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  why can't I find info on a 3.1 swap????????????????????

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why can't I find info on a 3.1 swap???????????????????? by dclink
Started on: 11-14-2003 10:12 PM
Replies: 5
Last post by: The_Raven on 11-15-2003 04:00 PM
dclink
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Report this Post11-14-2003 10:12 PM Click Here to See the Profile for dclinkClick Here to visit dclink's HomePageClick Here to Email dclinkSend a Private Message to dclinkDirect Link to This Post
I know that the 3.4 is almost as easy, lots better, etc. but I can't find one local. I did find a 3.1.

Is it the same swap as the 3.4, i.e. intake, exhaust, distributor - how about engine mounts?

Is '94 Lumina minivan OK?

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Report this Post11-14-2003 10:23 PM Click Here to See the Profile for PBJClick Here to Email PBJSend a Private Message to PBJDirect Link to This Post
It would be the same as the other alluminum head 2.8, 3.1, 3.4 fwd as far as the swap goes. Pretty straight forward.

Pete

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dclink
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Report this Post11-14-2003 10:48 PM Click Here to See the Profile for dclinkClick Here to visit dclink's HomePageClick Here to Email dclinkSend a Private Message to dclinkDirect Link to This Post
so a '94 Lumina Mini van is an aluminium head engine? Sounds like it will be a pain!

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The_Raven
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Report this Post11-15-2003 01:34 AM Click Here to See the Profile for The_RavenClick Here to visit The_Raven's HomePageClick Here to Email The_RavenSend a Private Message to The_RavenDirect Link to This Post
The '94 Lumina APV 3.1 is an iron head engine. So swapping will be the same as a 3.4L. From an F-body, except for the need to re-drill the starter holes.

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The Raven :Under Construction
"James" 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid 13.873 @ 99.08

"Speed Costs, How fast do you want to go?"

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Raydar
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Report this Post11-15-2003 08:45 AM Click Here to See the Profile for RaydarClick Here to Email RaydarSend a Private Message to RaydarDirect Link to This Post
 
quote
Originally posted by The_Raven:

The '94 Lumina APV 3.1 is an iron head engine.

Sure about that?
I was under the impression that they switched to aluminum heads before that.

In any event, the easiest way to tell is to look at the exhaust manifolds and spark plugs.
The iron head engines have two spark plugs between two of the exhaust ports.
The aluminum head engines have exhaust ports and spark plugs laid out in order.
Does that make sense?

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Raydar
88 3.4 coupe.

Coming soon...
88 Formula, presently under the knife.

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The_Raven
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Report this Post11-15-2003 04:00 PM Click Here to See the Profile for The_RavenClick Here to visit The_Raven's HomePageClick Here to Email The_RavenSend a Private Message to The_RavenDirect Link to This Post
 
quote
Originally posted by Raydar:

Sure about that?
I was under the impression that they switched to aluminum heads before that.

In any event, the easiest way to tell is to look at the exhaust manifolds and spark plugs.
The iron head engines have two spark plugs between two of the exhaust ports.
The aluminum head engines have exhaust ports and spark plugs laid out in order.
Does that make sense?


No, because that is not correct, the "order of spark plugs and exhaust ports is the same between iron heads and aluminium heads.

Also, yes I am VERY sure about the Lumina APV have iron heads, it was the only '90s transverse vehicle to use an iron head 660. The minivans were upgraded to aluminum heads in '96 with the introduction of the 3400 in the Montana.

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The Raven :Under Construction
"James" 1985 GMC Jimmy, 3.2L turbocharged intercooled hybrid 13.873 @ 99.08

"Speed Costs, How fast do you want to go?"

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