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   All Posts (dvr1000)


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Re: Gunson's colortune
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Not a H1,nice bike, but you'll get the idea:

https://www.youtube.com/watch?v=yt6m35akQrA

Posted on: 11/5 21:21
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Re: Gunson's colortune
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When it was first developed in the early 70's there was a method for selecting carb jets etc. The driving wheels would be removed, the car secured on stands, the accelerator floored and the brakes applied to pull the revs down to 2k, 3k 4k etc for a colour reading. Usually it was necessary to let the brakes cool between readings.

Posted on: 11/4 10:02
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Re: What is the fastest most accurate wa to check CC's in cyl head ?
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There is no fast way. If you don't want to remove the head, tilt motor so plug is highest point and vertical. Set at TDC so valves are closed. Remove plug, measure and fill chamber to bottom of spark thread with oil. Knowing what that is you'll be able to get a pretty accurate figure for the compression ratio. Don't worry about a few drops up or below the threads. It's too small an amount to affect the CR. (CR=swept volume+combustion chamber divided by combustion chamber.)

Posted on: 10/21 23:24
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Re: industrial plugs for the A series
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Mazda is doing it a different way. From what I understand they run similar high compression ratios and very lean mixtures but inject a second short rich mixture, shot at the spark plug to initiate the ignition process.

There are some clever engineers out there doing things with the combustion engine that weren't even thought of a couple of decades ago. The days of big cubes for big power are over.

Posted on: 10/21 8:25
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Re: SR20VE vs F22C vs VQ35/7 best power TQ to engine weight
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What's the point? What's the advantage? Is it a better mouse trap?

Posted on: 9/16 22:51
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Re: SR20VE vs F22C vs VQ35/7 best power TQ to engine weight
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Are they really lighter than the SR20DET? Both are alloy, but the VQ has more head bulk, more pistons, more crank, more manifolding, more block etc etc.

Posted on: 9/6 23:23
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Re: KB10
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That is yuk.

I find the current crop of cars mostly ugly. There seems to be an obsession with getting as many creases, folds and contours on the body as possible. They're a mess. And quality brands are doing it too. Some of the current Mercedes models look unresolved to me.

Posted on: 9/1 22:27
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Re: Contemplating bad thing; slapping an A15 together.
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"Flexihone". Brilliant for this type of application.

Posted on: 3/1 0:28
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Re: A12 Cross Flow Head
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You'll need to change the angles of the followers in the block too.

Posted on: 12/2 6:34
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Re: Datsun Killer Arrested LOL
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...or they want a man of their own race to be at the top...

Posted on: 2018/11/29 21:52
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