How to prepare for engine dyno?

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j par said:
Yeah I went back to his post to check his location?
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Yeah... it might be worth the drive !

Does the supersucker work by increasing airflow or by helping with fuel atomization?
If it is airflow it would most likely help FI.

I ordered a knockoff supersucker for 30$. Lets see if it works...lol
15402360199751004575060.jpg
 
mbaird said:
Yeah... it might be worth the drive !

Does the supersucker work by increasing airflow or by helping with fuel atomization?
If it is airflow it would most likely help FI.

I ordered a knockoff supersucker for 30$. Lets see if it works...lol
View attachment 1715238665
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Looks like a knockoff. THat's nothing like a supersucker design. HVH supersuckers are reverse ball milled.
 
How does the ball milling enhance the flow ?

I can tell the HVH is tapered from bottom to top more than this knockoff.
 
We tried three different carb spacers made from two different materials on my 408 when we dyno'd it and made no appreciable difference. My engine guy had them lying around so we thought we'd give them a shot.
 
BrianT said:
We tried three different carb spacers made from two different materials on my 408 when we dyno'd it and made no appreciable difference. My engine guy had them lying around so we thought we'd give them a shot.
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Did he have a Super Sucker? My dyno guy keeps them in stock and said most people that show up without one leave with one after they try it on the dyno.
 
BrianT said:
We tried three different carb spacers made from two different materials on my 408 when we dyno'd it and made no appreciable difference. My engine guy had them lying around so we thought we'd give them a shot.
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are you saying they all worked the same or none improved power ?
 
mbaird said:
How does the ball milling enhance the flow ?

I can tell the HVH is tapered from bottom to top more than this knockoff.
Click to expand...

I'm not sure about the flow but it increases the plenum volume. It also helps, or at least can help with fuel distribution issues.
 
my plan is to blend the bottom to match the intake plenum thus tapering into it.
We will see...
Its easier just to buy the real one but fun to tinker.
 
mbaird said:
are you saying they all worked the same or none improved power ?
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None of them made any appreciable increase in power vs not running one at all. My AirGap intake is gasket matched and some light porting work was done to the heads. Carb is a 800 cfm Edelbrock Thunder series.

justinp61 said:
Did he have a Super Sucker? My dyno guy keeps them in stock and said most people that show up without one leave with one after they try it on the dyno.
Click to expand...

I plan on looking into these more. I never thought I'd say it the whole time I was building the engine, but while 500 hp is fun, I want more!
 
BrianT said:
None of them made any appreciable increase in power vs not running one at all. My AirGap intake is gasket matched and some light porting work was done to the heads. Carb is a 800 cfm Edelbrock Thunder series.
Click to expand...
Nice! That means the engine didn’t need any help. The intake has enough plenum


I plan on looking into these more. I never thought I'd say it the whole time I was building the engine, but while 500 hp is fun, I want more!
Click to expand...
Yup! Your hooked! Me to.
 
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