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What is the stock horsepower of a 1986 Pontiac Fiero gt 5 speed?

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2011-09-08 03:53:45
2011-09-08 03:53:45

The 2.8 V-6 engine was first used in the Fiero in the 1985 GT. It was called a 2.8H.O. engine and had 140 HP. It was the same in 1986. However, the same engine was used in other GM cars but had 130HP.

In 1988 Fiero horsepower was reduced to 135.

how ever they say 140 HP but dyno tests proove that the 86 fiero gt has 200 HP

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It can come with either a Getrag manual 5 speed, or an automatic 4 speed with overdrive

The Fiero V6 2.8L engine produced a peak-corrected horsepower of 110 at 4500 rpm, significantly lower than the advertised 125hp. per dyno-testing of a stock 2m6. The Fiero 4-cyl 2.5L engine produced a peak-corrected horsepower of 85 at 4500 rpm, significantly lower than the advertised 92hp. per dyno-testing of a stock 2m4. Addition of turbo/superchargers has increased effective horsepower up to 30% without compromising engine integrity.

Best top speed for a stock V-6 Fiero: 135 mph Worst: 115 mph Both Fieros were '85 GT's, the latter with an automatic transmission.

Stock 140 HP , 170 lbs of Torque

The 3.8 v-6 with a 5 speed manual tranny puts out around 210 stock

The standard stock Chevrolet V-6 engine has 160 horsepower. The horsepower of a V-6 engine can vary greatly, due to many different factors.

Do you have the single speed fan or two speed? Are you measuring the engine compartment blower as well? Mine read 4.5 amps

185 horsepower , according to my Consumer Guide book

not sure on horsepower but stock speed in 165-170 mph top

This engine will have seven injectors. 6 are the running injectors and there is a "Cold Start" injector.

it should have around 310 hp at the rear wheels.

A 1985 Fiero Base coupe, or an SE Coupe that is nicknamed "2M4" (2 Seats, Mid-Engine, 4-Cylinder), has a 2.5-liter Iron Duke 4-Cylinder engine that produces up to 100 Horsepower, and a GT Coupe or an SE Coupe that is nicknamed "2M6", with the 6 as 6-Cylinder, has a 2.8-liter High-Output V6 engine that produces up to 140 Horsepower.

Fieros came with 2 differnent stock motors, a 2.5 liter 4 cylinder, and a 2.8 liter v6

i think but i can be positive that it will run he quarter in 14.9 there is a vid on you tube called fiero vs mr2 it has more details

Any correctly running Fiero can beat any stock S10 One is a pickup and the other a sports car They both use the same engines. Nuff said.

250hp The Horse Power rating stock is 250 HP

Stock Horsepower is around 39hp.

The top speed for a Laguna stock car is estimated at one hundred and fifty miles per hour and with about a stunning one hundred and ninety one horsepower.


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