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648 Posts
Opel-ites,
While sitting around trying to think about how to spend money I don't really have...I started thinking about side drafts, and came up with a few questions. Several manifolds have appeared on e-bay resently. I know in the past it's been discussed by Rally Bob about the different flow rates for the different brands and lengths of dual manifolds. But I don't remember anyone really getting in depth about useing the single side draft, so here's my questions:
1) If running a single side draft, what size carb? I know most people run the 40's for the dual, but would you need the 45 for the single? (Modified engine)
2) Is the single SD that much of a let down from the dual setup?
3) is the single SD a significant boost over running the 38 down draft on a ported manifold? (to be worth the money spent)
I'm thinking single for a few reasons: no cutting or removing the heater required, less linkage, and less tuning. However, I have a great running 38 that has been tuned and I don't want to change it unless I get a noticeable jump in HP.
Ideas?
James
70 GT 2.0 11:1 Venolia and TGSI head
While sitting around trying to think about how to spend money I don't really have...I started thinking about side drafts, and came up with a few questions. Several manifolds have appeared on e-bay resently. I know in the past it's been discussed by Rally Bob about the different flow rates for the different brands and lengths of dual manifolds. But I don't remember anyone really getting in depth about useing the single side draft, so here's my questions:
1) If running a single side draft, what size carb? I know most people run the 40's for the dual, but would you need the 45 for the single? (Modified engine)
2) Is the single SD that much of a let down from the dual setup?
3) is the single SD a significant boost over running the 38 down draft on a ported manifold? (to be worth the money spent)
I'm thinking single for a few reasons: no cutting or removing the heater required, less linkage, and less tuning. However, I have a great running 38 that has been tuned and I don't want to change it unless I get a noticeable jump in HP.
Ideas?
James
70 GT 2.0 11:1 Venolia and TGSI head