Cylinder Head Work Port and Polish - Page 5
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  1. #81
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    Quote Originally Posted by CarbideBob View Post
    Yes, you do not want to wet the surfaces.
    The reason you want a rough surface on the intake port is to create a boundary layer between the wall and the air going along the port. Beyond the boundary layer the flow across the intake x-section is more uniform. Maybe the boundary layer discourages fuel form sticking to the surface as well.


    Polishing the port doesn't create a boundary layer and you'll more of a triangular velocity profile near the wall, for a greater thickness, so lessening the potential flow rate.

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  3. #82
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    Quote Originally Posted by D Nelson View Post
    I donít think 40 k is going to go very far these days
    Don


    Sent from my iPhone using Tapatalk Pro
    Those two turbos are north of 10,000.00 us. Add another 6000 for the fuel system and we havenít bought any engine parts yet


    When I find it I donít need it
    When I need it I canít find it!

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    Quote Originally Posted by Turbowerks View Post
    Those two turbos are north of 10,000.00 us. Add another 6000 for the fuel system and we havenít bought any engine parts yet


    When I find it I donít need it
    When I need it I canít find it!
    A local boy here. he ran it on street outlaws I think he told me 3800 horse power he has now moved on to bigger and badder shit
    Donhere is a Nissan GT-R. A friend has
    Don


    Sent from my iPhone using Tapatalk Pro

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  6. #84
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    one more for the Ford boys
    Don


    Sent from my iPhone using Tapatalk Pro

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    On the subject of big ass turbo builds... look up Mike Finnegan's "Game Over". I forgot what he said the HP is... couple thousand, though. It's a Sonny Leonard 711 ci, I think.

    Sonny Leonard has a 1000 ci engine out now. "Over 2100HP" N/A is what they say on their site. $109K. I think that's dressed, though - 4 big carbs and all that.


    By the way, did you know Sonny passed away this year? Pneumonia.

    Sent by telegraph using - .- .--. .- - .- .-.. -.-

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  10. #86
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    Also, just cause I have this on my phone... heres a Mustang with an 1100Ci DOHC V8 Ford GAA. It's a Sherman tank engine.

    I want one. That and a 12V92 (I'll settle for a 71).

    Gotta love a buzz'n dozen.

    Sent by telegraph using - .- .--. .- - .- .-.. -.-

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  12. #87
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    Quote Originally Posted by wheelieking71 View Post
    I can not, will not, argue the powerful virtues of EFI. It is my opinion that ignition control is even more powerful than fuel metering.
    But the fact remains, EFI does not "make" power. It just doesn't.
    Best to check with Uncle Tony! Hey....how about that long weekend Hemi install?---UTG rocks!

  13. #88
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    Quote Originally Posted by standardparts View Post
    Best to check with Uncle Tony! Hey....how about that long weekend Hemi install?---UTG rocks!
    I couldn't sit and watch the whole thing. I took a few breaks and watched some. I listened to most of it though while working on my junk (doing a clean-up/re-furb on an old MIG welder I picked up for basically free). I wanted to take the hammers away from Andy! LOL. And couldn't help but cringe at the other dude installing all the carb-hardware with bitch-mittens on. I was going to laugh my ass off if he dropped something down the intake. I saw the dip-stick fiasco coming from as soon as they took the mill off the stand. Fire-up & break-in looked to go flawlessly though! Good stuff. I chuckled a little when Tony got zapped. I knew exactly what happened the way he jerked. He didn't even miss a step when it happened though. He is definitely my favorite of all the youtube motor-head personalities.

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    Quote Originally Posted by triumph406 View Post
    and then there's Gordon Jenning's 2 Stroke Tuners Handbook

    2 Stroke Tuners Handbook by Jennings, Gordon: Good Paperback (1987) | HPB-Red

    Personally I prefer 2-strokes over 4-strokes. More fun, cheaper to fix, sound better.
    Something that goes "bang" every rev, is better than something that goes "bang" every 2nd
    Long live the stinkwheel!

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    Quote Originally Posted by triumph406 View Post
    Neither, I'm more into off-road 2-strokes. Current bike is a Suzuki RMX250, a semi-tamed RM250 with lights and a large tank.
    Attachment 332643

    What I would like though is a bike I saw coming out of a Meon Valley (Hampshire UK) petrol station maybe 35 years ago. It was a Suzuki GT750 engined Dresda framed cafe racer. Made a racket that would raise the dead.
    Small world....as there weren't many of them around....and not many within 30 miles....I'm 99.9% sure that kettle was ported/tuned by a one time business partner of mine (years before I had the business with him)....

