Porting, Polishing, and some cosmetics. No 56k - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-18-2005, 02:34 AM   #21
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I'm not doing that EXACTLY. I'm simply countersinking the screws, and matching the flat profile on one side to the other.
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Old 06-18-2005, 02:54 AM   #22
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Why not make a fuel rail similar to ICed L67'*? They're easy... Get a blank one, and drill 3 holes for each one. I know you got access to those tools too
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Old 06-18-2005, 03:49 AM   #23
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It'* not that simple, Jason. Ours are at compound angles, and our rail isn't as easily modified. Jwikoff and I have been struggling with this for some time, and Chris has been helping lately, too.

We have options, but none as easy or cheap as the Series 2 guys, with the exception of one option that John is looking into for a hybrid rail possibility from another car. I'm a fabricator from way back, and I've dealt with similar probles on cars before, as well as at work. I'm smart enough to know the injectors have to be firmly held in place. That'* where half the problem arises.
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Old 06-18-2005, 06:03 AM   #24
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It does take tools but it can be done..

http://www.hardforum.com/showthread....ight=fuel+rail

Although the process is more complex then given, it'* completely do able if you got the time...

What are your thoughts on modifying the stock one?
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Old 06-18-2005, 11:40 AM   #25
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Quote:
Originally Posted by macho_mike21
Quote:
Originally Posted by 95naSTA
Bill, i'm not sure if i said it right.
I drew a quick paint pic of what i ment.
This is looking from the pivot point of the TB plate at WOT.
The blade is yellow, the shaft is grey, and the arrows show the direction of the air.

Wouldn't this shape have the least amount of turbulance?
reverse it and you will have the least amount of turbulence.
Not according to a wind tunnel....
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Old 06-18-2005, 12:02 PM   #26
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Quote:
Originally Posted by BonneMeMN
It does take tools but it can be done..

http://www.hardforum.com/showthread....ight=fuel+rail

Although the process is more complex then given, it'* completely do able if you got the time...

What are your thoughts on modifying the stock one?
In order to do that, you have to modify the LIM to clamp them. You also have to figure out what to do with the FPR. Ours is kindof unique in that it'* integral to the rail. The goal here is to come up with something that 90% of the Series 1 guys can do. I'm not going to end up with something custom that only a couple of us can do, and have everyone else sit here and watch.

One possibility is the L27 rail. Creating a hybrid between the L27 and L67 rails. Believe it or not, there'* some hope there. That'* what John Wikoff is looking into. I think it would be easier to make adapters to go between the 'hats' of the stock rail and the stock injectors. At least if you have a lathe available.
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Old 06-18-2005, 08:58 PM   #27
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Quote:
Originally Posted by 95naSTA
Quote:
Originally Posted by macho_mike21
Quote:
Originally Posted by 95naSTA
Bill, i'm not sure if i said it right.
I drew a quick paint pic of what i ment.
This is looking from the pivot point of the TB plate at WOT.
The blade is yellow, the shaft is grey, and the arrows show the direction of the air.

Wouldn't this shape have the least amount of turbulance?
reverse it and you will have the least amount of turbulence.
Not according to a wind tunnel....
oops, i was thinking of wind resistance
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Old 06-18-2005, 11:35 PM   #28
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Good that you cleaned up those ports. You will make some more power but mainly should be smoother in the power delivery since the air wont be going notes since you removed the casting flash. Looks good! Now shatter you differential! Join the club.
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Old 06-18-2005, 11:52 PM   #29
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I already did!

Actually, I think the greatest benefit to me will be getting rid of high-rpm KR. And allow me to stick with a 2.2" pulley maybe, after I do the hybrid conversion to the blower.
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Old 06-19-2005, 03:00 AM   #30
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Did a little investigation today. The coolant ports to the TB can most definatly be plugged and keep flow to the back head.

Anyone know what the gasket is called to the end plate on the intake end of the LIM?
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