5.0L engine compatable for a swap? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 06-05-2006, 02:22 PM   #11
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WHY? Can you please explain why you would want this. Why would you want to defile a product as nice as a Pontiac let alone a Bonneville with a ford motor. Please explain
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Old 06-05-2006, 05:27 PM   #12
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Quote:
Originally Posted by Taylora
Instead of using a Ford V-8 why couldn't he use a 4.0L Aurora V-8??? The Aurora is the same platform as the Bonneville and he could have about 260 horspower. If I am correct about the horsepower. Would it be easier to put the 4.0 in the Bonneville than the 5.0??

A.J.
Why would you do that instead of an L67? It'* very easy to push the L67 to 260 horse (most are that way from the factory), and the L67 easily out-torques the 4.0liter.
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Old 06-05-2006, 05:36 PM   #13
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Quote:
Originally Posted by willwren
Quote:
Originally Posted by Taylora
Instead of using a Ford V-8 why couldn't he use a 4.0L Aurora V-8??? The Aurora is the same platform as the Bonneville and he could have about 260 horspower. If I am correct about the horsepower. Would it be easier to put the 4.0 in the Bonneville than the 5.0??

A.J.
Why would you do that instead of an L67? It'* very easy to push the L67 to 260 horse (most are that way from the factory), and the L67 easily out-torques the 4.0liter.
stock for stock:
4.0L V8 HP 250 TQ 275
3.8 L67 S2 HP 240 TQ 280 (235/275 for a w-body)

your baseline is basically identical, but the N* revs alot faster than the L67, but doesnt have the aftermarket performance options that the L67 does
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Old 06-07-2006, 09:35 PM   #14
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I'd figure it'd be a lot easier to find a donor L67 instead of the 4.0, also. Plus the L67 is as close to a bolt on as your could get, there would still be some slight mounting fabrication for the 4.0 because bonnie'* never came with them. I'd just go with the L67, it revs plenty fast for me and makes use of all the low end torque, but you can always rev fatser with a gear change and there are tons of easy mods to push 300hp for under a few grand. Still yet, with the L67 you can always find tips and troubleshooting free of charge right here on the site. End the end, do whatcha wanna do...as long as it doesn't involve a ford motor in your bonnie.
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