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  1. 12-08-2012, 12:13 PM #1
    HQforme
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    Default Long shot. Rubber trumpets/filters.

    Late last night i had one of those ridiculous thoughts as i drove home.

    Laws prohibit "hard" engine components from protruding above the bonnet line and they include the tin plates on air filters as "hard" but surely there are many rubberised compounds rigid enough to hold the form of a trumpet or filter base/top and yet would deform completely under and load more than a couple of kilograms.

    Wonder how that would sit with the power's that be provided they didn't impede vision?
    EFN 202 : knowledge is (horse)power!
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  2. 12-08-2012, 06:55 PM #2
    ovakil
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    Well I've seen 4wd's with spare wheel mounted on bonnet.I guess you would have a case.
    "If the tires don't STICK the engine don't mean D1CK"
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  3. 12-08-2012, 07:27 PM #3
    3 FIFTY FIVE
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    I reckon you're onto to something there. I would contest a defect ticket for my filter sticking through the bonnet as is not made of hard material.
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  4. 12-08-2012, 10:23 PM #4
    adshqmonaro
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    Well if you made them from fiberglass it's the same as a hornet scoop which they don't have a problem with. As long as it isn't too high and has no sharp edges.. Provided you made the bonnet hole edges so they aren't sharp..
    I had a similar thought on rubberized trumpets, prob have to get them custom made..
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  5. 13-08-2012, 01:35 AM #5
    desoto30
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    look @ the old ramchargers car "High & mighty" they had the first tunable length induction system. This is what I first thought of when reading the first post.
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  6. 19-08-2012, 07:19 AM #6
    desoto30
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    Check this out High and Mighty - the Ramchargers
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  7. 19-08-2012, 04:13 PM #7
    HQforme
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    Cool read!
    EFN 202 : knowledge is (horse)power!
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  8. 19-08-2012, 07:01 PM #8
    79vb
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    i think you can buy nolothane or similar in bar stock you could get them turned up it really is and arsehole to turn though
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  9. 19-08-2012, 07:16 PM #9
    HQforme
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    We turn quite a few plastics at work and some of them are actually beautiful to work with but a lot of nylons are horribly soft and stringy, they just wrap round the tool and the job. I think the cutting speed is relatively low even though you can plow through like butter.
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  10. 19-08-2012, 07:30 PM #10
    olfrt
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    Freeze nolathane before you turn it, makes it a lot easier.
    To be old and wise, first you must be young and stupid..
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  11. 19-08-2012, 07:31 PM #11
    79vb
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    yeah you need to be a master at grinding up a hss knife bit
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  12. 19-08-2012, 07:42 PM #12
    79vb
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    wow never thought of freezing it
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  13. 19-08-2012, 09:12 PM #13
    HQforme
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    I just use the carbide tooling at work and play around till i get it working well. It doesn't chip but if you get it right it still guides the swarf away nicely and you can get a good surface finish.

    Freezing it? I'll give it a go!
    EFN 202 : knowledge is (horse)power!
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  14. 20-08-2012, 08:31 AM #14
    desoto30
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    Quote Originally Posted by HQforme View Post
    Cool read!
    I thought so too when I read it.
    something not stated was that this car was retired because the NHRA changed the maximum distance for the crank centerline to the ground IIRC to 24" max. Which excluded this car & to make it legal the whole deal would have not worked, according to the team. Just look @ the pic & imagine where the crank center is Wow is all I can say,, makes me think
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