Recipe's for low 12 second TPI motor?
10-13-2001, 10:01 PM
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Recipe's for low 12 second TPI motor?
What are some good engine combinations for a low 12 second TPI motor? I read in Super Chevy magazine that they built a 355 TPI motor with Corvette aluminum heads with 2.00 and 1.55 valves and ZZ-9 cam, with beefed up transmission and torque converter with 3.42 gears and some suspension upgrades the car ran a 12.36@ 108 mph. Do you feel this is an accurate time for this motor? I am looking to run low twelves on all motor and low elevens with nitrous. Which combinations of heads and cam work well together to produce a low 12 second car. I am looking at building either to 355 or 383 with AFR 190 heads, what is a good cam to use with these heads? please post your engine combinations that are in the low 12’s all motor!
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Founder of the Greater Cincinnati F-Body Association
Greater Cincinnati F-Body Association
1988 Yellow Trans Am GTA
Click here for photos
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Founder of the Greater Cincinnati F-Body Association
Greater Cincinnati F-Body Association
1988 Yellow Trans Am GTA
Click here for photos
10-13-2001, 10:18 PM
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Car: 1987 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
<font face="Verdana, Arial" size="2">Originally posted by BrianB:
please post your engine combinations that are in the low 12’s all motor!</font>
please post your engine combinations that are in the low 12’s all motor!</font>
Might I suggest posting this on the TPI Board as this board is strictly for power adders.
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Willie
Supercharged 1987 305 IROC-Z, Daily-Driver, Emissions-Legal.
Former Paxton (6-psig) with 50-hp nitrous: 12.043 @ 112.86 mph.
ATI D1SC (10-psig): 12.056 @ 116.62 mph.
All stats are altitude corrected for 3,100 feet using NHRA's Altitude Correction Table.
http://willie.camaro-firebird.org/
1987 "20th Anniversary Commemorative Edition" Z28 Convertible -- Super Chevy Show Class Winner, 1998.
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