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Snofalls...TBI spacer results (Second test, Final results)

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Offline wildgoody

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Re: Snofalls...TBI spacer results (Second test)
« Reply #30 on: July 10, 2005, 02:06:21 AM »
Well if it weren't for the fact that the
coolant flows thru the throttle body
I would say this was a good idea
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Offline Digger

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Re: Snofalls...TBI spacer results (Second test)
« Reply #31 on: July 10, 2005, 02:15:49 AM »
I'll offer up the Goblin for testing as well, already running K&N drop in filter, Hawk header and full 2-1/4" exhaust(Dynomax Super Turbo Muffler and a high flowing cat) all on a 5 speed running 33" Swampers. It also has a 4" body lift, so no need for hood modifications! ;). I know you'll probably get a ton of people applying for testing, but I just thought I would offer. ;D
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Offline 1bigtracker

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Re: Snofalls...TBI spacer results (Second test)
« Reply #32 on: July 10, 2005, 03:22:52 AM »
Quote
I know you'll probably get a ton of people applying for testing, but I just thought I would offer. ;D

thats what i though so i wasn't going to say anything :D

stu
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Proud2BCDN

Re: Snofalls...TBI spacer results (Second test)
« Reply #33 on: July 10, 2005, 03:31:42 AM »
Quote
 Prd2BCdn
    I might just ake you up on some of the wilder stuff, the engine you've got is sweet and well past stock so the lightweight stuff won't have as applicable effect.


Cool...let me know if I can help out in any way...imagine if we can get some of these ideas onto a 2L swap ;)
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Offline zaggy

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Re: Snofalls...TBI spacer results (Second test)
« Reply #34 on: July 10, 2005, 07:42:43 AM »
Well guys I appreciate the offers

    I'll touch base when I get some parts built....meantime back to work for me

Zag
« Last Edit: July 10, 2005, 09:41:46 AM by zaggy »
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Offline LawDog

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Re: Snofalls...TBI spacer results
« Reply #35 on: July 10, 2005, 07:56:59 AM »
Quote
Yo Bus_Driver
    The spacer is made out of aluminum (6061 T-6) left over from the aircraft engine project, with a stock gasket on each side. No drawing I used the gasket as the template and took a night to do it.

Snofalls
    I use a neat book from the library on Sound and Sonic Waves, it has the formulas for working stuff out. (It's a reference book, you can't take it out so you have to do it there.)
    Anyway I calculated out the plenum volume and drop required to get an appreciable flow difference and then rounded to the availaible aluminum plate on hand.
    The way it worked it it should have boosted the velocity by about 10% and the volume by around 30%.
    Theoritically that should increase overall airflow and horsepower by about 3%, then the real world cuts in and cuts it even more.
    Testing gives the final result, all the math is basically to see if it's worth trying.......In this case it was a good thing and now that I've done it something I could recommend as being worth trying.
    Whats neat for the testing is this little kick is a nice low mileage unit and stone stock. I think a modified unit would benefit even more.
    Next I'm going to build a high flow aircleaner/Filter set up and have him test that.

Zag


Translation-I wasted a bunch of time to make a stock Tracker go a tenth faster in the 1/4 mile, then tested it with an extremely inaccurate test on a dirt road by my nephew 1000km away.  I thought you were gonna build a rally kick with that sidedraft carb motor.  You're disappointin' me here Zag. ::) 8)  Just bustin' on ya man, u should do as many hopups as you can to the stock mill without machine work and see how much more power you can gain. :D
« Last Edit: July 10, 2005, 07:59:16 AM by LawDog »
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Offline bus_driver

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Re: Snofalls...TBI spacer results (Second test)
« Reply #36 on: July 10, 2005, 07:58:32 AM »
sweet I am also north of border and stock except exhaust 2" so if I could help let me know (if nobody else offers that is ;D)

I am  out here in ont. Toronto that is .......I was the bus driver on the Molson indy waving as we passed the checkered flag followed by pace cars with red lights and funny men wearing blue sight. they were waving and yelling happy things at me!!!
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Offline cj

