BEHIND THE SCENES: Glenn Sinon’s 1951 CHEVY TRUCK

Extra Curricular Activities

By Ron Ceridono   –   Photography by CTP Staff

It seems like Glenn Sinon has held a body hammer or a spray gun in one hand or the other for most of his adult life. He’s worked in body shops, is a former training instructor for PPG, and today Sinon teaches collision repair and refinishing at A.I. Prince Technical High School in Hartford, Connecticut. So what does he do in his spare time? He builds spectacular cars in his home shop—Sinon’s Ford Maverick was featured in our sister publication Modern Rodding, he won best paint at the Detroit Autorama, and received the Master Builder award at the World of Wheels Boston.

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01 The finished chassis for GlennΓÇÖs truck rolls on ET III ET wheels
The finished chassis for Glenn’s truck rolls on ET III ET wheels; fronts are 15×7, rears measure 15×10, tires are Cooper Cobra 225/65R15 fore and Hoosier 29×12.50R rear.

Sinon’s latest project is a five-window 1951 Chevy truck and we were lucky enough to catch the early stages of its construction. The frame has been completely boxed from front to back. In addition, the rear of the frame rails were trimmed on the outside then boxed to provide clearance for the rear tires.

02 The Fatman Fabrications crossmember was temporarily put in place to check the fit
With the stock steering and suspension removed the frame was then placed on jackstands and leveled. The Fatman Fabrications crossmember was temporarily put in place to check the fit. Note the rails have not yet been boxed.

To update the front suspension and steering those components have been swapped for a Fatman Fabrications Mustang II Independent Front Suspension with power rack-and-pinion steering. The stock torque tube–equipped rear end has been replaced by a Ford 9 inch rear end assembly; the brakes are now discs from ECI up front with Ford drums in the rear. Ridetech coilovers are used all around.

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03 Cardboard templates for boxing plates were made
Cardboard templates for boxing plates were made. Note the reference mark on the frame indicating the front axle centerline.

Sinon wanted to eliminate the in-cab gas tank and mount one under the bed. However, he doesn’t like the through-the-floor filler that most use, so Sinon fabricated a filler pipe and located a pop-up gas cap in the left rear fender—it’s unobtrusive and convenient.

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04 To make the frame rigid the ΓÇÖrails were boxed their entire length with 1 8 inch plate
To make the frame rigid the ’rails were boxed their entire length with 1/8-inch plate.

With the chassis modifications complete, the engine and transmission mounts in place, and the exhaust system fabricated, the frame was sent out for powder coating. Once the frame was back in Sinon’s garage a Chevrolet crate engine was installed. While that doesn’t seem unusual, his choice of this particular crate engine is. Sinon opted for a Chevrolet Performance CT350 crate engine —this 350 small block engine is designated the “GM 602” and is a sealed circle track crate engine for factory stock class racing.

05 The Fatman Fabrication Independent Front Suspension is equipped with tubular control arms 2 inch dropped spindles and coilovers
The Fatman Fabrication Independent Front Suspension is equipped with tubular control arms, 2-inch dropped spindles, and coilovers.

While the CT350 sounds like an odd choice for a street engine, it’s not as outlandish as it seems. These engines are based on a four-bolt main block, have iron Vortec cylinder heads, and a pump gas friendly 9.1:1 compression ratio. A unique dual-pattern camshaft helps deliver more than 300 lb-ft of torque between 2,000 and 5,500 rpm peaking at 396 lb-ft at 3,800 rpm, which makes for a super stout street engine with plenty of pulling power that’s reliable and not the least bit temperamental. The “602” came with an 8-quart circle track racing oil pan, harmonic balancer, HEI distributor, and an aluminum high-rise, dual-plane intake manifold, which Sinon swapped for a Chevrolet Performance Ram Jet fuel injection system. Backing up the small block engine is a 700R4 transmission from TCI Automotive.

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06 Fatman Independent Front Suspension has vertical plates that the upper control arms attach to
Rather than using Mustang II–type slots for alignment adjustments, this Fatman Independent Front Suspension has vertical plates that the upper control arms attach to. Note how the upper coilover mounts index into the mounting plates for the upper control arms for strength and to position them properly.

With the chassis a roller, Sinon will now turn his attention to bodywork, paint, and adding the dozens and dozens of the exquisite details he’s known for. We’ll stay in touch and keep you up to date with the progress of the teacher’s pet.

07 Stopping power is provided by a ECI brake kit that includes GM calipers squeezing drilled and slotted rotors
Stopping power is provided by a ECI brake kit that includes GM calipers squeezing drilled-and-slotted rotors.
08 To keep the truck flat in corners an anti roll bar was added and a power rack will make steering easy
To keep the truck flat in corners, an anti roll bar was added and a power rack will make steering easy. Arrows point to the shims that are used to align the front end.
09 Progressive Automotive supplied the tubular crossmember components
Progressive Automotive supplied the tubular crossmember components. In the rear it ties into the frame just above the four-bar brackets.
10 The rear suspension is made up of coilovers four bars and a diagonal locator all from Total Cost Involved
The rear suspension is made up of coilovers, four-bars, and a diagonal locator all from Total Cost Involved. John’s Industries supplied the Ford 9 inch rear end axle housing.
11 Sinon used pipe and mandrel bends from Summit Racing to build the custom exhaust system
Sinon used pipe and mandrel bends from Summit Racing to build the custom exhaust system. The mufflers are Flowmaster 40s..
12 Just ahead of the mufflers is an X pipe from Summit Racing
The 2-1/2-inch exhaust pipes are routed under the center crossmember. Just ahead of the mufflers is an X-pipe from Summit Racing.
13 Once the custom exhaust system was completed it was sent out to be covered with high temperature powder coating
Once the custom exhaust system was completed it was sent out to be covered with high-temperature powder coating.
14 For a rear mounted gas tank Sinon used a reproduction intended for ΓÇÖ41 48 Fords as it fit the space availabl
For a rear-mounted gas tank, Sinon used a reproduction intended for ’41-48 Fords as it fit the space available. It will attach to a new square tube crossmember. Note the rear frame rails have been narrowed to accommodate the wide rear tires.
15 These simple tabs were used to mount the rear of the Ford gas tank to the Chevy frame
These simple tabs were used to mount the rear of the Ford gas tank to the Chevy frame.
16 The two tabs were welded to a new square tube crossmember at the back of the frame
The two tabs were welded to a new square tube crossmember at the back of the frame; the tank was then bolted to the tabs.
17 Sinon s truck came with ΓÇÖ49 50 Mercury tail lights mounted to the rear fenders
Here’s an old trick we haven’t seen in a while: Sinon’s truck came with ’49-50 Mercury tail lights mounted to the rear fenders.
18 To fill up with gas Sinon fabricated a fill pipe from the tank to a cap in the fender
To fill up with gas, Sinon fabricated a fill pipe from the tank to a cap in the fender.
19 To open the cap itΓÇÖs rotated a quarter turn
To open the cap it’s rotated a quarter turn; it pops up and can be removed.

20 it pops up and can be removed

21 When closed the gas cap is flush with the surface of the fender
When closed the gas cap is flush with the surface of the fender.
22 ItΓÇÖs a circle track race engine for factory stock classes
Sinon chose an unusual engine for his truck. It’s a circle track race engine for factory stock classes—it’s been topped with Chevrolet Performance Ram Jet fuel injection.
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