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Re: 200 cylinder to small block conversion?
Posted: Wed Mar 18, 2015 6:17 am
by DigDug
Cost?
Re: 200 cylinder to small block conversion?
Posted: Wed Mar 18, 2015 11:40 am
by Chris Tindal
The quote is around £100
Re: 200 cylinder to small block conversion?
Posted: Wed Mar 18, 2015 11:44 am
by DigDug
Ty..
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 5:08 am
by Lamaddict
100 seems quite a lot it's quick job. Turn the spigot down and drilling 3 holes 14mm and the one near the manifold 13mm.
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 9:32 am
by Chris Tindal
Lamaddict wrote:100 seems quite a lot it's quick job. Turn the spigot down and drilling 3 holes 14mm and the one near the manifold 13mm.
Yes, but I don't have access to a lathe or engineering skills.
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 3:06 pm
by shocky
Chris Tindal wrote:Lamaddict wrote:100 seems quite a lot it's quick job. Turn the spigot down and drilling 3 holes 14mm and the one near the manifold 13mm.
Yes, but I don't have access to a lathe or engineering skills.
Have you tried harry barlow from proporting ?
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 3:11 pm
by shocky
100 quid goes along way to having your existing cases welded up to take a
Proper 200 cylinder with all the rebore options that that can offer plus a choice of kits
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 9:47 pm
by tarmac tickler
i have done loads of these for mates/paying customers, when u first asked if anyone can do them, i thought 15 quid to post it to me, 15 quid to post it back and 20 quid to do it, and i thought naaa he wont pay that, then again i,m a plasterer who pisses about with s**t for fun, i aint got to scratch a living out of lambretta land.
martin is a top bloke though at chisel,
Re: 200 cylinder to small block conversion?
Posted: Fri Mar 20, 2015 10:39 pm
by Chris Tindal
shocky wrote:100 quid goes along way to having your existing cases welded up to take a
Proper 200 cylinder with all the rebore options that that can offer plus a choice of kits
I agree, but I've already built the engine and can't face stripping it again.

Re: 200 cylinder to small block conversion?
Posted: Sat Mar 21, 2015 12:42 am
by Grumpy225
Lamaddict wrote:100 seems quite a lot it's quick job. Turn the spigot down and drilling 3 holes 14mm and the one near the manifold 13mm.
I've never done this conversion before. So would you use a 200 head and do the same drilling?
Seems to me like all the support is being taken out by over drilling the holes.