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3.8L parts on a 3.3L
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No53Alero



Joined: 09 Jun 2003
Posts: 157
Location: CINCINNATI, OH

Posted: Fri May 07, 2004 7:58 pm    Post subject: 3.8L parts on a 3.3L  

i was wondering if I could find a set of headersfor a 3,8l to put on my 3.3L The engines and exhaust are extremely similar. I found some for a Buick Century 3.8L on jcwhitney's site but the year isn't listed. I had my friend look up exhaust manifold gaskets for my car and a 3.8l century and they use exactly the same part! also If I could find a bigger throttle body for a 3.8L I was wondering if it would fit, I know some earlier 3.8's look awfully interchangeable. my manual says the 2 engines only have a .10" bore difference. Would it be beneficial to swap if the parts are similar and fit?
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jpfootball07



Joined: 13 Feb 2005
Posts: 4

Posted: Wed Feb 23, 2005 6:49 pm    Post subject: Re: 3.8L parts on a 3.3L  

airbaggedciera wrote: i was wondering if I could find a set of headersfor a 3,8l to put on my 3.3L The engines and exhaust are extremely similar. I found some for a Buick Century 3.8L on jcwhitney's site but the year isn't listed. I had my friend look up exhaust manifold gaskets for my car and a 3.8l century and they use exactly the same part! also If I could find a bigger throttle body for a 3.8L I was wondering if it would fit, I know some earlier 3.8's look awfully interchangeable. my manual says the 2 engines only have a .10" bore difference. Would it be beneficial to swap if the parts are similar and fit?

hay thats a good ? any bodt no out there
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88 Coupe



Joined: 15 Feb 2004
Posts: 2922
Location: Southern California

Posted: Fri Feb 25, 2005 10:05 pm    Post subject: Re: 3.8L parts on a 3.3L  

Hi jpfootball07, hello all,

Quote: Hey thats a good ? Any body know out there?
Welcome to TOC.

It's an old post and the subject has been done to death.

Short answer is: Not practical

Regards, Norm
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