Going faster... - Steve Saunders Goldwing Forums

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post #1 of 9 (permalink) Old 04-14-2005, 09:27 AM Thread Starter
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Location: Cleethorpes, , United Kingdom
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As you may have guessed from my nick - I want a bit more oomph from my old bus (I have a 50bhp nitous kit installed at the moment).

I have been told that the Valkyrie cams are a bit hotter than the Wing's. I know they rev 1000rpm higher but I'd guess that the ignition box wouldn't be interchangeable...

Anyone know about getting some decent performance out of 1.5 litres?

Give it some gas..!
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post #2 of 9 (permalink) Old 04-14-2005, 01:30 PM
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Hey Nitrowing Your welcome to the forum. Some of the "Gurus" might be able to help you.

post #3 of 9 (permalink) Old 04-14-2005, 04:04 PM
The Irish Crew
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If it's a GL1500 then the only thing I know of is the Trigger Wheel.

Alan Fitzpatrick.
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post #4 of 9 (permalink) Old 04-20-2005, 03:33 AM
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I know a guy with a 1989 GL1500 who also has a totalled Valkyrie/F6C. He was toying with the idea of switching the 6 carbs from the F6 onto the Wing but ran into difficulties. It would have been a good idea, I must check and see if he got any further. We were also wondering if the hotter cams or the whole heads from the F6 could be switched over to the 1500.

Ted Kelly.
Current Wings; 2006 GL1800 & 1997 GL1500se.
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post #5 of 9 (permalink) Old 04-20-2005, 03:46 AM Thread Starter
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I was looking at those same modifications due to the f6c having more power...

I don't see any benefit in doing a complete head swap. I did initially as I thought the f6c had bigger bore exhausts. On closer inspection, where the ehaust joins the head, it appears to be the same size as the wing (28mm I think)but expands purely for show to look like it has big fat headers...

So, I am looking into cams myself now, plus trying to find someone to make a bit of pipework up to let me fit a pair of loooong titanium end-cans I have lying around

Give it some gas..!
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post #6 of 9 (permalink) Old 04-21-2005, 03:30 PM
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It all depends how deep your pockets are .There are heads,cams,x tractor exhausts

from the states.you could probably get the headsflow ported over here

Glenn/uk Germany,Poland,Holland,Slovakia,Croatia,Slovenia,A ustria,USA,Hungary,Ireland, chec rep,Estonia,Latvia,Lithuania,Romania on a 1988/1500 115.000 miles and rising/new 1800 start again,Italy,Switzerland,Belgium,France,Nurburgring ,Bosnia ,Montenegro ,Luxembourg ,
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post #7 of 9 (permalink) Old 03-12-2011, 08:27 AM
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HAS anyone anywhere gone and installed a bigger bore for the GL1500?
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post #8 of 9 (permalink) Old 03-12-2011, 09:56 AM
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Since you're already a gas user, you probably already know that a higher compression ratio is where the real power is going to be found. Raising the red-line onthe same compression ratio changes where the power is available and applied. We're not talking about de-tuned small-blocks and cam swaps, so I won't even listen to nay-sayers...

If you're looking to spend some money to get this done, my suggestion is to raise the compression ratio by whatever means avaialbe, then concentrate on red-line. Me and my approach is to go for red-line and use whatever C/R the engine will support and settle for the power available. I've been happy with that formula.

Finding max redline at any given C/R for your engine is gonna determine where max power can be found and utilized.

All other "power" tricks are enhancementsupon the combustion chambers efficiency for the C/R it has.


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post #9 of 9 (permalink) Old 03-12-2011, 10:46 AM
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Supercharger? -


1992 1500 Aspencade - 213,178 showing on the clock

- just another Rider
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"anyone can go fast on a straightaway" - Dusty Boots

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