what is the cubic inches of the 5.3 engine on the 1500 extended cab work truck

Asked by Feb 22, 2008 at 02:52 PM about the 2008 Chevrolet Silverado 1500 Work Truck Extended Cab LB

Question type: General

What is the cubic inches of the 2008 1500 5.3 engine?

41 Answers

6,855

323 cubic inches

6 out of 6 people think this is helpful.
6,855

OPPS wrong button, The 5.3 engine is 324 cubic inches

7 out of 7 people think this is helpful.
165

Haha one more. Its actually 325 cubic inches.

4 out of 4 people think this is helpful.
105

325 Cubic in.

7 out of 7 people think this is helpful.
45

the 5.3 is millions actually, therefore meaning 5.3 million cubes

3 out of 3 people think this is helpful.
75

350 cubic inches teh only difference is the bore its a little bigger than the 06 350s

5 out of 5 people think this is helpful.
165

ITS 325 CUBIC INCHES. Do the conversion or easier yet, go to www.Chevrolet.com and look for yourself under the 5.3l engine specs. A 350 small block is actually the engine found in earlier model chevrolets and is 5.7liters.

11 out of 11 people think this is helpful.
285

Perhaps a little confusing for the newbies, but the capacity measured in litres (in SI units) does not always convert linearly with the stated block size, measured in cubic inches (in imperial units) because the bore size may be different. For factory vehicles, the stated capacity (in SI) is usually over stated (actual measure is in CC). The manufacturer tends to round this up, though the bore size may not match this exactly. For example, a vehicle which is stated as a 202 cubic inch or 3.3 L engine, or 3300cc is not a true conversion. 202 cubic inches converts to 3,310.19 cubic centimeters. So in this case, 3.3 L is understating the true capacity. Try www.easysurf.cc

6 out of 6 people think this is helpful.
285

That's www.easysurf.cc/cnver6.htm#ic2 for the conversion. Baring in mind that the stated cubic inches is also rounded.

1 out of 1 people think this is helpful.
15

the best example is the ford 5.0 its really like a 4.9 or some where in that area but for the cool factor they just said 5.0

1 out of 1 people think this is helpful.
45

nevermind, 325.2cid exactly

1 out of 1 people think this is helpful.
195

Here they say its a 327

3 out of 3 people think this is helpful.
9,975

According to GM, it is a 327

7 out of 7 people think this is helpful.
195

Thats right every book I look in parts wise says its a 327.

3 out of 3 people think this is helpful.
45

i was a GMC technician for a little while and everywhere in the dealer books they said it was a 327CI

4 out of 4 people think this is helpful.
135

conversion and math wise it's a 325.2 but in actuality it's a 327. but if you want to ask for parts it's a 5.3L. Don't get it twisted or the parts guy will look at you like a dog listening to a whisle! lol

285

Okay...I am a technician at a GM dealership, I went to the GM/ASEP program at Oklahoma State University-Okmulgee, and i'm ASE certified...the actual cubic inches for the 5.3 is 325ci...the reason everyone says its a 327 is because early model vehicles that had the real 327 in them were designated as 5.3 liters too...GM labels it as a 327 in all their books and advertising because thats the engine that they use to make that everyone is familiar with...even our teachers at the GM training center in Dallas say its a 325...

14 out of 14 people think this is helpful.
35

The correct answer is 325 cubic inches... All tho it is a common misconception for people to think that it is a 327, becuase that was a popular motor for GM a while back and it has a good namesake so GM actually calls it. that

2 out of 2 people think this is helpful.
65

It's the 327 small block......the same motor so well known in the old Camaros...

