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March 2023 by Matt Schueller
Was skeptical as I dealt with Tim years ago, he ignored me, so I know he wouldn't remember. Was recommended to give them a try for AFM delete on my pickup. I did lots of research, thought Id buy parts locally hoping to get tech support if I needed further assistance. His prices were similar to what I could find off the internet. I only have one simple question, have left messages 3x, no reply. Won't be going back. Just wish I hadn't given them my money either. When you call in their message says for tech support, so I assumed they had it. At this point my dogs is more helpful.
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December 2021 by Todd
A wealth of automotive knowledge.They have turned out MANY fine rides.
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July 2020 by Team 30
I can always get the answers I need in a timely manner. Tim & his family do a great job
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March 2020 by dan minninger
In February of 2018 the check engine light of my 07 Chevy Avalanche came on suddenly and the engine began to idle rough. I took it straight to the shop. Long story short, the 5.3 L engine was blown with a little less than 150k miles.The mechanic said he could replace it with a rebuilt engine that was identical. I decided to look on the internet first. Glad I did. First, I saw pages and pages of websites complaining about that particular year model 5.3 engine and the issues with it. Second, I found that for the same price as the rebuilt 5.3, i could get a performance 5.7 from Schwanke Engines. It was an easy decision.Customer service was great. Tiffany made sure I knew what was happening and the engine shipped right away. During the install i sent my control unit to them to be programmed too. Super fast turn around.I have had the engine installed for going on 2 years now. It has about 8k miles on it and it runs like a champ. I added some headers, Borla exhaust and a CAI. The truck will get up and run! Can't tell you how fast because the speedometer only goes up to 120 mph. lolI would highly recommend Schwanke. I am currently looking for a project car my son can drive. We will be ordering again from them.
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September 2019 by Bradley Suess
Great machine work decent go cart track dyno services available
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June 2019 by Earl Martin
The truck Schwanke built for me has lots of issues. Can't say much about the chassis since can't drive the truck very far. Get caught in the rain cab leaks everywhere. Engine tune is off, truck doesn't want to start when it gets hot. New LS3 crate motor they tuned. Cab build quality is really poor. Door weather stripping installed upside down. Leaks around doors, door glass windows, vent windows, fuel filler neck, both cowl vents leak, basically water comes in every where it shouldn't. 200 miles and had to replace the master cylinder and power steering pump. Fuel gauge doesn't work. Steering column vibrates. Door fit is pathetic. Wipers don't work properly. See photos on Facebook#Earl Eli Martin
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June 2019 by Earl Eli Martin
Photos of issues with quality of the truck build Schwanke did for me@
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May 2019 by Alicia Schwanke
Their work is always thorough and customer service is great!
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November 2018 by Kieth Stone
When you pay $14,000 to the Schwanks & can't figure out "why" things just don't seem right, Take your compete dyno tested (so they claim, for $600, but the tune was so bad, hard to believe) 300 mi. engine apart and see what's up! 1st. Intake manifold was loosely tight, nowhere near torque spec. (vac leak?) 2nd. Harmonic balancer bolt came out by hand (1/2" drive ratchet) without even locking flywheel, just engine compression as resistance... Supposed to be torqued to approx. 230 ft. pound. 3rd. Oil pump is Hi volume G.M. but I was billed for Melling Hi. volume at twice the cost. 4th, LS3 cylinder heads with steel intake valves, I was Billed for the cost of Hollow Stem intake valves at 5X the cost of the steel valves... Timing chain? Supposedly Cloyes but has at Least, .5 inch of play at 300 mi. ??? 5th. Compression & piston set, I was told this engine as tested was at roughly 10.5 on compression. I questioned that over the phone with them based on the specs of the piston set & was told that was irrelevant because head milling and decking block had to be considered. They did "Neither"... As shipped engine was 9.3 static compression. I have all receipts to back and support "All of This" I haven't even got to the bottom end crank & rod set I was billed for but I'm not holding my breath that they're what I paid for... THESE GUYS ARE CRIMINALS or INCOMPETENT at BEST & I would have Sued but it took building the car complete, Dyno tuning with poor results by some of the Best People in the Game & tearing the whole thing back apart to find out what was up!
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November 2018 by Chris Wilson
They have built 2 ls motors we boosted both, both still great!
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June 2018 by Jay Marchese
I have been dealing with Jermey and his father Tim for a couple of years now. They always give me there undivided attention when I call. There work on there products are top notch. I had them build me an LS3. Extremely happy. I highly recommend them.