Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 Nice, I want to know the results of both of those pipes on your play port 4mil. What are the rest of your supporting mods? Quote
gusto Posted October 19, 2015 Report Posted October 19, 2015 Standard Redline 4 mil build minus his domes, and no billet clutch or fancy lockout. Quote
Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 carbs? reeds? intake(s)? timing? pro-mod? clutch? Quote
gusto Posted October 19, 2015 Report Posted October 19, 2015 Stock with oversized bowls, fuel economy is key for me VF3 but have just bought VF4 Stock +4 No, just shift star Tusk HD in stock basket Quote
Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 Word!! Fuel econ is huge for me too. I'd like to try out a set Driveline 4mil 66mm bore cylinders when I'm ready to build my motor. I'd get them play ported also to maximize area under the curve rather than shoot for a big number. I might also pick up a set of beat PC pipes to try out instead of the T5's and see what's what. If the PC's rev faster, maintain similar peak numbers and rev out as far as T5's or farther, then these T5's will be for sale... Quote
gusto Posted October 19, 2015 Report Posted October 19, 2015 Driveline 397 will be my next motor if I ever build another bike. I bought their bowls for my carbs and they should work out well for long stretches. They only thing I will update in the future is the clutch basket and maybe a quick change cover. Just need to find yfz450 brakes and cylinder now. My deals on them keep falling through. 1 Quote
gusto Posted October 19, 2015 Report Posted October 19, 2015 And PC pipes are a good pipe to build on. They are proven to make hp on bigger engines and produce good tq. 1 Quote
Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 Nice, that's exactly what I'm talkkng about right there!! FWIW, I believe all Raptor 700's share the same calipers with YFZ450's, so that'll broaden your search results. Check RMATV to verify part numbers, but I'm almost 99.99% positive that's the case. I'm pretty sure 09 YFZ450R or newer is the MC you want. Maybe compare part numbers of the later model Rapor 700's MC's too. Quote
sheerider11 Posted October 19, 2015 Report Posted October 19, 2015 Lowidenfast just switched from t5 to PC. Said it was what he needed from the start Quote
Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 And PC pipes are a good pipe to build on. They are proven to make hp on bigger engines and produce good tq. I'm super curious about your thoughts on the CPI's and Snipers on your 4mil stk cyl. Quote
gusto Posted October 19, 2015 Report Posted October 19, 2015 07 and up is the year the master cylinder changed. Lots of dyno results for PC pipes in the dyno section. 1 Quote
Strm Trpr Posted October 19, 2015 Author Report Posted October 19, 2015 Lowidenfast just switched from t5 to PC. Said it was what he needed from the startYeah, I read that and I'm looking forward to grabbin a set of PC's. I have some being held for me, now it's just a matter of funds. Quote
SandSlingerOR Posted October 20, 2015 Report Posted October 20, 2015 I just sold my cpi's & put on my pc's. I will be getting vf4's & keeping the stock carbs for now & selling my 28's. Going to try & set up a dyno day with cam & see what numbers I lost or gained with this change. I'll post the results when this goes down. 1 Quote
gusto Posted October 20, 2015 Report Posted October 20, 2015 Sandslinger, I thought/hoped going from PCs to CPIs would be an upgrade. Are you liking the PC better? Why did you change? Quote
Strm Trpr Posted October 20, 2015 Author Report Posted October 20, 2015 I just sold my cpi's & put on my pc's. I will be getting vf4's & keeping the stock carbs for now & selling my 28's. Going to try & set up a dyno day with cam & see what numbers I lost or gained with this change. I'll post the results when this goes down. I'm very excited to see these results!! Quote
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