and HOT STREET FORUM!

Weber help? Wednesday, 31-May-2000 01:53:58 209.156.221.206 writes: I am building a blow threw turbo for my 1776 motor. Since I can't afford an EFI system, I am going to use a single 40mm weber for my project. How do I turn my weber into a blow threw turbo carb. Can I buy one already done? It seems like all the people who deal with turbo systems now (CB Performance, Turbo City) only sell EFI kits. They act like you can't do it with a carb. In the Turbomania book it shows how to drill the carb and put o-rings around the shaft to seal it up. Please anybody help me out. Matt

Message thread:

Weber help? (Matt) (31-May-2000 01:53:58)

Re: blow-through (Jyrki) (31-May-2000 03:13:54)

Single Weber?? you probably want to go draw-thru. Contact Kawell....he advertises in HotVW, he can fix you up with a side draft 40 weber DCOE. (n/t) (Derrick from NC) (31-May-2000 07:16:37)

DCOE's can be found on Ebay... (n/t) (Randy) (31-May-2000 11:08:03)

Don't blow it, suck it (Tracy G) (31-May-2000 13:03:45)

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Re: blow-through

Wednesday, 31-May-2000 03:13:54

193.94.194.185 writes:

I suggest draw-through configuration with a Weber DCOE 40 or Dellorto DHLA 40, not blow-through.

Draw-through is simple, cheap and a lot easier to tune!

 

Jyrki

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Don't blow it, suck it Wednesday, 31-May-2000 13:03:45 24.129.104.152 writes: Matt, you can ask 5 people and get 20 different opinions on this, but the draw-through system is probably the best way for you to go from a simplicity standpoint. A lot of different carbs can be used for this but side draft 2 barrel (DCOE style) is really the easiest to adapt. Be sure that whoever you get the turbo from sells you one with a carbon seal on the compressor side to stop oil from leaking into your intake under vacuum. Carburetors are made to meter fuel into air under atmospheric pressure, and if you pressurize the air going in (increase density) as with blow-through system, you have to trick the carb into increasing fuel delivery in proportion to inlet air pressure. This requires extra complication and is always a compromise. Good luck with your motor. Tracy G

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