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Re: Snofalls...TBI spacer results (Second test)
« Reply #37 on: July 10, 2005, 08:47:02 AM »
Quote
Well if it weren't for the fact that the
coolant flows thru the throttle body
I would say this was a good idea


You make up two insulating spacers. One between the intake manifold and head and the other between the intake manifold and throttle body. This still keeps the manifold from heating up so the volume of the air charge won't increase much and helps with resisting knock.  ;D
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Offline zaggy

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Re: Snofalls...TBI spacer results (Second test)
« Reply #38 on: July 10, 2005, 09:14:23 AM »
Yo LawDog

    just what I guy needs...getting busted agin...

  Still collecting parts for the RallyKick dude, gotta do it on a budget ya know.
   Till then i want to use what I've got to test out low level bolt ons.
    RallyKick will rock for testing the upper end mods but I really want to see what this real basic bolt on stuff measures at.

    I know what you mean about testing proceedures, but dyno time is 200.00 per hour plus set up and I can't afford that on a regular basis.....so we make do with averaging and getting what we can.....

Zag
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Offline zaggy

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Re: Snofalls...TBI spacer results (Second test)
« Reply #39 on: July 10, 2005, 09:16:42 AM »
CJ
    Your idea about isolating is good but with the coolant passing throught the TBI the benfit will be real minimal   on a different engine though it would be better.
   As aside note: Getting cold air to the TBI inlet will get you more for less effort.

Zag
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Offline wildgoody

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Re: Snofalls...TBI spacer results (Second test)
« Reply #40 on: July 10, 2005, 12:02:33 PM »
There still is a flaw in this insulation, the coolant
flows thru the intake manifold too.

OK here is the real world data, running a 160*
thermostat, which turned out to be really 145*
the IAT was at 75-130*, depending on the time
of day (ambient temp) and if I was at cruise or
stopped at a light, I then switched to a 180*
thermostat and the IAT only rose 3-5*, no real
difference.

Insulating the TBI in theory sounds good, but
with the design of this intake and TBI system,
there are no real gains to be had, sorry guys

Wild
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Offline cj

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Re: Snofalls...TBI spacer results (Second test)
« Reply #41 on: July 10, 2005, 10:14:38 PM »
Back to the drawing board then  ::) I've never seen the TBI setup as I have an 8v carby and a 16v mpfi so I'm living and learning.  ;D
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Offline zaggy

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Re: Snofalls...TBI spacer results (Second test)
« Reply #42 on: July 11, 2005, 07:20:28 AM »
That's the whole idea CJ

Zag
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Offline LawDog

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Re: Snofalls...TBI spacer results (Second test)
« Reply #43 on: July 11, 2005, 01:13:39 PM »
Quote from: zaggy on July 10, 2005, 09:14:23 AM


 Ã‚    I know what you mean about testing proceedures, but dyno time is 200.00 per hour plus set up and I can't afford that on a regular basis.....so we make do with averaging and getting what we can.....

Zag

You guys don't have a local racetrack with an amateur night??  We've got one here every Tues. night.  Top Dawg Tuesdays.  It's on my day off, so I'm planning on getting Sammi up there soon.
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"I'm the Law 'round here" said the Duckshirt.

Get a Zuk, Get it dirty, Git-R-Done!!

At Lakeview Motor Sports we specialize in rediculousness, hackdome, and wasting your time.
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Proud2BCDN

Re: Snofalls...TBI spacer results (Second test)
« Reply #44 on: July 11, 2005, 03:29:55 PM »
Quote from: LawDog on July 11, 2005, 01:13:39 PM
You guys don't have a local racetrack with an amateur night??  We've got one here every Tues. night.  Top Dawg Tuesdays.  It's on my day off, so I'm planning on getting Sammi up there soon.

Yeah we do have a drag stip and they do occasionally have a night open for street cars, $25 for the evening (or day, whatever it happens to be). BUT I happen to be 5 minutes away from the 'unsanctioned' drag strip where I'll be doing my test and tunes ;).
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