192 Horsepower 2.9L


Jim Oaks

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Here's one for you 2.9L guys. I love the look of this engine.

A special twin DOHC (QUAD CAM) version of the 2.9 was created by Cosworth Engineering in 1991. Although it shared the same block as the standard 2.9, power output was up to 192 hp (143 kW) and torque was boosted to 275 lb⋅ft (373 N⋅m) at 4500 rpm. This engine (code BOA) was used in the Ford Scorpio Cosworth 24V. This engine configuration was only paired with an improved A4LDe automatic gearbox with partial electronic shift control. No manual gearbox was offered from the factory.

The standard Ford-issued block was machined differently to improve strength. In place of the single-cam arrangement, an endless duplex hydraulically tensioned timing chain was used to drive the overhead cams. The chain measured 2.2 m (7 ft 3 in). The casting and bearings for the standard underhead cam were repurposed for a shaft which drove the oil pump. Ignition was controlled by an EDIS-6 system, which would become a standard feature.

The engine was known for its substantial increase in power delivery above 4000 rpm relative to the unmodified version; in recent years, the engine has become a popular choice as a replacement engine for the Ford Sierra XR4x4 and XR4i.

An improved version of this engine (code BOB) was available in the restyled 1995 Ford Scorpio. Differences included two simplex chains with two hydraulic tensioners and the addition of a variable-length intake system called VIS. Power output was increased to 210 bhp (157 kW; 213 PS). This was mated to a fully electronically controlled A4LDE automatic transmission.
 


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Dirtman

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So friggin big!
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Oh why Jim!? You're not suppose to encourage them. We just got @PetroleumJunkie412 driving a 4.0! :icon_rofl:
 

Jim Oaks

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I want to haunt their dreams 😈
 

rusty ol ranger

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These are bad ass. Its to bad they never made it to the states. 197hp and 275ftlbs is damn close to what roller 302s make and woulda made the "beloved" 4.0 look like a superturd.
 

Dirtman

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A single 7 foot timing chain. WOWZERS.
 

Uncle Gump

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These are bad ass. Its to bad they never made it to the states. 197hp and 275ftlbs is damn close to what roller 302s make and woulda made the "beloved" 4.0 look like a superturd.
Maybe I'm missing something... my 06 4.0L is rated north of 200 hp
 

Dirtman

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Yea but to be fair to this "thing" it makes the power about 1,000 rpm lower than the 4.0, quite a bit more torque, and is about 100 pounds lighter.
 

rusty ol ranger

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Maybe I'm missing something... my 06 4.0L is rated north of 200 hp
The SOHC 4.0 was rated at 205hp IIRC and about the same torque as the above mentioned 2.9.

This 2.9 woulda blown an OHV 4.0 outta the water and gave the SOHC one helluva fight espicially in a lighter 1st/2nd gen truck.
 

Uncle Gump

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The SOHC 4.0 was rated at 205hp IIRC and about the same torque as the above mentioned 2.9.

This 2.9 woulda blown an OHV 4.0 outta the water and gave the SOHC one helluva fight espicially in a lighter 1st/2nd gen truck.
Don't make me go pull a plug wire so you might be able to make your point...
 

rusty ol ranger

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Don't make me go pull a plug wire so you might be able to make your point...
Youll need all 6 to beat the SOHC 2.9.

I raced my uncles 00 explorer (that was new at the time) with rusty #1. He had the 4.0 SOHC, i did manage to nose ahead thru 1st gear, but once i hit 2nd it was over for me pretty quick.
 

Uncle Gump

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91stranger

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You're comparing a 2006 4.0 to something designed in 91.... Hard to compare the two side by side. Both have advantages and disadvantages. The driver makes the difference in any race. The way I see a race is the first one to cross the line wins so it doesn't really matter who is ahead in first or second gear if you aren't first. Ricky Bobby said it best, "IF YOU AIN'T FIRST, YOU'RE LAST".
 

Dirtman

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Let's all just agree that the coyote is a better motor...
 

rusty ol ranger

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rusty ol ranger

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A legend to the old man, a hero to the child...


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