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3.4 dohc vs 4.9 by thismanyfieros
Started on: 03-13-2009 09:10 PM
Replies: 84
Last post by: IROCTAFIERO on 08-31-2010 12:08 PM
HausFiero
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Report this Post08-30-2010 08:52 PM Click Here to See the Profile for HausFieroSend a Private Message to HausFieroDirect Link to This Post
My plans are probably to do the 3.4 dohc swap when I get my next fiero.

But.. I ressurected this thread to ask which swap is easier? The 3.4 dohc or the 4.9?
Edit: Page 3 is all mine!

[This message has been edited by HausFiero (edited 08-30-2010).]

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qwikgta
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Report this Post08-30-2010 10:42 PM Click Here to See the Profile for qwikgtaClick Here to Email qwikgtaSend a Private Message to qwikgtaDirect Link to This Post
easy is the key word. I did a 3.4 DOHC swap, and it was easy. bolts up to the stock mounts, cut off the "dog bone" mount, and half the pass side hood hinge. the mechanical part of it will only take days to figure out. The electrical part was another story. Having done one, I can look back and say "it wasn't that bad" but at the time it was difficult to figure out. I love the drive, and I love the sound. I used the WCF 2.5inch exhaust with Spintek muffler, and it sounds great. Not a lot (if any) aftermarket support. If I could do it again, I'd go LS3.

rob
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Erik
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Report this Post08-31-2010 05:08 AM Click Here to See the Profile for ErikClick Here to Email ErikSend a Private Message to ErikDirect Link to This Post
3.4 DOHC great engine ..drive it every day for 5 yrs..jones out when I can't ..if I had to do it agian I would reconfig my exhaust , that's about it
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dratts
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Report this Post08-31-2010 11:26 AM Click Here to See the Profile for drattsClick Here to Email drattsSend a Private Message to drattsDirect Link to This Post
The guy who would know is fiero king. He's done both swaps. This is a possible flame thread and he may not want to get involved, but his would certainly be an informed opinion.
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IROCTAFIERO
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Report this Post08-31-2010 12:08 PM Click Here to See the Profile for IROCTAFIEROSend a Private Message to IROCTAFIERODirect Link to This Post
I like them both with a slight nod to the DOHC
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