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Best twin carb linkage available?
pete wood - May 31st, 2005 at 03:59 PM

Who makes the best?
Why is it the best?
How much do they cost?

Having a naughty idea......;)

lugnuts - June 2nd, 2005 at 02:38 AM

Berg,CB performance or CSP one of those OR SO IVE HEARD :thumb

vw54 - June 2nd, 2005 at 09:01 AM

Pay the money for a Berg Linkage and you will NOT have any problems at all. most of the otehr flex all the time and cause linkages to get out of sink.

PAy the extra it will last you 4 ever.

there available from Vintage 9789-1777

pete wood - June 2nd, 2005 at 10:34 AM

what makes the berg linkages better? why don't they flex?

Brad - June 2nd, 2005 at 10:37 AM

funnily enough better material

vw54 - June 2nd, 2005 at 10:49 AM

its just the size of material and the way they make it.

MikeM - June 2nd, 2005 at 10:53 AM

What do the Berg ones cost?

I'd consider making your own. You can buy rose joints from most bearing supply places (trade places) and then you just need some stainless steel rod, threaded rod and fabricated fittings..... yeah ok not easy unless you have the right equipment and time :)

All depends what Berg (or other good quility) ones cost.

vw54 - June 2nd, 2005 at 01:10 PM

sorry dont no ring 02-9789-1777 to find out

Bizarre - June 2nd, 2005 at 01:12 PM

Berg is different from the pthers as it mounts to the fan shroud

The other methods mount between the carbs

I preferred the CB cast aluminium solid base over the Redline Weber pressed steel filter bases / hex bar support.

Both of the systems use a steel hex bar.

Whatever - never ever ever use the crap Empi / cheapo systems with the aluminium hex bar. The theaded ends strip, they are heat effected and they bend.

The Berg system does not have a hex bar.

http://www.glenn-ring.com/engine.html 

look here and you will see what i mean

As for the Hex bars just look at CB or AC net.

The Empi crap ones also have a short arm that will never ever ever give you the right opening range.

Doug Sweetman - June 2nd, 2005 at 01:21 PM

So whats the naughty idea ?

EJ25 with twin webbers ? :) hahahaha !

pete wood - June 2nd, 2005 at 04:22 PM

Yeah right, webers....:o

Like I want a toilet mechanisim controlling my fuel delivery, after all it's the same thing, float chambers....:puke

I am toying with ideas about multiple throttle bodies. But I don't want to screw with the factory ECU. Maybe I'll piggy back something instead.

Doug Sweetman - June 2nd, 2005 at 04:53 PM

Take the quad throttle setup from a SR20 DET (GTiR version) or 4AGZE 20 Valve and go from there - would be cheaper than buying weber pattern bodies (not that you have suggested that).

I dont know how you would go about getting a MAP vacuum signal with quads though, would that mean you would have to run aftermarket computer on throttle position sensor instead ?

pete wood - June 2nd, 2005 at 05:09 PM

thought about sr20 quads, but what dia are they, I was thinking a 2.5l would need something near 50mm to be much chop, what to you reckon?

Ratty63 been playing with the idea of a Map sensor on mutliple throttle bodies I think. Dunno what he came up with.

BTW, couldn't you just build and airbox and run a MAF on the inlet to the airbox before the Throttle bodies?

MikeM - June 2nd, 2005 at 05:14 PM

Multiple throttle bodies will make stuff all difference. In fact if you a going to use the stock MAF sensor they will make NO difference. All it will do is get the airflow into the engine out of sync.

Stop stuffing around and put a supercharger on it.

56astro - June 2nd, 2005 at 05:29 PM

Quote:
Originally posted by pete wood
BTW, couldn't you just build and airbox and run a MAF on the inlet to the airbox before the Throttle bodies?


Then wouldn't a single TB and properly designed plenum be a better solution?

pete wood - June 2nd, 2005 at 06:52 PM

Already got one of them, I'm just thinking about how to get more HP...OK, dreaming.

MikeM, love to have it Blown but I'm already on the limit for weight vs engine capacity. May be I should put of Wayne Penrose's Kombi "1700"s in it. :P