Search found 9 matches

by Bidsy
Sun Jun 16, 2019 4:01 pm
Forum: Lambretta Tech
Topic: Rapido Race 225 exhaust and gearing recommendations
Replies: 2
Views: 59

Rapido Race 225 exhaust and gearing recommendations

Hi, Just starting to build my Rapido Race 225 and looking for exhaust and gearing recommendations. I have a couple of exhaust options open to me, I have either a JL3 road or a NK road Rally and either LI150, SX200 or Indian GP200 gearboxes, 46 crown various size front sprockets and will be running a...
by Bidsy
Sat Apr 27, 2019 8:13 pm
Forum: Lambretta Tech
Topic: Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please
Replies: 10
Views: 1048

Re: Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please

Hi Davidsquaredson, To be honest I found the Sx200 gearbox a bit tall 1st 2nd and 3rd fine and could get upto 50-55mph in 3rd no bother but put it in 4th and power would stagnate it may creep up to 60 but very slowly.
by Bidsy
Tue Apr 23, 2019 6:57 pm
Forum: Lambretta Tech
Topic: Would reducing squish require change in jetting
Replies: 3
Views: 346

Re: Would reducing squish require change in jetting

Done 650 miles so far and runs great up 3/4 throttle but no more power after that. Thought it was gearbox to tall so changed to an li150 16x46 made a little difference but not much. Then realised I should of not fitted a head gasket with a 58 / 107 crank, this was after I had it dyno’d, so hoping th...
by Bidsy
Tue Apr 23, 2019 6:03 pm
Forum: Lambretta Tech
Topic: Would reducing squish require change in jetting
Replies: 3
Views: 346

Would reducing squish require change in jetting

Had my Granturismo GT200 set up on dyno and jetted but found it could not make top end power. So checked the squish to find it 1.8mm which I now know is too much and needs to be between 1.2mm to 1.5mm so planning on removing the head gasket. the question is if I remove a 0.5mm head gasket to get the...
by Bidsy
Mon Feb 11, 2019 10:42 am
Forum: Lambretta Tech
Topic: Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please
Replies: 10
Views: 1048

Re: Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please

Thanks Garry, better order so more jets then. Cheers
by Bidsy
Sun Feb 10, 2019 11:12 pm
Forum: Lambretta Tech
Topic: gear help: GT 200 on Jet200
Replies: 13
Views: 1184

Re: gear help: GT 200 on Jet200

Burnside wrote:
Tue Feb 20, 2018 12:33 pm
I run a Li150 box 17/46 (4.6) on my GT200 with BGM clubman and 30mm Delly, pulls that gearing comfortably. Ignition is static set at 17 degress, on mine.

What gearbox and crown wheel are you currently using?
What jetting do you have with this set up?
by Bidsy
Sun Feb 10, 2019 3:14 pm
Forum: Lambretta Tech
Topic: Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please
Replies: 10
Views: 1048

Gran Turismo GT200 Big block - PHBH 30 Jetting Advice Please

Hi
Just built a Gran Turismo GT200 Big block engine and after some jetting recommendation please.
My set up is 30mm PHBH, BGM V4 clubman, 18/47 SX200 gearing.

Anybody with a similar setup?
by Bidsy
Wed Mar 28, 2018 8:16 pm
Forum: Welcome
Topic: Hi All
Replies: 3
Views: 896

Hi All

Just like to say hi to every one and look forward in learning more about my new love in my life my 1962 Eibar LI150 with a newly built Rapido 225 race (Don't tell the missus) . Also got a GP Ratta on the go as well so will be looking for advice on her as well. Cheers