G'day Lin
I just don't want you to have false expectations. These engines are over 30
years old, and if you're going to rebuild them properly there's quite a bit of
work that needs to be done, and that costs money.
You can get a "budget" rebuild for $2000 but it will not be a "nicely set up
engine".
Things that are often not done, but which contribute to a good rebuild,
include:
a) chemically cleaning the block and head to remove all rust and scale from
the water jackets, and sludge from the oil galleries;
b) deck both block and head to ensure they are both perfectly flat (they often
aren't);
c) statically balance con-rods and pistons;
d) dynamically balance crankshaft, flywheel and clutch.
Doing these things adds approx $350 - $400 to the cost, but you get an engine
that runs smoothly and doesn't over-heat in traffic. But the cost, plus the
labour to assemble, doesn't leave much out of the $2000 for must do items like
new pistons, re-boring, grinding carnakshaft etc.
And it leaves no money at all to re-profile the camshaft, modify the cylinder
head.
Get some ball-park figures in advance from reputable engine builders, then
save up for the best rebuild you can afford. You don't want to be
dissatisfied with the result, or (worse) have to do it over again.
avagoodday
Colin
www.SpriteParts.com.au
----- Original Message -----
From: Linda Grunthaner
To: Colin Dodds
Cc: spridgets@autox.team.net
Sent: Saturday, May 01, 2010 2:49 AM
Subject: Re: [Spridgets] rebuilding 1275cc engines
Thanks Colin, I would like to spend about 2K on a nicely setup 1275
eventually for one of my cars but that won't be for another year at least.
Till then my kids are enjoying learning about the parts on my disassembled 948
displayed in my class : )
Lin
On Fri, Apr 30, 2010 at 12:44 AM, Colin Dodds <colin@spriteparts.com.au>
wrote:
That's not an engine you're looking at Lin, it's a Mini "power unit" -
includes rebuild gearbox plus clutch.
At $4835.00 it's cheap.
A rebuilt 1275cc Sprite/Midget engine should cost you $2500 and upwards,
depending on how much power you want out of it. Under $2000 and it's
probably
being rebuilt "on the cheap".
avagoodday
Colin
www.SpriteParts.com.au
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