K Engine Performance Parts

[Pauly35]

Ok so iv read enough to know what little things you can do to improve performance in any k engine all being really similar but where can I get my hands on parts ? Like headers, extractors, cams.... And the rest ?

Where can you look for the performance parts available ? Or where can I go to see what exactly there is to offer ?

 

[altezzaclub]

Just Google it-

 

There are about six cam cutting companies, deal with them directly. I used Crow. I think I have a list in the build thread in my signature.

 

There's one extractor manufacturer, they come from any exhaust shop.

 

Carbs you will have to chase yourself. Second-hand for most, the SUs and downdraught Weber, but if you're rich you can by new DCOE Webers.

 

The inlet manifolds are a bottle-neck, there are no new SU manifolds being made. I don't know if there are Weber DCOEs still coming out of some factory, ( that is more likely) but most people use the stock manifold and the 32/36 Weber with an adapter plate.

 

Any engineering shop will lighten the flywheel and the crank if you want that done too. Certainly get it all balanced when you have it apart.

 

There are still new electronic distributors on the market, but usually through specialist parts people rather than retail.

Edited January 10, 2013 by altezzaclub

[Pauly35]

Just Google it-

 

There are about six cam cutting companies, deal with them directly. I used Crow. I think I have a list in the build thread in my signature.

 

There's one extractor manufacturer, they come from any exhaust shop.

 

Carbs you will have to chase yourself. Second-hand for most, the SUs and downdraught Weber, but if you're rich you can by new DCOE Webers.

 

The inlet manifolds are a bottle-neck, there are no new SU manifolds being made. I don't know if there are Weber DCOEs still coming out of some factory, ( that is more likely) but most people use the stock manifold and the 32/36 Weber with an adapter plate.

 

Any engineering shop will lighten the flywheel and the crank if you want that done too. Certainly get it all balanced when you have it apart.

 

There are still new electronic distributors on the market, but usually through specialist parts people rather than retail.

 

 

Well iv get a 7k with a 40 DOCE Sidedraft weber, electronic dizzy, heavy duty starter, and alternator, leads and plugs.

I'm going to get it tuned again because it running sh*tty right now, and I wanted to do some head work first, new clutch and just wondering about any other parts I can get...

 

Thank you for that ill have a look, and I certainty will get it balanced if I end up pulling it down

[altezzaclub]

Ah- So you are halfway there!

 

I don't know if the 4K extractors bolt straight on, I ahven't handled a 7K. They probably do although you're motor may be slightly longer and wider, and an exhaust shop should know. If you have the bucks, run it 2" all the way through.

 

If you're going to pull the motor out for the clutch and head work, then that is the time for a cam. Check that the 4K grinds they cut will suit the longer stroke of the 7K, certanly its no use chasing a cam that revs its head off. Maybe go for maximum lift & fast opening rather than long duration

 

With the motor out and the head off you can clean out the water jackets, unless its been on anti-freeze all its life. That is also the time to get the flywheel lightened. The problem with balancing is that they need the pistons, crank and clutch setup all together, so if you want to balance it you have to drop the pistons out. Maybe its time for a hone and new rings anyway.

 

I don't know what the 7K porting is like, all you can easily do is make sure the ports match the Weber inlet manifold and skim 15thou off for a bit more compression. Its the same as the cam, there is no use chasing massive air flow in a 7K if the long stroke stops it revving.

 

Basically I did the same mild mods in here-

http://www.rollaclub.com/board/topic/42407-the-girls-ke70/

[Jonty111]

Well iv get a 7k with a 40 DOCE Sidedraft weber, electronic dizzy, heavy duty starter, and alternator, leads and plugs.

I'm going to get it tuned again because it running sh*tty right now, and I wanted to do some head work first, new clutch and just wondering about any other parts I can get...

 

Thank you for that ill have a look, and I certainty will get it balanced if I end up pulling it down

 

Hey mate where did you get your leads from?. Am running a 7k with 1 dcoe in a townace van with every mod under the sun other than leads lol. what size you got and where you get em from???? I'm desperate ! especially for one long enough to reach my coil.

[altezzaclub]

Am running a 7k with 1 dcoe in a townace van with every mod under the sun

 

What revs will it happily run up to Jonty??

 

Did you get the bottom end balanced?

[snot35]

Are 7K equipped with hydraulic lifters? That will dictate cam choice to some degree.

[Taz_Rx]

Are 7K equipped with hydraulic lifters? That will dictate cam choice to some degree.

 

yes they are.

 

You can buy bosch super sport plug lead sets from super cheap. Or pretty sure bursons also do top gun sets.

[coln72]

Whats wrong with the standard leads??? Had nothing but trouble with aftermarket leads on my 5K. IMO find a decent engine shop and talk to the man that does the building, not the muppet behind the counter. Tell them what you want to use it for and give them as much info as possible.