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<blockquote data-quote="cheeft" data-source="post: 1553154" data-attributes="member: 11067"><p>Cheeft,</p><p></p><p></p><p>I suspect you have too much air, too little v/e and too little breathing time.</p><p></p><p>WIth 4 thorttle, tHe power band is now shifter on the upper end.</p><p></p><p>You have to rev higher to unleash that power.</p><p></p><p>But when you rev higher, your cams is out of breath (not able to breath fast enough) because air pressure is constant but air intake time has decresed.</p><p></p><p>You might want to drecrese throttle dia. size or stuff in wider cams.</p><p></p><p>And at later stage you may need a little more fueling but I think you don't need upgrade fuel pump. The regulator and SAFC will do the job quite well</p></blockquote><p></p><p></p><p>Joeker</p><p></p><p>i m plannin to get higher cams for my car... but dunno wat degree suits my car... n i think is very hard to find smaller itb... besides tat may i know wats the benefit of longer/shorter trumpet???</p><p>[/QUOTE]</p>
[QUOTE="cheeft, post: 1553154, member: 11067"] Cheeft, I suspect you have too much air, too little v/e and too little breathing time. WIth 4 thorttle, tHe power band is now shifter on the upper end. You have to rev higher to unleash that power. But when you rev higher, your cams is out of breath (not able to breath fast enough) because air pressure is constant but air intake time has decresed. You might want to drecrese throttle dia. size or stuff in wider cams. And at later stage you may need a little more fueling but I think you don't need upgrade fuel pump. The regulator and SAFC will do the job quite well[/quote] Joeker i m plannin to get higher cams for my car... but dunno wat degree suits my car... n i think is very hard to find smaller itb... besides tat may i know wats the benefit of longer/shorter trumpet??? [/QUOTE]
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