 Ported heads and intake gaskets ?, FI J tubes too? |
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| Brotherbob |
 Oct 7 2005, 05:01 PM
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Lazy Hack  Group: Members Posts: 152 Joined: 6-September 05 From: Granbury TX Member No.: 4,756  |
I have some fairly heavly ported heads I plan on using.
The intake gasket covers up a great deal of the port work so my guess is you shave those gaskets to fit ? And has anyone ported the stock FI j tubes a bit ? Its a 1700 72 914. (IMG:http://www.914world.com/bbs2/html/emoticons/screwy.gif) |
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| Bleyseng |
Oct 8 2005, 07:06 PM
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Aircooled Baby! Group: Members Posts: 13,036 Joined: 27-December 02 From: Seattle, Washington (for now) Member No.: 24 Region Association: Pacific Northwest |
You need to figure out what the cam is or just change it to a a good cam, anything but stock.
Ray Greewood runs a 1.7 with the popup pistons, 42x36 valves, and a better cam. Results are about 95hp!This is with Djet FI. The cam is the key, along with proper valve sizing, compression ratio, deck, etc to get anywhere witha type 4 motor. Yes, the exhaust needs improving but a longer duration exhaust valve timing really helps along with a bigger than stock valve (33mm) |
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Posts in this topic
Brotherbob Ported heads and intake gaskets ? Oct 7 2005, 05:01 PM
SirAndy http://www.914world.com/bbs2/h... Oct 7 2005, 05:48 PM Brotherbob Ok so I shave the gaskets and the forged end of th... Oct 7 2005, 07:40 PM 9146986 Opening up the cast end of the intake plenums isn... Oct 7 2005, 08:06 PM sean_v8_914 I have some pop up 1.7 pistons http... Oct 7 2005, 09:01 PM Brando Ideally you'd want new intake runners that are... Oct 7 2005, 09:11 PM Bleyseng Do the ported heads have bigger than stock valves?... Oct 8 2005, 07:34 AM Brotherbob Now you guys have got me thinking carbs!! ... Oct 8 2005, 04:58 PM davep Jake has been saying that the intakes pretty well ... Oct 8 2005, 05:29 PM
bd1308 Oct 8 2005, 08:47 PM |
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