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Thread: BJ8 flywheel take some pounds off

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    Luke Skywalker
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    BJ8 flywheel take some pounds off

    Anybody have a diagram of how they would lighten their flywheel? I have a machinist, but he wants some hints.

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    Luke Skywalker dougie's Avatar
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    Re: BJ8 flywheel take some pounds off

    Here's some good information, https://www.ahexp.com/forum/the-3000...htened.207535/

    I'll post some pictures of one of mine tomorrow.
    Dougie
    '65 BJ8 3000 MKIII GN.29
    '57 100-SIX MM Vintage Racer GN.1 #414
    Team Healey PDX

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Thanks Doug, I had looked at that site before. It shows some of the area to trim. I am not sure how they carved out around the mounting holes. I assume with a milling machine.

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    Luke Skywalker dougie's Avatar
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    Re: BJ8 flywheel take some pounds off

    Hi Jerry -

    Here's a few photos of the lightened stock flywheel I used on my vintager racer for years. You could use this same design for the street, just leaving a little more material on if you didn't want it as light. I think 25 lbs would be a good streetable weight.

    Flywheel 1.jpg
    Flywheel 2.jpg
    Flywheel 3.jpg
    Flywheel 4.jpg
    Dougie
    '65 BJ8 3000 MKIII GN.29
    '57 100-SIX MM Vintage Racer GN.1 #414
    Team Healey PDX

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Good pictures Doug. I also was sent a very old healey magazine which gave how much metal to cut off, ie. 1/8 at the outside corner, 1/4 on the back side curve. I will see if I can post these and we will have it all in the same place.
    Jerry

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Quote Originally Posted by dougie View Post
    Hi Jerry -

    Here's a few photos of the lightened stock flywheel I used on my vintager racer for years. You could use this same design for the street, just leaving a little more material on if you didn't want it as light. I think 25 lbs would be a good streetable weight.

    Flywheel 1.jpg
    Flywheel 2.jpg
    Flywheel 3.jpg
    Flywheel 4.jpg
    Oooo not to sure about that Dougie, I took mine to Bill Rawles and he whipped about 6Lbs out of it. It ticks over well and is quite responsive.



    Bob

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Read the text first then the picture and this will make sense. Helps a lot with Dougs pictures. Thanks Doug.
    flywheel3.jpg

    flywheel4.jpg

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    Luke Skywalker dougie's Avatar
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    Re: BJ8 flywheel take some pounds off

    You're right Bob, I miss-spoke. The wine must have been talking, I meant to say 20lbs. would be a good street weight.

    Or you can go with the "Full Monty" at 10lbs which I use on my racing big Healey.

    Flywheel.jpg
    Dougie
    '65 BJ8 3000 MKIII GN.29
    '57 100-SIX MM Vintage Racer GN.1 #414
    Team Healey PDX

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    Yoda John Turney's Avatar
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    Re: BJ8 flywheel take some pounds off

    More Dougie eye candy.
    John, BN4

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Hey Dougie, How much HP do you get out of your racer engines?

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    Luke Skywalker dougie's Avatar
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    Re: BJ8 flywheel take some pounds off

    Quote Originally Posted by Jerry View Post
    Hey Dougie, How much HP do you get out of your racer engines?
    Hi Jerry -

    I get a lttle north of 250hp with most of my race motors at the wheels. This lastest build is a few levels beyond that....

    Dougie
    '65 BJ8 3000 MKIII GN.29
    '57 100-SIX MM Vintage Racer GN.1 #414
    Team Healey PDX

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    Yoda HealeyRick's Avatar
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    Re: BJ8 flywheel take some pounds off

    Quote Originally Posted by dougie View Post
    Hi Jerry -

    I get a lttle north of 250hp with most of my race motors at the wheels. This lastest build is a few levels beyond that....

    That's pretty amazing. About what I'm getting at the wheels with my V8. Using Sunbeam Tiger cast iron manifolds from a 260 cubic inch motor really chokes the hp, but they do fit without really cutting up the car. Just what do you have to do to the Healey motor to pull that kind of hp?
    Rick

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    I have my friend's Huffaker Healey at my house during the fire season. The owners live in the boondocks and were worried as it is not street legal. When he raced it, the dyno on the engine was only 195 hp. I only drove it around my yard, but I could feel the power available!

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    Jedi Warrior Bob McElwee's Avatar
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    Re: BJ8 flywheel take some pounds off

    That sounds really nice Dougie!
    Bob McElwee
    '62 AH Tri-Carb(sold)
    Miss BT

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    Yoda John Turney's Avatar
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    Re: BJ8 flywheel take some pounds off

    Quote Originally Posted by Jerry View Post
    I have my friend's Huffaker Healey at my house during the fire season. The owners live in the boondocks and were worried as it is not street legal. When he raced it, the dyno on the engine was only 195 hp. I only drove it around my yard, but I could feel the power available!
    I've ridden in it, and it's definitely not docile.
    John, BN4

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    Luke Skywalker dougie's Avatar
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    Re: BJ8 flywheel take some pounds off

    Quote Originally Posted by Jerry View Post
    I have my friend's Huffaker Healey at my house during the fire season. The owners live in the boondocks and were worried as it is not street legal. When he raced it, the dyno on the engine was only 195 hp. I only drove it around my yard, but I could feel the power available!
    Hi Jerry -

    Does Phil still own the car? I corresponded with him a few times when he was thinking of selling it.

    Huffaker Healey Side.jpg
    Attached Images Attached Images
    Dougie
    '65 BJ8 3000 MKIII GN.29
    '57 100-SIX MM Vintage Racer GN.1 #414
    Team Healey PDX

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    Luke Skywalker
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    Re: BJ8 flywheel take some pounds off

    Yes, Phil needs to sell it. He decided he is too old to race anymore and it needs to be driven. He has a 100 4 Healey and a Morris Minor so he still has lots of toys to drive. We are trying to decide where to post it for sale.

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    Jedi Warrior HealeyPassion's Avatar
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    Re: BJ8 flywheel take some pounds off

    Really impressive Dougie!!!... full build specs??... or is that secret?

    Steve
    1963 Austin Healey 3000 BJ7 the Blue car.. under construction

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