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TPI Unit off 305 for 350

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Old Jan 26, 2001 | 11:10 AM
  #1  
zerogauge's Avatar
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Joined: Dec 2000
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From: Marion IN
TPI Unit off 305 for 350

I might get the tpi setup off my friends 305 out of his trans am. I know I need the harness and ecm along with the tpi unit.

I switch the 19# injectors for 22# and what else needs done to give the 350 enough fuel?

Also, whats a good price to pay. I figure I can offer him $150-200 for it and walk away with it. Is that good, bad? so-so?
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Old Jan 26, 2001 | 12:46 PM
  #2  
ws6transam's Avatar
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Joined: Jul 1999
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From: Haslett, MI
Car: 1984 Trans Am WS6
Engine: Minirammed 385, 396 RWHP
Transmission: T56
Axle/Gears: 3.73 Moser 12-bolt
A complete TPI including harness and computer typically sells for about $500 to $600. Other than the injector change, you will also need a different computer chip to adjust programming. The chip you choose will depend on how far you stray from the original L98 spec on heads, compression, exhaust, and cam. If you stay with a somewhat mild cam profile, you can get away with a L98 TPI profile. Otherwise, you'll want an aftermarket chip like one from Fastchips by Ed.


------------------
Daniel Burk
http://www.isthq.com/~dan/fcar.html
'84 Trans Am WS6/L69
KB SFC, Moser axles, Torsen Diff. PST suspension, Braided stainless brake lines, Koni struts, 11-inch rear disks,Spohn Adj. torque arm,
Ported 305 heads w/1.94"intake valves, Comp Cams XE262H, Griffen alum. radiator,
Turbine Technologies 2500 stall converter, underdrive pulleys, Crane Hi-6 & more.
1.05g skidpad verified.
New best E/T! 14.039 at 100.82 MPH in 41 degree air at Stanton, Michigan.
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