MerCruiser 470/488 engine....

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MerCruiser 470/488 engine....

Post  jbozzelle on August 24th 2015, 5:31 pm

What can I do to one of these little BBF headed 4 bangers...? Found one local for sale. Been thinking it would be nice in this little street rod frame I have laying around. Rat Rod power anyone???

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Re: MerCruiser 470/488 engine....

Post  IDT-572 on August 24th 2015, 5:51 pm

A guy had one for sale a while back on the board with extra stroker cranks Edelbrock head Pistons ect.

And another guy has one in a mini modified dirt car, Bad boy ! ! ! ! ! !
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Re: MerCruiser 470/488 engine....

Post  rmcomprandy on August 24th 2015, 8:36 pm

To much power and you just break the block.
To pep-up some Sea-Ray boats we would buy a pair of Trick Flow 290 heads and use one on each engine.

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Re: MerCruiser 470/488 engine....

Post  jbozzelle on August 25th 2015, 1:20 pm

I don't want to get crazy with it but my dad has this 30 street rod frame and wants to do something with it. Figured this would be a cool powerplant.

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Re: MerCruiser 470/488 engine....

Post  IDT-572 on August 25th 2015, 2:58 pm

jbozzelle wrote:I don't want to get crazy with it but my dad has this 30 street rod frame and wants to do something with it.  Figured this would be a cool powerplant.

It would. Most people that saw it wouldn't have a clue what it was.
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Re: MerCruiser 470/488 engine....

Post  jbozzelle on August 25th 2015, 3:36 pm

Who makes cams for it?

Waiting on the guy to call back but he has a complete engine and a bunch of parts for $100...


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Re: MerCruiser 470/488 engine....

Post  rmcomprandy on August 25th 2015, 4:10 pm

jbozzelle wrote:Who makes cams for it?

Waiting on the guy to call back but he has a complete engine and a bunch of parts for $100...

Again ... they did a pretty good job when designing the block for the power output needed so, increasing power by a lot and you will simply break the block; been there. Get compression much over 10/1 or revving it much above 5,000 RPM and you will need to find another engine.

We simply had the stock camshafts reground to just a LITTLE increase.

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Re: MerCruiser 470/488 engine....

Post  jbozzelle on August 25th 2015, 4:45 pm

Thanks! I'll see if I can close the deal on this

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