TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

Sportsman 2 head?

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Old Oct 24, 2001 | 12:01 AM
  #1  
Ezey Go's Avatar
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Joined: Feb 2001
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From: BEALE AFB CA US
Sportsman 2 head?

Has anyone tried these heads?Will they work with our 305 TBI engines?Thanks for any info.
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Old Oct 30, 2001 | 12:05 AM
  #2  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Won't work,Int. valves won't clear the block.
Besides there are better heads out there.
1.94 are the largest Int. valves that will fit.

------------------
Chronologically challenged. But still kicking!
'92 CAMARO RS
305 TBI 5/spd (now TPI)
B4C Alt.
Cam change:TRW 198/210 ,450/.460 114 LSA
Stock TBI manifolds
'85 IROC Ex.
14.94-92.00 mph
SPDC base and "350" Vortec coming soon!
'69 camaro-BB/Lenco,1050 dominators, /Pump Gas/no drugs 8.97-150+/3200lbs.
SoCal Thirdgen F-Bodies
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Old Oct 30, 2001 | 09:36 AM
  #3  
Brian Felts's Avatar
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Joined: Jul 1999
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From: Chillicothe Ohio
Car: 89 RS 355/ 89 IROC Convert
Engine: Hot Cam 355/TPI 305
Transmission: All 700r4's
Well No Don is right the valves will not fit. However CHP did a test on head flow under .500 lift nd the Vortec heads flow better and have the right size valves...you just need to mill them down.


Brian

------------------
1989 Camaro RS

305 .030 over Hydro Pistons
Vortech heads milled to 58cc...Performer RPM intake....LT4 cam..Crane Gold rockers...FastChip custom chip...ALum. Driveshaft...3.73 gears with Posi...underdrive pullys...Rebuilt 700R4 with Vette Servo and B&M shift Kit...MSD ignition...A/C Delete No SMOG junk....1997 SS leather interior...B&M Shifter... Ultimate TBI mods...14X3 K&N open Element Non-Drop...Hooker headers....3" exhaust with Flowmaster Cross flow 16X8 Wheels from 97 RS Spohn LCA's Spohn Panhard Bar..LETS PLAY FORD!!

www.geocities.com/feltsb
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