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Chevrolet S-10 Truck—
Chapter 1 from the V-8 Conversion Manual:

INTRODUCTION



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Chapter 1 Contents:

Introduction ••• 1984 S-10 2WD Truck with 1989 305 TPI/700-R4 ••• Project ZZ3—Our Quickest Truck ••• 1984 S-10 Blazer with 1985 305 TPI/700-R4 •••

Baby Thunder, 1992 S-10 4X4 Truck with 1992 Corvette LT1 Engine ••• ZZ3 Update ••• Another Update ••• 1995 Camaro LT1/4L60-E into 1988 2wd S-10 Blazer •••

V8 Alternative for 1996–2000 Trucks with the 4.3 V6 ••• Measurements ••• Typical Conversion Costs ••• Time Requirements •••

 

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This wild looking 1987 S-15 Jimmy is owned by the renowned pinstriper, Herb Martinez. He told us he wanted a simple and reliable towing package to haul his 3,500 lb. trailer, we recommended the 305 TBI engine, and 700-R4 automatic overdrive transmission. Since Herb had a real truck (a GMC, not a Chevy), we decided to help him.

Herb initially wanted a TPI engine until we explained to him why we prefer the TBI engine for his application: Lower cost when compared to the TPI engine. We demonstrated the towing ability of the 305 TBI engine by hooking his trailer to our 4X4 S-10 Blazer. He also drove our TPI-five speed S-Truck for comparison purposes. After driving both vehicles, he agreed that the TBI engine would suit his wallet better than a TPI engine.

Herb chose a low-mileage 305 TBI engine from a truck, primarily to eliminate the AIR pump, and make the engine compartment look less cluttered while still being smog legal (actually, the real reason was that he got a great deal on the engine). Eliminating the AIR pump from the engine does little from a performance standpoint, and we normally prefer a Camaro engine, which has an AIR pump, because of its lower cost and better availability at the local wrecking yards.

Like most people, Herb was concerned about the stock 7-1/2" rear-end being able to withstand the power of the V8. Using the "power braking" technique (one foot on the brake and one on the gas pedal), we show the truck smoking the 265/50-15 Goodyear Gatorbacks. Herb showed us how he pinstripes cars and trucks. We at JTR taught Herb how to pinstripe asphalt.

After spending a week gathering parts for the conversion, we pulled the stock 2.8 V6 out of the Jimmy on a Saturday afternoon. The following Saturday, Herb was pulling a 3,500 lb trailer behind his newly V8ed truck on a 300 mile trip.

Later, the engine compartment was dressed up with components from Moon Equipment (coolant recovery tank and vacuum reservoir), Spectre (steel braided hose coverings and anodized aluminum fittings), and B&M (adjustable thermostat housting). The Stainless steel fan shroud and the aluminum covers for the battery and windshield washer bottle were custom fabricated (and very expensive). An onboard air-compressor from a Cadillac was also installed to fill the rear air shocks when the truck is loaded with cargo or towing a heavy trailer.

Chapter 1 is continued on the next page.

Chapter 1 Contents:

Introduction ••• 1984 S-10 2WD Truck with 1989 305 TPI/700-R4 ••• Project ZZ3—Our Quickest Truck ••• 1984 S-10 Blazer with 1985 305 TPI/700-R4 •••

Baby Thunder, 1992 S-10 4X4 Truck with 1992 Corvette LT1 Engine ••• ZZ3 Update ••• Another Update ••• 1995 Camaro LT1/4L60-E into 1988 2wd S-10 Blazer •••

V8 Alternative for 1996–2000 Trucks with the 4.3 V6 ••• Measurements ••• Typical Conversion Costs ••• Time Requirements •••


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