How much does a 4.3 engine weigh?

Joined Apr 14, 2003

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2,024 Posts

Discussion Starter · #2 · Jul 2, 2003

come on guys. i know you've swaped and bought motors so someone has to know a weight for a 4.3L.

Joined Jun 9, 2003

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124 Posts

On GM Perfomance they a 4.3L block that weighs 70lbs.:sicka:

How much does a 4.3 engine weigh?

Joined Dec 15, 2001

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4,592 Posts

what year motor. the gm performance book i have lists a range from about 310 lbs - 400 lbs depending on the year of it.

Joined Dec 31, 2002

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2,230 Posts

70lbs is prolly just the bare block

Joined Nov 22, 2002

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1,561 Posts

Joined Dec 31, 2002

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2,230 Posts

Joined Apr 14, 2003

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2,024 Posts

How much does a 4.3 engine weigh?

Joined Dec 15, 2001

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4,592 Posts

375 lbs accroding to gm performance parts.

Joined Apr 14, 2003

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2,024 Posts

Joined Dec 10, 2002

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1,000 Posts

Discussion Starter · #1 · Jun 15, 2003

did a search found out it weighs less than sbc V8 by 80-100lbs.

checked the bible no weight shown just a "-"

I'm trying to get a shipping quote for a guy all I need to know is how much does a 4.3L weigh everything but tranny and harness and puter is there.

Joined Aug 3, 2001

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3,489 Posts

this link came up in a post a while back: http://www.angelfire.com/ar/dw42/engfyi.htm

it has this info:

Chevy V6-90 229, 4.3 425
Chevy small block V8 575 (generic for '60s-'70s motors)
Chevy small block V8 535 (1) ('59 Corvette 283 w/alum. intake)

- jack

Joined Dec 10, 2002

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1,000 Posts

Discussion Starter · #3 · Jun 15, 2003

Thanks Mopheus I wasn't but 50#'s off on guesstimate

something new to add to favorites

Joined Dec 14, 2002

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1,231 Posts

morpheus said:

this link came up in a post a while back: http://www.angelfire.com/ar/dw42/engfyi.htm

it has this info:

Chevy V6-90 229, 4.3 425
Chevy small block V8 575 (generic for '60s-'70s motors)
Chevy small block V8 535 (1) ('59 Corvette 283 w/alum. intake)

- jack

This info makes me wonder if I was hittin the crack pipe pretty heavy when I weighed a 70's SBC. My certified scale said 475 w/o exhaust manifolds but complete otherwise. (no accessories, but with brackets in place.

Joined Aug 3, 2001

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3,489 Posts

ROCKSFORBRAINS said:


This info makes me wonder if I was hittin the crack pipe pretty heavy when I weighed a 70's SBC. My certified scale said 475 w/o exhaust manifolds but complete otherwise. (no accessories, but with brackets in place.

I'd say your 475 was probably right. I figure the 575 number is with all the accessories and the stock manifolds which would easily all add up to 100 lbs ... an alternator alone is pretty doggone heavy.

- jack

How much HP does a 4.3 V6 have?

In addition to new exterior designs, a new engine -- the 4.3-liter EcoTec3 V6 -- will be available to complement V8 options. This new V6 engine produces 285 hp, 305 lb-ft of torque and a towing rating of 7,200 pounds, which GM claims is best among standard V6 truck models.

How much HP does a 4.3 have?

4.3L V6 LV3 (this engine) 5.3L V8 L83. ... EcoTec3 Engine Family Features..

How much horsepower does a 4.3 Vortec engine have?

GM 4.3 Liter V6 Vortec LU3 Engine.

How much does a 5.7 Vortec engine weight?

GM trucks with the Chevy 5.7L Vortec engine have a payload of 1,656 pounds and a curb weight of 4,544 pounds.