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Discussion Starter #1
Put a TPI 305 from a z-28 into a toy instead of a standard TBI 350???? I can p/u a whole '87 z28 w/ the 305 HO for $400 or just buy a 350 TBI for $500. Think about it...the TPI has like 310 horse vs TBI 350 has like....250'ish????? I understand the 305 has more top-end vs the 350 but the extra zip would be worth it....wouldn't it????


FYI....

building '82 toy SB
V8/th-350
dana 60's.....:D
 

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Do it! Will have plenty of power for a light little Toy. I was thinking about the very same thing myself, as the 305's can be had for a song. Plus, real easy to go bigger later if you want. But the 305 TPI is only like 200 horses or so, I don't remember the exact number, but plenty of low end torque. Definitely not a revver, however, the TPI setup runs out of breath much above 5500 rpm. Should work fine and dandy, the TPI is a good setup for low end.
 

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Discussion Starter #3
Anybody know the hp/tq specs of the above motors listed?? or a link??:D :D
 

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Discussion Starter #5 (Edited)
Good info on that 2nd link, but 190 hp seems low....I was guessing 300 hp but my cousin has a 87-88 TA w/ the same motor and that thing hauls ass compared to any 350 tbi.....IMHO

1st link too.....I just checked it out.....edit
 

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its all that torque that makes it feel faster, that and it's not Toilet Bowl Injection.
 

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I put an 88 305 TPI into an 84 4runner. Really had to shoehorn it in there. It had plenty of balls. Felt like more than 215 hp though. I have no idea how to post pictures but I have some.
 

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For "F" Body GM's

1985-1989 TPI 305 are 190hp 240 ftlbs @ 3200 rpms
1990-1993 there were 2 versions of the TPI 305 140hp & 170hp

1986-1989 TPI 350 are 230hp 300 ftlbs @ 3200 rpms
1990-1993 TPI 350 are 240hp 345 ftlbs @ 3200

For Corvette TPI 350:

1985 TPI 205hp 290 ftlbs @ 2800
1986-1988 TPI 230hp 330 ftlbs @ 3200
1989-1991 TPI 245hp 340 ftlbs @ 3200

GM Trucks with TBI

1987-1992 TBI 305 170HP 270 ftlbs @ 2400
1987-1992 TBI 350 210hp 300 ftlbs @ 2800
 

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Discussion Starter #10
Heavy Metal Toy said:
cause I'm nice:

'87 Z28 came with 3 different 305's:

Trans: Engine code: Comp: HP: TQ:
A4 LB9 V8 9.3:1 [email protected] [email protected]
M5 LB9 V8 9.3:1 [email protected] [email protected]
A4 LB9 V8 9.3:1 [email protected] [email protected]
Not sure which tranny code is for the 700R4 but I would assume the A4 would be it.....295 ft lbs of torque would be sweet in a 3K rig.....painless wiring kit is only $20 more.....vs "toilet bowl" 350.... excellent info on all that have answered and appreciated.

Kernel.....sent those pics to anyone that has a red star like me and I will post a few for ya....I'd like to take a look anyways....email addy.........

I won't be able to post them till friday so be patient, Dave:D
 
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