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how do i know I have a ws6 engine?

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Old 12-11-2015, 11:56 PM
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Originally Posted by atl1234
the motor is suppose to be from a 2002 ws6
Then you have exactly the same LS1 engine as every other 2002 model year V8 F-body. There is no specific "WS6 engine". Doesn't matter if it's a Z28, WS6, Firehawk, SS, Trans Am, or Formula....they all used exactly the same engine for the same model year.

To get a bit more detailed, there were some 2001 and 2002 models that received LS6 *blocks* from the factory. Understand, it's just the block, not the heads or cam. And these were issued to random models, not just WS6 or SS cars. Furthermore, every '01+ V8 F-body received an LS6 intake regardless of which block (LS1 or LS6) it came with.

Again, I want to be clear in an effort to prevent further spreading of internet rumors.... NO F-body ever received an entire LS6 engine from the factory - it simply didn't happen, though *some* did receive the LS6 block in '01/'02. And ALL received the LS6 intake in '01/'02. This does not make them "LS6 engines" though as they did not ever receive the LS6 heads or cam.
Old 12-12-2015, 12:23 AM
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Originally Posted by Mappinsj
The best way to answer the question.

You will not ever be able to tell by looking at the engine if it came from a ws6. It could have come from a camaro, there is also no way to know.

And what everyone is trying to explain here is that there is only two "different" I use that term loosely, ls1 engines from 98-02.

98-00 will have an egr port in the intake manifold.
01-02 will have no port in the intake manifold
(Placement right after the throttle body)


01-02 came with a slightly less aggressive camshaft
But honestly the difference is not noticeable.
.03 lift less than a 2000 camshaft (something like that)

98 camaro and Pontiac ls1 came with slightly smaller piston skirts, but that's not even something you can see


That's pretty much it!

So the last two things I said basically mean nothing, all that matters is you have an ls1 from another ls1 car. That is it!

Is it possible the car is a 1998 that you're looking at buying?


No erg port in the intake manifold. There is a aluminum plug where the port would be.
Old 12-12-2015, 12:25 AM
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Originally Posted by RPM WS6
Then you have exactly the same LS1 engine as every other 2002 model year V8 F-body. There is no specific "WS6 engine". Doesn't matter if it's a Z28, WS6, Firehawk, SS, Trans Am, or Formula....they all used exactly the same engine for the same model year.

To get a bit more detailed, there were some 2001 and 2002 models that received LS6 *blocks* from the factory. Understand, it's just the block, not the heads or cam. And these were issued to random models, not just WS6 or SS cars. Furthermore, every '01+ V8 F-body received an LS6 intake regardless of which block (LS1 or LS6) it came with.

Again, I want to be clear in an effort to prevent further spreading of internet rumors.... NO F-body ever received an entire LS6 engine from the factory - it simply didn't happen, though *some* did receive the LS6 block in '01/'02. And ALL received the LS6 intake in '01/'02. This does not make them "LS6 engines" though as they did not ever receive the LS6 heads or cam.

i Understand that there is no way to tell if it came from a ws6, I'm just trying to verify as much as i can, that the swap is what it is.
Old 12-12-2015, 12:39 AM
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Originally Posted by Mappinsj
To check just google the stamp number on the intake in the middle of it.
241 heads will be stamped on the passenger end facing the front of car.

Ls6 intake will not have egr pipe
These are the numbers that i found stamped on the head
1.

2.

3.



not sure which one your talking about
Old 12-12-2015, 12:48 AM
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Originally Posted by atl1234
These are the numbers that i found stamped on the head 1. 2. 3. not sure which one your talking about
Ok those heads are from 99-00 ls1 engines

853 is the head number on top
Old 12-12-2015, 01:38 AM
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Originally Posted by Burken01
Ok those heads are from 99-00 ls1 engines

853 is the head number on top
That is correct, definitely a '99-'00 head with that 853 casting number, so the heads at least are not from 2002 at all.

Originally Posted by atl1234
No erg port in the intake manifold. There is a aluminum plug where the port would be.
Then it doesn't sound like an LS6 intake either. Those intakes never had a port to plug, so there wouldn't be any aluminum plug in one. The only exception would be something like the SLP-specific LS6 intakes that were sold 10+ years ago via SLP's retail outlet that had been drilled (by them) for EGR tube use on earlier models. But that's highly unlikely, so you probably have a '98-'00 LS1 intake to go with those earlier LS1 heads.

Originally Posted by atl1234
the motor is suppose to be from a 2002 ws6
Overall, based on the intake and head data that you've provided so far, I don't see anything to suggest that this is a 2002 engine.
Old 12-12-2015, 10:40 AM
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Ok thanks everyone for the help/info. Learning experience



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