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carburettor!

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carburettor!

Postby simon » Sun Jun 29, 2008 11:32 pm

guys. my mate is tryin to work out how to get powergains out of a carburettor, thought id lend him a hand and stay true to asn forum and see if any of you guys know much about them and how to get some good powergains out of em. He's looked around but still not happy with his options.


cheers
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Postby simon » Sun Jun 29, 2008 11:37 pm

btw, the engine is an old red 202 (straight 6, 3.3L) from a 76 HX kingswood
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Postby moggy » Mon Jun 30, 2008 12:50 am

Google it, there's a lot of stuff on various holden forums about carbys on holden 6's. It's a bit of a science. you have to balance what the engine can suck in against the CFM of the carb. Too small and you choke and too large not enough pressure. There are several calculators on the web that you feed the different parameters into and it works everything out for you. :wink:

8) Bob.
When I give an opinion you have to ask yourself...what the hell does he know about anything!


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P3 Dump|Fujitsubo Legalis R|Whiteline|Enkeis|HKS EVC|Dixcel|Blitz|Greddy|Pink Bits|Brembos|178.6 kw ATW|
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Postby BUDDAH » Mon Jun 30, 2008 8:46 am

moggy wrote:Google it, there's a lot of stuff on various holden forums about carbys on holden 6's. It's a bit of a science. you have to balance what the engine can suck in against the CFM of the carb. Too small and you choke and too large not enough pressure. There are several calculators on the web that you feed the different parameters into and it works everything out for you. :wink:

8) Bob.


OMG you must be as old as me :D triple Webbers and a meter of garden hose to balance them out they were the days

Buddah :wink:
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Postby moggy » Mon Jun 30, 2008 10:00 am

Ahhh...triple Webbers, that was when petrol was about 18c a litre... :lol:

8) Bob.
When I give an opinion you have to ask yourself...what the hell does he know about anything!


I started out with nothing....and I've still got most of it left.....

MY07 Liberty GT spec B 6MT Sedan;
P3 Dump|Fujitsubo Legalis R|Whiteline|Enkeis|HKS EVC|Dixcel|Blitz|Greddy|Pink Bits|Brembos|178.6 kw ATW|
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Postby ultrablue » Mon Jun 30, 2008 4:11 pm

350 holley
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Postby ChrisGT » Tue Jul 01, 2008 9:51 pm

Triple SUs for the traditionalists :lol:

Dashboard Cam for the poverty stricken :cry:

A mate of mine used to tune his triples with a stethoscope listening to airflow, then went all modern and used a vacuum gauge!

Generally with carbs get a high flowing type air filter and increase the jet size, get a fuel pressure regulator and clean the fuel filter, advance the timing (distributor). If the carb's done a lot of miles, get it rebuilt, a carb gets a bit cranky when it starts sucking air in from places other than the air inlet/venturi.
MY05 OBP LGT-Premium
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Postby simon » Tue Jul 08, 2008 10:08 pm

cheers guys
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Postby My08Liberty » Wed Jul 09, 2008 8:48 am

Go the Triple SU's

30/70 Cam

Yellow Terra Head, Ported and Polished

Ballance Crank Shaft

High rise Pistons

Lighten Flywheel 10lbs

The power, the memories, the speeding ticket's:lol:
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Postby Spec B Wgn » Wed Jul 09, 2008 9:31 am

its all about jetting and getting the mixtures right.

twin 45 webers on the RS2000 were a challenge to tune
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Postby gt_dicko » Wed Jul 09, 2008 11:59 am

If it's power gains he's after, he needs one of These
MY04 GT 5AT - SOLD
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