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    Quote Originally Posted by wheelieking71 View Post
    I couldn't sit and watch the whole thing. I took a few breaks and watched some. I listened to most of it though while working on my junk (doing a clean-up/re-furb on an old MIG welder I picked up for basically free). I wanted to take the hammers away from Andy! LOL. And couldn't help but cringe at the other dude installing all the carb-hardware with bitch-mittens on. I was going to laugh my ass off if he dropped something down the intake. I saw the dip-stick fiasco coming from as soon as they took the mill off the stand. Fire-up & break-in looked to go flawlessly though! Good stuff. I chuckled a little when Tony got zapped. I knew exactly what happened the way he jerked. He didn't even miss a step when it happened though. He is definitely my favorite of all the youtube motor-head personalities.
    Brought back lots if memories thrashing the days before a weekend race schedule. Could sense when the joking around was wearing thin, too much caffeine, not enough water, too many hours on your feet. And yeah the open carbs....Excellent YouTube channel.

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    Quote Originally Posted by standardparts View Post
    Brought back lots if memories thrashing the days before a weekend race schedule. Could sense when the joking around was wearing thin, too much caffeine, not enough water, too many hours on your feet. And yeah the open carbs....Excellent YouTube channel.
    You mean not enough beer, LOL. That Mark dude was jonesin' for a cold-snack, or six. Tony was having none of that.
    Did you see that fucking ass-hat ask Mark if he retired on tax-payer money in the very beginning?!
    I wanted to pull that jack-ass through my monitor and strangle him

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  21. #93
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    Quote Originally Posted by wheelieking71 View Post
    You mean not enough beer, LOL. That Mark dude was jonesin' for a cold-snack, or six. Tony was having none of that.
    Did you see that fucking ass-hat ask Mark if he retired on tax-payer money in the very beginning?!
    I wanted to pull that jack-ass through my monitor and strangle him
    What you saw there has been happening someplace-someshere for decades. Might be cars, or bikes, or some other mechanical contrivance but gearheads doing a thrash is always the same. One way or another.

    And not to start a shit- show...What you think "71" about the porting...could it be done using a VMC to model the port?

  22. #94
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    [QUOTE=standardparts;3828406]Ah, the 426 wedge. Long, long time ago I played with one. A real Max Wedge. Crossram and Max Wedge heads, and not that they needed help, they were ported. Hemi 8 bolt flange crank, lots 'o compression, Milodon swing pickup--4 speed car
    -all the Super Stock stuff. Heavy engine--scary fast top end. Big dollar collector parts now-a-days. Am surprised that there would be enough demand for CNC ported "B/RB" motor heads. Anyone ever do Max wedge head castings?

    Like this?

    toe2.jpg

    toe1.jpg

  23. #95
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    Just as a note porting a two-stoke is like changing a camshaft in a four stoke.
    Port and polish on one maybe some different goals from the other.
    Big fan of Jennings.
    He inspired me to spend countless hours digging through obscure SAE papers in the library when I should have been paying more attention to my school classes.
    The other in that time that doomed me to total insanity was The sports car engine by Colin Campbell.
    Bob

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    [QUOTE=pcasanova;3832659]
    Quote Originally Posted by standardparts View Post
    Ah, the 426 wedge. Long, long time ago I played with one. A real Max Wedge. Crossram and Max Wedge heads, and not that they needed help, they were ported. Hemi 8 bolt flange crank, lots 'o compression, Milodon swing pickup--4 speed car
    -all the Super Stock stuff. Heavy engine--scary fast top end. Big dollar collector parts now-a-days. Am surprised that there would be enough demand for CNC ported "B/RB" motor heads. Anyone ever do Max wedge head castings?

    Like this?

    toe2.jpg

    toe1.jpg
    Sweet. Hemi. Is it a real factory Super Stock car?
    Mine was a wedge and made up of leftovers---engine/drive train with wrong year body. The one in pics---aluminum fenders & front bumper?

  25. #97
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    Quote Originally Posted by standardparts View Post
    Sweet. Hemi. Is it a real factory Super Stock car?
    Red ? Go granny, go granny, go granny go !

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  27. #98
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    [QUOTE=standardparts;3832897]
    Quote Originally Posted by pcasanova View Post

    Sweet. Hemi. Is it a real factory Super Stock car?
    Mine was a wedge and made up of leftovers---engine/drive train with wrong year body. The one in pics---aluminum fenders & front bumper?
    from what i gather it is. heard some backstory and showed the pic to a friend who bleeds mopar and got a little education on the car. i guess there about 60 made and only 10 in black and like 4 of the black ones left. most were white for the advertisers

    8a8e9a48-02df-4cb4-93df-951a65cde12a.jpg

    dbf70903-be74-41ec-9354-d5ee7003717e.jpg

  28. #99
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    [QUOTE=pcasanova;3832997]
    Quote Originally Posted by standardparts View Post

    from what i gather it is. heard some backstory and showed the pic to a friend who bleeds mopar and got a little education on the car. i guess there about 60 made and only 10 in black and like 4 of the black ones left. most were white for the advertisers

    8a8e9a48-02df-4cb4-93df-951a65cde12a.jpg

    dbf70903-be74-41ec-9354-d5ee7003717e.jpg
    Very rare car if it's one of the original. Very expensive$$$$
    Most were raced in original build for a year or two and then started getting upgrades and such for different classes or to stay competitive. So, any of them with most of the original parts are very rare----

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    To "snowshooze"

    A long shot but you may try contacting:

    [email protected]

    (402) 616-7643


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