018


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Top Amazon Reviews

    • Missing bolts
Missing hardware kit to mount turbo to pedistool
Reviewed in the United States on March 26, 2023 by Zidane
    • You will have a I relocate the waste gate
It fit in my 2002 Silverado 2wd 5.3 great but the waste gate had to be relocated and the turbo will only last as long as you don’t push it too hard.
Reviewed in the United States on August 9, 2023 by Dirk Johnson
    • Missing all hardware
Turbo looks good. Havent been able to fully install it yet because all the bolts are missing for the turbo, the wastegate, and the manifolds.thats all ive found missing so far. Once i go buy all the bolts im missing ill update with any other news
Reviewed in the United States on November 16, 2023 by greg
    • Great complete kit hot side kit with adequate turbo
Review Image by Anthony Anthony
Review Image by Anthony Anthony
Review Image by Anthony Anthony
Amazing kit for my 2008 Escalade 408ci LQ4 swap. Downpipe fit perfectly. Weld plugged and relocated the blow off valve closer to the turbo for efficiency and coated the headers, but overall a great kit right out of the box.
Reviewed in the United States on December 6, 2020 by Anthony Anthony
    • Review
Does anyone else have a problem with the turbo spitting oil? Plus my U pipe needed to be about three inches longer. It hits the 4x4 drive shaft. Hardware sent is terrible. If I could get a refund I would.
Reviewed in the United States on January 29, 2023 by Dakota Ballard
    • It makes boost.
Review Image by Dustin Burris Dustin Burris
We will start with the pros first. Makes boost, cross over pipe is nice. Cons. The biggest one is be prepared to spend hours with a die grinding away on the openings for the plug wires. Also my biggest worry is looking into the manifold I can see lots of hanging metal which I'm sure is just a matter of time before a slag breaks off and chews up the turbine wheel. I am already saving for another turbo manifold and turbo. The oil pan adapter fitting for the feed line was tapped incorrectly. After a few turns threads pulled out. The new one they sent me was the same so got a tap and die set to fix it myself. The oil return 10an fitting have a odd inside angle so would not seal to a Earl or Russel fitting. I had to replace all with Earl parts. The wastegate boost creep bad. Guessing it is to small for my 6.0L set up. I have double check vac lines and changed springs. Still boost creeps about 4 psi to high. I installed the manifolds for fitment then went to remove them to install the motor and 2 of the supplied manifold bolts broke off in the head. Guessing soft metal and threads locked. I gave it 2 stars instead of one because it does actually build boost. Hindsight your pretty much getting a Chinese turbo, cross over pipe and passage manifold for the price. Everything else will need to be replaced for it to be right. Wishing I would have just built a kit. Would have came out the same price with better parts. ... show more
Reviewed in the United States on August 16, 2020 by Dustin Burris Dustin Burris
    • Turbo kit
Review Image by Honestly wouod not buy again the manifolds were poorly made and turbo was junk I wouldn’t recommend this kit for anyone better off buying stuff separately and building a kit Honestly wouod not buy again the manifolds were poorly made and turbo was junk I wouldn’t recommend this kit for anyone better off buying stuff separately and building a kit
Reviewed in the United States on March 9, 2023 by Honestly wouod not buy again the manifolds were poorly made and turbo was junk I wouldn’t recommend this kit for anyone better off buying stuff separately and building a kit Honestly wouod not buy again the manifolds were poorly made and turbo was junk I wouldn’t recommend this kit for anyone better off buying stuff separately and building a kit
    • See review before purchasing to know what your in for.
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Review Image by Amazon Customer Amazon Customer
Pros. Kit looked good. Manifolds built well. Crossover pipe built well. Mostly all the hardware. All gaskets supplied. Looks good in photos. Oil feed adaptor and hose work well and are easy to install. Cons. Manifolds required grinding back around spark plug location due to not being able to get a plug socket to install spark plugs. Turbo exhaust vband was 3" and not 3.5" as the vband was supplied. Needed to purchase 3"vband clamp. Turbo manifold T4 flange, drilled to 3/8. Turbo flange drilled to accommodate 10mm bolt. With a 3/8 bolt the turbo was sloppy in the bolt holes. Had to drill manifold flange to accommodate 10mm bolt for snug fit. Crossover pipe. Does not fit if your vehicle is lifted. I had to cut and exstend the pipe to the flanges 1.5" to clear front drive shaft. No boost reference barb off outlet or drilled hole off of the turbo for wastegate( as pictured) Need to drill turbo outlet and tap a thread to fit. Photos 2 shows dump pipe and aircon canister clearance, on a 2013 the dump pipe hits the outlet hose. Have clamped this back as far as possible and wrapped to protect. Time will tell if I need to manufacturer a complete new hose to clear. Summary. Not a simple install on a 2013 4wd silverado. Havent tested on the road. ... show more
Reviewed in the United States on May 19, 2019 by Amazon Customer Amazon Customer

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