4.3 swap x engine to w type - S-10 Forum
 
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post #1 of 19 Old 10-21-2007, 09:56 PM Thread Starter
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4.3 swap x engine to w type

I have been the owner of a 96 s10 for 3 hours now and have been searching the forum and was unable to find any information on it. I have the x engine in it and am getting some knocking and found a w engine for sale. Is this an easy swap? What needs to be done in order to go from an x to a w type engine? Mine is a 4 wheel drive and th one i am buying is also 4 wheel drive if that helps.



thanks for your help...

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post #2 of 19 Old 10-21-2007, 10:31 PM
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Re: 4.3 swap x engine to w type

It is the same engine if it is the same year.

If it is older don't bother.

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post #3 of 19 Old 10-21-2007, 10:48 PM Thread Starter
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Re: 4.3 swap x engine to w type

ok great, they are both 96's .... the only reason i was curious about this is because the person i am buying it off asked which engine i had and acted like it mattered. what is the difference if anyone knows between the x and the w...
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post #4 of 19 Old 10-21-2007, 10:51 PM
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Re: 4.3 swap x engine to w type

Let the debate begin. This may get heated.

I say absolutely nothing. Programing is the same.

Rick, aim-RAT5111468
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Custom Intake Manifold with 32lb/hr Injectors, Comp cam 260AHR, Tuner Cat Speed Density tune, Vac modulated trans with shift kit and vette servo, Bolt on's
Camshaft Tutorial-----My Truck and The Roots Blower Project ------ My Tuning Tutorial
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post #5 of 19 Old 10-21-2007, 10:53 PM
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Re: 4.3 swap x engine to w type

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Originally Posted by jos10 View Post
ok great, they are both 96's .... the only reason i was curious about this is because the person i am buying it off asked which engine i had and acted like it mattered. what is the difference if anyone knows between the x and the w...
Nothing if it is a 96+. A 95- would be plenty of work. Also for a engine swap don't let anyone try to tell you its worth more. If its a whole truck there are differences.
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post #6 of 19 Old 10-21-2007, 10:55 PM
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Re: 4.3 swap x engine to w type

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Let the debate begin. This may get heated.

I say absolutely nothing. Programing is the same.
I got your back.
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post #7 of 19 Old 10-21-2007, 11:25 PM
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Re: 4.3 swap x engine to w type

well, i have been doing a little research about this tonight and just happened to come across this. 96-98 X/W are the same, central sequential injection. 93-95 has cfi and is a W vin.

but according to my manual (not sure if its very accurate) a W 4x4 makes 190hp , 2wd makes 180. 4x4 X series makes 180 and 2wd makes 175. the manual is for a 97 sonoma.
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post #8 of 19 Old 10-21-2007, 11:41 PM
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Re: 4.3 swap x engine to w type

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Originally Posted by ktm841 View Post
well, i have been doing a little research about this tonight and just happened to come across this. 96-98 X/W are the same, central sequential injection. 93-95 has cfi and is a W vin.

but according to my manual (not sure if its very accurate) a W 4x4 makes 190hp , 2wd makes 180. 4x4 X series makes 180 and 2wd makes 175. the manual is for a 97 sonoma.
Yep. I haven't really seen concreate explanations as to what is different about the engines to make different amounts of power though. Or, maybe gm thought that the 4x4's needed a couple extra horsepower to make the sale over the 2wd's.

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2000 4.3 auto
Custom Intake Manifold with 32lb/hr Injectors, Comp cam 260AHR, Tuner Cat Speed Density tune, Vac modulated trans with shift kit and vette servo, Bolt on's
Camshaft Tutorial-----My Truck and The Roots Blower Project ------ My Tuning Tutorial
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post #9 of 19 Old 10-22-2007, 12:10 AM Thread Starter
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Re: 4.3 swap x engine to w type

thats great to know, thanks for your help everyone... it is good to know that the w should work fine and give me 10 extra hp.

thanks
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post #10 of 19 Old 10-22-2007, 07:51 AM
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Re: 4.3 swap x engine to w type

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Yep. I haven't really seen concreate explanations as to what is different about the engines to make different amounts of power though. Or, maybe gm thought that the 4x4's needed a couple extra horsepower to make the sale over the 2wd's.
I still believe it has to do with the larger Y pipe dia on the 4X4. The vans and FS trucks came with 200hp. Go fugure
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post #11 of 19 Old 10-22-2007, 07:07 PM
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Re: 4.3 swap x engine to w type

is this also true for later years? Would a let's say 2003 x vin code 4.3 engine swap with no problems to a 2001 w code blazer? Would anything be different?
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post #12 of 19 Old 10-22-2007, 07:08 PM
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Re: 4.3 swap x engine to w type

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is this also true for later years? Would a let's say 2003 x vin code 4.3 engine swap with no problems to a 2001 w code blazer? Would anything be different?
That may be different. They did change year to year, the big difference may be the knock sensor. And the egr.

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Custom Intake Manifold with 32lb/hr Injectors, Comp cam 260AHR, Tuner Cat Speed Density tune, Vac modulated trans with shift kit and vette servo, Bolt on's
Camshaft Tutorial-----My Truck and The Roots Blower Project ------ My Tuning Tutorial
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post #13 of 19 Old 10-22-2007, 07:20 PM
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Re: 4.3 swap x engine to w type

But then could I just change the components from one year block to the other?
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post #14 of 19 Old 10-22-2007, 07:22 PM
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Re: 4.3 swap x engine to w type

The knock sensor may be different, as i said in my last post...

Rick, aim-RAT5111468
2000 4.3 auto
Custom Intake Manifold with 32lb/hr Injectors, Comp cam 260AHR, Tuner Cat Speed Density tune, Vac modulated trans with shift kit and vette servo, Bolt on's
Camshaft Tutorial-----My Truck and The Roots Blower Project ------ My Tuning Tutorial
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post #15 of 19 Old 10-23-2007, 07:40 AM
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Re: 4.3 swap x engine to w type

effort to results wise i dont think 10hp is enough by itself to do an engine swap
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post #16 of 19 Old 10-23-2007, 07:46 AM
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Re: 4.3 swap x engine to w type

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Originally Posted by bill 4.3l 5spd View Post
effort to results wise i dont think 10hp is enough by itself to do an engine swap
He said he was knocking.
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post #17 of 19 Old 10-23-2007, 07:56 AM
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Re: 4.3 swap x engine to w type

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ok great, they are both 96's .... the only reason i was curious about this is because the person i am buying it off asked which engine i had and acted like it mattered. what is the difference if anyone knows between the x and the w...
He could have been asking if your was a 4 cylinder or the V6.
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post #18 of 19 Old 10-23-2007, 03:54 PM
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Re: 4.3 swap x engine to w type

Sorry to highjack this post, but I'm still a bit confused. I mentioned whether let's say 2003 x vin code 4.3 engine would swap with no problems to a 2001 w code blazer?

The answer received is that the knock sensor and EGR are different. But are these just bolt on parts that can be changed from one engine to the other..or is block holes or threaded component locations different etc and this a not doable swap.

My 2001 w code 4.3 4wd Blazer looks like needs an engine and I found a low milaige 2003, but want to make sure swap will work.
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post #19 of 19 Old 10-23-2007, 04:23 PM
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Re: 4.3 swap x engine to w type

why would you go through the trouble of an engine swap and not just drop a v8 in there??
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