 995jim
"7th Year" Silver Supporting Member
Posts: 950
Loc: Ohio
Reg: 12-17-06
|
10-06-24 04:13 PM - Post#2874464
hi, looking for help from people with blown motors. Im currently pulling my trans modulator vacuum from a port at the bottom of the carb on my blown engine. The only other option I see is an 1/8" tapped port on the back of the blower intake which im sending to the 6btm unit. Do i leave it where its at or is it better on the downstream side of the blower at the 1/8" tapped port
thanks jim
Jim 
65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ |
|
|
 Rick_L
Member #409
Posts: 28124
Loc: Katy, Tx, USA
Reg: 07-06-00
|
10-06-24 05:58 PM - Post#2874467
In response to 995jim
You need “manifold vacuum”. Connecting at the base of the carb should accomplish that. Put a vacuum gauge on the port to be sure.
|
Shepherd
Valued Contributor
Posts: 3606
Loc: Lake George, NY
Reg: 11-11-15
|
10-06-24 05:59 PM - Post#2874468
In response to 995jim
The operating range of normal modulator is 0 to manifold vacuum, find a source in that range. Some performance modulators are adjustable to fine tune transmission shifts to the engine's performance characteristics.
|
|
Gain extra benefits by becoming a Supporting Member 