2 out of 2 people think this is helpful.
8,125

All the gen 4 5.3liters are 325 c.i. If it has the iron block it's an LY5 Aluminum block LH6 Either way same displacement... (pi*(bore/2)^2)*stroke*(# of cylinders)=displacement 9.601 cm bore 9.2 cm stroke => 5328.45cc motor or 5.32845L 1 liters = 61.01 c.i. 5.32845*61.01=325.089 ci rounded to nearest integer, 325 c.i. If you want a complete run down on the engine SAE sells a nice bit of literature on it... if you want to shell out the money... http://www.sae.org/technical/standards/CPGM2_07LH6_LC9 --------------------------

9 out of 9 people think this is helpful.
105

323 99-07 , 325 07+

3 out of 3 people think this is helpful.
50

5.3 litres = 323.425844 cubic inch

5 out of 5 people think this is helpful.
30

326.54 this is the total micrometer reading when multiplied by 8, depends on weather you are reading the bore or the piston circumference x8. I think there are two correct answers. I presume the piston is actually slightly less. An engineer may be measuring what goes into the void, not the void itself. I'm going to call rounding up to 327 as most accurate.

3 out of 3 people think this is helpful.

Chevy used to have a 327 which was the 5.4L engine. Now they call it the 5.3L engine so it is the old 327 down sized slightly to a 323.

17,945

it isnt a old small block chevy at all. Its the LS series of engine that has nothing in common with the old v8's pre 99ish

3 out of 3 people think this is helpful.

deed BMW Have. 5.3 l what is it and how much hp

324.991 to be exact. Sorry...

Who really cares! It's a 5.3L as advertised!

You see folks, 325 is what gays say. 327 is what real men say

17,945

The gm 5.3 is a 325. It has nothing to do with the old 327. They didn't bring it back. However that may have been a good play for them as ford it doing the "5.0" yet again. But 5.3l is converted to 323.429 cubic inches. It's not a matter of manhood. There are the facts. I'm sure there is a decimal after 325 ci but I don't care to figure it out...

10

Interesting to know about the new way of recognizing engines in liters to the old way cubic inches, lot of bulls#&t to remember.

1 out of 1 people think this is helpful.

Just let's us old timers know what to expect from the engine in the way of performance. If we owned an older chevy 327, the 5.3 will perform the same.

What's the difference between an LS model 1500 anything ?

If the bore of the 5.3 L is 3.78 in, and the stroke is 3.622 in, then the math says it is 325.171 CI. Just do the Math: Volume of a cylinder = (pi X radius squared X height) then x 8 cyl. pi is 3.141593 and r is 1.89 in and height or stroke is 3.622 in

Thinking about buying a new 1500 Chevy pick up. Will this 5.3 give me 22mpg on the Hwy?? I get 20-21 with 2014 Ford Ecoboost F150 now.. Last Chevy I bought was a K5 Blazer in 76. Could have gotten mail at the dealership I was there so much getting it fixed.

A.S.E., are all you mentally challenge, G.M. advertising it as new Gen. 327cid, it's not the same block as the 70s 327, it is a 325cid who is even worried about such a small difference in 2 different blocks, news flash, you can build either Blocks (70s or new Gen 325 ie 5.3l) to what ever hp you desire, all you need is first the know how, then the money, and last the need to get off the couch and net site, stop debating such small difference between apples and oranges and be a mechanic and build what you got to rip the rear tires off it, reading this, makes me worry and hope none of you work on cars in shops for a living, stick to working on tricycles....

10

The 325 is the stroke the only difference between a 350 and a 327 is two stroke the 350 got a 348 stroke cylinder bore is identical to blocks are identical

1 out of 1 people think this is helpful.
56,955

Engine displacements are often rounded off or changed to a number that sounds better to the marketing guys.

A 5.3 is a bore out version or a 350 but bringing it up in cubic inches it's about a 355-365 probably got concrete in the heads to make it more stable and so it doesn't overheat as bad

17,945

I don't even know how to respond to that

well, i better keep this going...i just heard on a you tube video about old muscle cars that the old 396 was actually a 402. listed as 396 to be under the insurance premium level. was that true? if so, at least there was a good reason for it:) after all the conversation around this i am inclined to believe the 5.3 is somewhere between 324 and 350 lol that's plenty close enough.

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