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HT 3.4 V6 Crate Engine S10 Truck Repower 12363230
Description
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Tired of that tired 2.8 V6 in your S-truck? It's time for a major upgrade.
GM Performance Parts style. The HT 3.4 is a bolt in replacement for the 2.8 V6 in your 1982 - 1985 S-10 pickup or Blazer with automatic transmission.
And it's emission legal in 49 states (Yes, you guessed it, California said no.) But for the rest of us, the HT 3.4 is the best thing going.
With 160 horsepower and 194 Ft. Lbs. of torque your truck will feel better than new, and tow better than ever.
The heads have large 1.72" intake and 1.42" exhaust valves and combustion chambers that yield a healthy 9 to 1 compression ratio.
The camshaft is a high lift, short duration design, developed to produce lots of strong low end torque and mid range horsepower. With .427" intake and .454" exhaust lift, the cam ensures a strong pull to 5000 RPM.
Doesn't sound like your 2.8 V6 at all does it? It isn't, when GM Performance Parts develops an engine we focus on making power. But not power for the sake of power, but power where you need it.
For great drivability, towing performance and maybe even a little off road fun.
The HT 3.4, a serious upgrade for your favorite little truck. With 40 more horsepower than your 2.8 V6, why would you even consider rebuilding that old 2.8?
The induction system, ignition system, exhaust, emission controls, water pump and other parts required to bolt in your new HT 3.4 are already on your truck.
Sounds like a weekend project or talk to your GM Performance Parts Authorized Center, they can install it for you.
Technical Notes:
This is for engines with carburetors only, not released for TBI usage.
This engine does not have a clutch boss on the side of the block for standard transmission application
The HT 3.4 requires an electric fuel pump 4-6 PSI. IE P/N 6472382 Fuel Pump
P/N 854619 Fuel Filter
Use p/n 14100556 flywheel for manual transmissions
Will work with 4wd. *See note below
Fits manual transmissions with hydraulic clutch only
*4WD vehicles require
1-10099979 Oil Pan
1-10118626 Oil Pump Screen
HT 3.4 Technical Information
Horsepower ...................... 160 @ 5000 RPM
Torque .......................... 194 @ 2700 RPM
Compression Ratio ............... 9:1
Block ........................... Cast iron
Pistons ......................... 14097653
AluminumCamshaft ........................ 12363220
Hydraulic flat tappetLift: .427" I, .454" EDuration @ .050: 204° I, 216° E.
Cylinder Heads .................. 14054884 Cast iron
Intake Valves ................... 14024249 1.72"
Exhaust Valves .................. 14031332 1.42"
Valve Springs ................... 12363215
Rocker Arms ..................... 14002446
Valve Lash ...................... Zero
Fuel ............................ 89 octane
Technical Notes:
The HT 3.4 requires an electric fuel pump 4-6 PSI. IE P/N 6472382 Fuel Pump
P/N 854619 Fuel Filter
Use p/n 14100556 flywheel for manual transmissions
Will work with 4wd. *See note below
Fits manual transmissions with hydraulic clutch only
*4WD vehicles require
1-10099979 Oil Pan
1-10118626 Oil Pump Screen
Service Parts Listing Terms and Conditions
Warranty Information
GM Performance Crate Engine Start-up Instructions
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Products Accessories for HT 3.4 V6 Crate Engine S10 Truck Repower 12363230
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