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Old 08-19-2010, 12:27 PM
NOlowrider's Avatar
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Blower hose/tube routing

Hello guys
after a full day getting this motor in the mounts (story for another day) I am ready to start hooking the vacuum/boost lines up. I have a fitting on the back of the manifold with I plan to "T" off with one side going to the BTM and the other to the boost gauge. Easy enough I guess. But, where do I hook my boost referenced carbs to? Does the carbs need to connected to the intake or can I just attach the anywhere under the carbs. Little confused on this. Also looking for pro's and con's regarding locked out timing or the traditional timing advance.
Sorry for not usuing the search feature as I am posting thisvia my I-phone.

BBC 454
6-71

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Old 08-19-2010, 07:56 PM
8-71 blown 461 Rat on E85
 
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Quote:
Originally Posted by NOlowrider
Hello guys
after a full day getting this motor in the mounts (story for another day) I am ready to start hooking the vacuum/boost lines up. I have a fitting on the back of the manifold with I plan to "T" off with one side going to the BTM and the other to the boost gauge. Easy enough I guess. But, where do I hook my boost referenced carbs to? Does the carbs need to connected to the intake or can I just attach the anywhere under the carbs. Little confused on this. Also looking for pro's and con's regarding locked out timing or the traditional timing advance.
Sorry for not usuing the search feature as I am posting thisvia my I-phone.

BBC 454
6-71
The power valves in your boost referanced carbs need to be sourced from the manifold below the blower...not atop.
I do not run locked out timing in my street deal.461 bbc/8-71.
I just give it a ton of initial..limit the total and pull degrees out under boost with a 2 bar map sensor.
my timing specs will be useless to you with a different combo..but I am at 24*initial and another 10* for a total of 34*.I use the boost retard to pull out 6* at 8 lbs of boost on 93 pump swill.
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