188 replies to this topic

[rodomo]

, afaik the gm five speeds should bolt straight up??

And the VH version had electronic ignition.

Old thread with link to even older thread:
http://www.gmh-toran...e-yes-starfire/

Edited by rodomo, 15 August 2012 - 10:21 PM.

[orangeLJ]

its only 2/3 as good as a holden straight six though!

[rodomo]

- Pointless Dizzy supposedly in the VH & VK but no one has ever seen this that I can find to date.

Definately on VH as posted earlier. I have seen it. With my own eyes!
In fact, I even owned one!.............................hang on?...................................2

And with cutting down a VK manifold? There will be a bit of work involved, more like cutting and shutting as the port pairings are different.

[fenz]

Twin SU set up would most probably be an option if you didnt do injection.

[Dr Terry]

With the pointless dissy, have you considered using a V8 dissy and only every second lead?

You would end up with sparks flying everywhere. The spark from the vacant cap terminals will want to go to earth & will take the shortest route, usually across the coil tower. It won't last 5 minutes.

Dr Terry

[Dr Terry]

There was no pointless dissy ever fitted to a Starfire from the factory, even the NZ VK version.

The VH had what they called ESS (Electronic Spark Selection) which was a form of transistor assisted ignition, that also altered spark timing for anti-pollution purposes. But, it still relied on a set of contact points.

The simplest way of building a pointless set-up would be to get a Bosch Sigma dissy & fit its 4-cyl bits to a Blue motor 6 HEI case & shaft.

Dr Terry

[hanra]

What is the P/N on the stock dizzy fitted?

Megasquirt has been used successfully on A series BMC engines even with siamesed inlet ports.

[UCSLE]

What i find strange about starfires is the size carby holden put on them,especially when you compare its carby to the size of the carbys that where on 202,s and 253,s around the same time the starfire came out.Would a starfire go quicker with a smaller carb?

[rodomo]

There was no pointless dissy ever fitted to a Starfire from the factory, even the NZ VK version.

With all due respect Dr..........I think you might be wrong?

Edited by rodomo, 17 August 2012 - 09:32 PM.

[rodomo]

I'm happy to be proved wrong.
I did buy 2 of these, both low k's, 1 owner. (1 for a lady friend and the other for a daughter)
Both had Bosch electronic with the module hanging off the side of the dissy.
If they had of been both converted to Sigma dizzys it was a bit premature given the K's?
Maybe a locality build thing? Where were they built? Mine were both purchased in Melb.

[EunUCh]

Most of the starfires were usually given the flick for bigger engines.
The bottom end seems strong and they got fully grooved mains
The valves are same as blue motor and you probably wouldn't want
to go bigger.
The bores have enough meat to go to 3.625 which would help unshroud the valves.
Fit a cam with some decent lift etc and you need to use 6cyl yt valves to suit as they
are longer than the stock valves and allow a decent lift before coil bind.
Twin su's do help but they are not too happy with pulsing,webers are better.


Electronic ignition is easy,use valiant (chrysler)pick up and module and modify the points cam ,(ie) make it round
and make a brass sleeve to shrink over shaft,use the 4 cyl reluctor and use a small grub screw
to hold it in place(this also gives you the advantage of being able to phase the rotor button in relation to
post in dizzy.
Most people just bin em but after a few mods on one we played with I could hold the pedal to the floor
and got 90 kph in second and no bang.
Megasqirt and blower sounds like the way to go.
The borg warner 5 spd bolts straight up,just need to trim hole in tunnel and make new tailshaft,from memory the 5 spd
is around 40mm longer.