Turbobike Web Site www.Turborick.com
Johnny,
The juice is working,....but the motor's not breathing,.....115 RWHP
for a 1216 cc with headwork is dismal,......I get that on legal
'Legend' cars ( same motor with a big driveshaft and rearend, no
porting allowed) Sounds like the cylinder head is stock.
Jeff Churchill
J.C. Performance 617-06 Bicycle Path Port Jefferson Station NY
11776 USA
tech: 516-928-6679 or 516-928-9863
website: http://www.jcperformance.com/
*********************************************************
On Thu, 15 Apr 1999 16:06:22 -0400 Jon Jarosz <jjarosz@camhydro.com>
writes:
>I know this is strictly a turbo list, but I can't get any help on my
>other
>list because no one else is using nitrous, so I'm sorry if it doesn't
>
>apply. Here's the history of the bike:
>
>Year 1:
>Stock 1988 Yamaha FJ1200, 1188cc's
>K&N filters
>Dynojet stage III kit (I can't remember needle & jet sizes, but it was
>what
>the kit recommended)
>Accel coils
>Vance & Hines Supersport Kit, Quitech II baffle
>Factory ignition advancer
>Bike dyno'd 113 horsepower to the rear wheel, 13, 000 km's on motor,
>approx
>18 degrees Celsius outside
>
>Year 2:
>Same as above, but with nitrous kit, phase II jets bike dyno's 150
>horsepower exactly to the rear wheel, approx 30,000 km's on the bike,
>
>similar dyno conditions, different dyno - ignition advancer removed
>permanently
>
>Year 3:
>My darkest hour. Bent valves, scorched pistons, burnt seals, blown
>clutch
>at dyno shootout (103 to the rear wheel, 148 with the NOS, phase III
>jets =
>approx 50 horse rating), twisted swingarm, chain lets go drag racing
>big
> mess etc
>
>Year 4:
>Changes:
>"streetfighter" polish & port
>degreed cams/slotted sprockets
>stainless valves, complete head rebuild - new seats, seals, guides,
>etc
>bike bored to 1219cc's, new Wiseco's
>Dyna coils & Taylor leads
>Supertrapp Stealth stainless exhaust (I know I know but it was the
>only
>complete stainless system for the bike) 14 plates - dyno'd to remove
>flat
>spot with V&H pipe - 6 hp gain across midrange
>phase IV nitrous jets - on paper, 68 bhp gain
>heavy-duty billet clutch, new chain & sprockets, clutch spring
>conversion,
>etc
>115 to the rear without the juice, 154 with, 80 pounds torque no
>sauce, 100
>pounds with
>
>I have stock carbs, and they're synched yearly. New plugs gapped
>correctly, etc. The bike runs like a dream. 43,000 km's on the bike,
>4500
>km's on rebuilt top end.
>
>Is this motor maxed-out for what I've done to it? Why is it staying
>at
>around the 150 mark?
>This fall I'm going to either turbo or blower it, but I'm pissed off
>with
>these results for this year.
>
>Thanks for the help.
>
>Jonny Nitrous
>
>
>
>