MotorMouth Radio

MotorMouth Radio

Join the “Motormouths” Ray Guarino and Chris Switzer for features, information, guest interviews, tech tips, and your call-in questions on all topics relating to automobiles.

Episodes

Elana Scherr, Tom Yeager & a Bentley

July 19, 2026 • 55 mins
Car & Driver senior editor Elana Scherr & Tom Yeager come on to catch us up on their projects. We got more than we bargained for when she convinced us that buying a Bentley Arnage was a good choice for a used car. 
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Hot Wheels, Right to Repair Act & Carl Anthony.

July 12, 2026 • 59 mins
Holley vs AFB differences, Hot Wheels vending machines, the Right to Repair Act & software defined vehicles get kicked around with Carl Anthony.   
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Carburetors, regulators & fried wires.

July 5, 2026 • 55 mins
Chris is suffering with a failed voltage regulator & a leaky carburetor while Ray has brake issues & a 442 to deal with.  
Spreaker: 
YouTube:
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Impala's, cassettes & view masters.

June 28, 2026 • 57 mins
Special guests Mike & Chris join the boys in the studio to talk about the return of their father's resurrected Impala SS.
See it on You Tube: https://youtu.be/DDzTViSDOKY
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Father's Day, cabin air filters & water pumps.

June 21, 2026 • 57 mins
We talk about Father’s Day, brake issues, cabin air filter replacement & water pump technology, what else would you expect from us?
You Tube: https://youtu.be/D6THHfoOjdk
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A/C tips, road tools & breakdown prep.

June 14, 2026 • 57 mins
We fall on the sword where trunk supplies are concerned, but get back on the road anyway. Outdated tires come around to bite us again, and we give a bunch of good tips on how to make your cars A/C blow colder. on You Tube: https://youtu.be/vpxxZO4XoJg
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Road Runners. GTO's & Impala's

June 7, 2026 • 58 mins
An honest car mix-up is closer than believed, & we learn to warmup & stretch before taking on car work. Oil filter sizes through the years are demonstrated & the 65 Impala project is discussed. 
See the show in You Tube here: https://youtu.be/fTGUQ1Z3jIc
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Loud shirts, loud cars & us.

May 31, 2026 • 57 mins
A gifted loud summer shirt at a cars & coffee event lights Ray's fire. Chris is tired of smelling like his car, and an old Hilborn fuel injection unit drive this show.
https://youtu.be/khUJ2TDfA9s
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Carbs, Buc-Cee's & car shows

May 24, 2026 • 56 mins
Chris is taking on a Holley rebuild, Ray visited a Buc-Cee's truck stop, and the success of the Tobay Beach & Olds car shows. on YouTube: https://youtu.be/t__pA-dVaic
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Rust, crud & polish.

May 17, 2026 • 57 mins
Rusty exhaust nuts, cruddy wheel studs, cloudy headlight lenses & grungy console crap define this show. https://youtu.be/XSPhX-Nvl2o
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A retro Mother's Day indulgence

May 10, 2026 • 58 mins
This year the boys are sharing a Mother's Day compilation show from their past when the show was a bit more raucous and randy. You'll hear voices & topics from our show guests and friends, the likes of; racer Richie Zull, cheesy Italian lingo, a human crash test dummy, the meaning of stoop ball, Dina & Drew Parise, Peppi Marchello from the Good Rats, Butch Patrick, Antonio Fargas & the King of Kustomizers himself, Georg...
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2 Lane America Route 66 Tour

May 3, 2026 • 58 mins
Ray & Chris have the pleasure of spending an hour with Austin Coop from "2 Lane America" learning about the historic and fun Route 66 tour he runs. The Speedway tour and others also get some coverage, and the boys find out how Austin's experiences growing up helped fuel his desire to drive over a million miles across America....to date.  
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Porsche 930, AMC Hot Rods & welding tech.

April 26, 2026 • 58 mins
Ray talks about an inspection he did on a Porsche 930 & the fantastic man-cave the car owner keeps some of his cars in. Chris gets into AMC Hot Rods with a caller, then conveys his method for replacing say bar links. Car auction prices get some coverage, and a mystery dent on Chris' Explorer finds the boys talking with a caller about learning to weld.
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Joe Oldham tech & online parts buying.

April 19, 2026 • 57 mins
Ray finds a Motor publication from 1974 edited by Joe Oldham & shares some of the tech tips, as outdated as they may be. The "new-old" Camry gifted a surprise with a working cassette deck AND CD player, making its new owner very happy. A caller tells a story about TPMS recalibration woes on his Corvette, and the boys talk about their strategy for buying auto parts online.  
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Preaching the word: old cars are IN!

April 12, 2026 • 57 mins
Ray mounts the soapbox and proudly announces that he's practiced what he preaches on this show by buying a pristine 31 year old Toyota! Chris doesn't disagree, and MotorMouth history is made. The boys talk about new cars prices, and a recent trip to O'Reilly Auto Parts by Chris leads to talk about how trying to find some major brands might be hard to do now. A very specific eighth inch bit takes center stage when Chris needs to dri...
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Slot cars, sunroofs & switches.

April 5, 2026 • 59 mins
It’s time for spring auto repair & maintenance, so Ray starts with adding an air deflector to the Mazda sunroof. Follow that up with a trunk switch replacement on the Cruze using a snazzy new Matco clip removal tool, and its Dum-Dum for the win! Lucas products make detailing the car so easy it's almost criminal. A local slot car show get Chris delving deep into his past with this great car-guy hobby.
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Vinyl gloves, motor oil choices & dash diagnostics.

March 29, 2026 • 56 mins
The winter that won't end has us car guys firmly in its grasp and we want to get out to some of our favorite car shows and cruises! Chris talks about how hard it is working on a car while wearing vinyl gloves in cold weather. We learn that his Ford Explorer engine makes noise and has a lower oil pressure when run on synthetic oil than it does when filled with a blended product. The way dash gauges and driver information is conveyed...
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“Elvis Hitler”, Motorhead, Lowriders & LEDs

March 22, 2026 • 58 mins
"Elvis Hitler" and Motorhead provide the music this week, but the specifics of LED bulb conversions really light up the first half of the show. The new postal Low Rider stamp takes us on a nostalgic trip to s time when cars had more alarm buzzers than real safety features. A caller brings up the weak spot of the Ecotec engine when he asks about plastic cooling system components & related parts.   
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Don Keefe talks Pontiac Performance

March 15, 2026 • 59 mins
Author Don Keefe shares his vast knowledge of High Performance Pontiacs with us this week. Our friends Marty Schorr & Joe Oldham get tossed into the mix as well as 8 Lug wheels & Hurst mags. Intake manifold options and the elusive Ram Air IV & V engines really get Don wound up an onto the topic of the radical 421 Tempest he owned.   
Spreaker: https://www.spreaker.com/episode/mmr-03-15-2026--70647964
You...
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Buffing, Bleeding, 4 Up & 4 Down.

March 8, 2026 • 58 mins
Modified pressure bleeding brake tools get a new look from the boys along with the secret hidden inside certain tire pressure pencil gauges. 3M buffing discs are a great addition to a toolbox too.
On You Tube: https://youtu.be/IL6WlAql-VM
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