<VV> For the Engine Builders
RoboMan91324 at aol.com
RoboMan91324 at aol.com
Sun Mar 8 15:47:30 EDT 2009
Hank,
I am behind in reading the VV posts so I don't know if your questions have
been answered but here goes.
The 1964 110 heads will fit on your jugs but you will most definitely not
get 110 performance. Those heads were designed to work with the longer stroke
164 engines introduced in 1964.
I would not use the 102 HP heads. That engine develops its power at high
RPM which is OK in one of the cars but the weight and poor aerodynamics of the
FCs need an engine that develops torque at the low end. The 102 was offered
in the FCs only in one year for a very short time but very few sold for
obvious reasons. The code was VD and nobody wants VD, right? :-)
I have a VD engine but I will be changing it to a 110 or maybe a 95 so that
I will have a "correct" case but a useable engine. You may want to consider
this. You will need to carve out some of the aluminum on the case halves to
clear the swing of the crankshaft. You will also need 164 HP jugs because
they have notches at the bottom for crankshaft clearance as well.
You will be able to use your 1964 heads with 1964 jugs but not with later
jugs unless you bore the heads out. The 1965 and later jugs have a bigger
outside diameter for better head gasket sealing. This is recommended. I believe
you will need to change the camshaft, as well as the distributor or at least
the internal components to get the full 110 performance. You may want to
work with later carbs as well. There were improvements over the years. Grant
can comment on this extensively.
The benefit of your FC engine is that it has the proper oil fill rig and an
FC code. Original 164 CI FC engines are very rare so if you want 110
performance, try to find a 1964/65 FC engine and pay through the nose, modify a 145
CI engine into a 164 CI engine or pop a 164 CI car engine in there. You can
suffer through with car oil filler setup or modify the engine by boring out th
e case for the FC oil filler.
Doc
1960 Corvette; 1961 Rampside; 1962 Rampside; 1964 Spyder Coupe, 1965
Greenbrier; 1966 Canadian Corsa Turbo Coupe; 1967 Nova SS; 1968 Camaro Ragtop
~~~~~~~~~~~~~~~~~~~~
In a message dated 3/6/2009 4:23:30 P.M. Pacific Daylight Time,
virtualvairs-request at corvair.org writes:
Message: 1
Date: Fri, 6 Mar 2009 12:05:47 -0500
From: <kaczmarek at charter.net>
Subject: <VV> For the Engine Builders
To: Virtualvairs at corvair.org
Cc: Corvairman60 at hotmail.com
Message-ID: <20090306120547.DK5E2.985051.root at mp06>
Content-Type: text/plain; charset=utf-8
Need assistance from those with a lot of engine building experience.
I bought a 61 FC motor last fall for my 62 rampy. It has 80HP heads on it
presently. Paired with a PG that doesn't provide the horsepower i'd like it
to have.
So I bought a set of 64 110 HP heads from Bryan Blackwell to boost up the
power.
The heads were in pretty good shape, but there's a couple of loose guides,
and you can tell from the bluing on the parts that the engine (one that Bryan
was stripping down) had been run hot, and more than once. So I'm going to go
through and replace all the parts.
But before I do that, Here's the quandary I find myself in.
Since the 64 engine had a longer stroke than the 61-63, Will I get
equivalent 110 HP from these heads using the shorter stroke 61 engine? Would
machining down the Head Gasket surfaces some provide more CC's to increase the power
to where I want it to be?
Would I be better off with 102 HP heads?
Will be using 61 carbs with Manual choke, I'll probably jet them a bit
bigger.
Any input from those with experience would be great, and if someone could
cross post this to fastvair I'd appreciate it.
Best Regards
HANK
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