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Learning how to build Lotus Seven replicas...together!
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PostPosted: January 7, 2019, 11:58 am 
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Joined: June 5, 2015, 11:41 pm
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Location: Central FL
Friend is thinking about actually building this. Pictured is the engine he just bought and my book size chassis.

How do you guys put v8’s in a book chassis?


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PostPosted: January 7, 2019, 3:54 pm 
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Somewhere on the site there is an example or discussion of a build like this. Somewhere ... it may be in build logs or in engines.

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PostPosted: January 7, 2019, 4:32 pm 
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Does FL allow marine engines in cars? Year model of the car when complete/titled? emission testing?

It would be a beast in a book frame, 300lbs, 170hp before you do anything to it.

viewtopic.php?f=10&t=12802&p=128285&hilit=mercruiser#p128285

Oh, and v8s don't normally fit in a book chassis. That is why there are 442, 221, etc. These are plus sizes in inches to keep it looking like a seven, but bigger.

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PostPosted: January 7, 2019, 4:44 pm 
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Joined: January 31, 2012, 12:49 pm
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Fits up to an "S10" 60 degree V6 GM bell huh... hmmm....

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PostPosted: January 7, 2019, 4:46 pm 
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Joined: January 14, 2006, 1:06 pm
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Location: Vista (north of San Diego CA)
Talk about shake, rattle and roll! That engine was crap in a boat and would shake your teeth out in a lightweight frame like a Locost's. Keep in mind that a boat loads an engine like a truck going up a hill. Mercruiser engines (Chevy, Ford and custom Mercruiser based) are all set up for that load. A sports car loads the engine much differently, focusing much less on low RPM torque.

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PS - My Mercruiser is in a boat. ;-)


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PostPosted: January 7, 2019, 7:02 pm 
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I forgot about how those big fours shake. :roll:

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PostPosted: January 12, 2019, 9:29 am 
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Warren Nethercote wrote:
Somewhere on the site there is an example or discussion of a build like this. Somewhere ... it may be in build logs or in engines.

I found one thread that looked positive but unfortunately it was not completed due to a new project coming up. Doesn't look like one has actually been completed.

Miatav8,MstrASE,A&P,F wrote:
Does FL allow marine engines in cars? Year model of the car when complete/titled? emission testing?

It would be a beast in a book frame, 300lbs, 170hp before you do anything to it.

https://www.locostusa.com/forums/viewto ... er#p128285

Oh, and v8s don't normally fit in a book chassis. That is why there are 442, 221, etc. These are plus sizes in inches to keep it looking like a seven, but bigger.

Now that is a good question! I will bring that to his attention. We do not have emission testing but the paperwork could get interesting. He is shooting for something like 350 whp NA, or he may put a turbo on it. If it goes in a locost I have already recommended NA with ITB's.

geek49203 wrote:
Fits up to an "S10" 60 degree V6 GM bell huh... hmmm....

Yup, GM trans with ford flywheel and an international starter!

Locost_Johnh wrote:
Talk about shake, rattle and roll! That engine was crap in a boat and would shake your teeth out in a lightweight frame like a Locost's. Keep in mind that a boat loads an engine like a truck going up a hill. Mercruiser engines (Chevy, Ford and custom Mercruiser based) are all set up for that load. A sports car loads the engine much differently, focusing much less on low RPM torque.

John
PS - My Mercruiser is in a boat. ;-)

Miatav8,MstrASE,A&P,F wrote:
I forgot about how those big fours shake. :roll:

If he does complete this it will not just be a stock engine. He talked to a few guys at Bonneville last year about what they have done to run them there. He has a boss head for it in inventory and is going to offset grind the crank to get rid of the big 2.500 rod end while changing the stroke. Goal is to lighten the rotating assembly to help keep the vibes low.

I wonder how the shake would be compared to the 3.3L in a model A?

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PostPosted: January 12, 2019, 12:46 pm 
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There are a lot of mods for these engines to make them reliable.

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PostPosted: January 12, 2019, 10:30 pm 
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I remember a Mercury in a H-Mod car in the early 60's. Wasn't all that fast but it sure was loud!

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