Jerry Wyss
Well-Known Member
- Joined
- May 3, 2004
- Messages
- 3,139
You're going to run that prop? :lol:
You're going to run that pipe? :lol:
:lol: :lol: :lol: :lol: :lol: :lol: :lol:
Try a 40 x53 /2 to start with and go up from there
Bryan ran the SPP on his 7M last weekend at 225 to start of rear cone and it looked promising. Early days yet.
The Top21-7M,,, this engine has a crowned or domed piston with a dish (was quite a surprise), since many in AustraliaLooks good Jerry,
what model Nova is it,
cheers Luca
well I have a small colony of reduced 640's,, the TT lower with any 21 mounted like them props.Nice looking build Jerry.... I came up with 39.4 mm c/line of header to header end on mine..... first generation SPP that I got from TunnelBill...... on a WC SS, now, though..... He gained my exact air cooled version you have and made a serious contender outta it.....
I had, and why, it seemed better charging to the pipe with the bigger belly pipes, read old school Irwin stamped...... the SPP NR 21 I have, works well, but, has to have the HEAT.
I circle around the 442, cut, and cupped up..... and the 640 way reduced, and the work continues......
Hang onto it man, because when mine hit, I almost sought more boat....... Minnesota conversion?...... J dub internals?...... good luck Mike
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