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Thread: SBC 350 with 454 TBI Upgrade
Started 3 months, 1 week ago by dave w
I upgraded to a 454 TBI upgrade several months ago. I thought I'd share the pictures of the upgrade. I have a 93 GMC pickup. I decided to use a 93 454 TBI with Police 350 injectors (17084327). The 93 454 TBI uses the same new style TPS like my old 350 TBI. The adapter plate is available from http://tbiparts.com/contact.html . I bored the TBI intake, and had a "Go Fast" machine shop radius ...
Site: CK5 Forums  CK5 Forums - site profile
Forum: The Injection Section  The Injection Section - forum profile
Total authors: 6 authors
Total thread posts: 20 posts
Thread activity: no new posts during last week
Domain info for: coloradok5.com

Other posts in this thread:

dave w replied 3 months, 1 week ago
SBC 350 with 454 TBI Upgrade I upgraded to a 454 TBI upgrade several months ago. I thought I'd share the pictures of the upgrade. I have a 93 GMC pickup. I decided to use a 93 454 TBI with Police 350 injectors (17084327). The 93 454 TBI uses the same new style TPS like my old 350 TBI. The adapter plate is available from http://...
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kauzenkaos replied 2 months, 3 weeks ago
Quote: Originally Posted by dave w I upgraded to a 454 TBI upgrade several months ago. I thought I'd share the pictures of the upgrade. I have a 93 GMC pickup. I decided to use a 93 454 TBI with Police 350 injectors (17084327). The 93 454 TBI uses the same new style TPS like my old 350 TBI. The adapter plate is available from ...
Size: 1,478 bytes
Customize:  Customize "<b>Reply 2</b>: SBC 350 with 454 TBI Upgrade :: The Injection Section :: CK5 Forums"

dave w replied 2 months, 3 weeks ago
The generally accepted flow of a 350 TBI is 535 CFM. The generally accepted flow of a 454 TBI is 670 CFM. The low cost option to get your current injectors to flow more is to up the fuel pressure. Adjustable fuel pressure regulators are one option to get more fuel pressure. http://www.summitracing.com/parts/JET-61500 dave w
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NEWENGLANDK5 replied 1 month, 2 weeks ago
hate to jack this thread... Dave, did they ever make a Throttle body for the 454 with provisions to hook a TV cable to them? If so do you know where I could get one? I would also need a bracket for the throttle/tv cables. I am running a 454. thanks for any help!
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dave w replied 1 month, 2 weeks ago
454's usually have turbo 400's, so to the best of my knowledge the 454 TBI never had a TV cable option. Several 454 TBI's have cruise control, which might work for TV Cable? I think if I were to have a TV Cable on a 454 TBI, I would call on the services of RV Morse Machine http://www.rvmorsemachine.com/ I think changing the 454 throttle shaft to a 4.3 / 5.0 /5.7 throttle shaft with the TV...
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4X4HIGH replied 1 month, 2 weeks ago
Quote: Originally Posted by dave w 454's usually have turbo 400's, so to the best of my knowledge the 454 TBI never had a TV cable option. Several 454 TBI's have cruise control, which might work for TV Cable? I think if I were to have a TV Cable on a 454 TBI, I would call on the services of RV Morse Machine http://www....
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NEWENGLANDK5 replied 1 month, 2 weeks ago
sweet! you guys rock! I have my stock 350 tbi for donor parts!
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1leg replied 1 month, 2 weeks ago
Is your 350 moded, with cam, headers or reprogrammed chip? I have a completly stock 89 v2500. Would doing this mod help me to make more power. I'm totaly new to the TBI world. I have been reading alot and want to improve performance for towing without tearing into the motor. My motor seem to be in great shape but needs most of the externals rebuilt or replaced. If i have to buy a new or ...
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dave w replied 1 month, 2 weeks ago
Quote: Originally Posted by 4X4HIGH Because of the design of the throttle shaft between SBC and a 454 you CANNOT swap the shafts. It is very easy though to just grind off the weld/swedge that holds the throttle arm and then do the same to a SBC and then swap them and have someone carefully TIG weld the SBC arm onto the 454 shaft. This ...
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dave w replied 1 month, 2 weeks ago
Quote: Originally Posted by 1leg Is your 350 moded, with cam, headers or reprogrammed chip? I have a completly stock 89 v2500. Would doing this mod help me to make more power. I'm totaly new to the TBI world. I have been reading alot and want to improve performance for towing without tearing into the motor. My motor seem to be in ...
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4X4HIGH replied 1 month, 2 weeks ago
Quote: Originally Posted by 1leg Is your 350 moded, with cam, headers or reprogrammed chip? I have a completly stock 89 v2500. Would doing this mod help me to make more power. I'm totaly new to the TBI world. I have been reading alot and want to improve performance for towing without tearing into the motor. My motor seem to be in...
Size: 1,203 bytes
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Top contributing authors

Name
Posts
dave w
10
user's latest post:
SBC 350 with 454 TBI Upgrade -...
Published (2009-11-07 21:03:00)
Quote: Originally Posted by 62 fat guy Cool! What do I need, just an upgraded prom? Isn't the VATS in the Prom also? Larry's Electric http://www.larryselectricsite.com/prom.html has a PROM that should work, or close enough to begin with at any rate. dave w
62 fat guy
4
user's latest post:
SBC 350 with 454 TBI Upgrade -...
Published (2009-11-07 17:53:00)
Quote: Originally Posted by dave w I think replacing the TBI with Port Fuel Injection is the best option. The Edelbrock system is my personal choice, because Edelbrock designed the system to replace TBI while re-using the original wiring harness, computer, sensors and modified Throttle Body. The Edelbrock system would work better with a 383! dave I have one of those Edeelbrock units.. I havent installed it yet how do you like it?
NEWENGLANDK5
2
user's latest post:
SBC 350 with 454 TBI Upgrade
Published (2009-11-07 11:56:00)
sweet! you guys rock! I have my stock 350 tbi for donor parts!
4X4HIGH
2
user's latest post:
SBC 350 with 454 TBI Upgrade
Published (2009-11-07 11:54:00)
Quote: Originally Posted by dave w 454's usually have turbo 400's, so to the best of my knowledge the 454 TBI never had a TV cable option. Several 454 TBI's have cruise control, which might work for TV Cable? I think if I were to have a TV Cable on a 454 TBI, I would call on the services of RV Morse Machine http://www.rvmorsemachine.com/ I think changing the 454 throttle shaft to a 4.3 / 5.0 /5.7 throttle shaft with the TV...
1leg
1
user's latest post:
SBC 350 with 454 TBI Upgrade
Published (2009-11-07 12:03:00)
Is your 350 moded, with cam, headers or reprogrammed chip? I have a completly stock 89 v2500. Would doing this mod help me to make more power. I'm totaly new to the TBI world. I have been reading alot and want to improve performance for towing without tearing into the motor. My motor seem to be in great shape but needs most of the externals rebuilt or replaced. If i have to buy a new or rebuilt TBI I was thinking why not a 454 unit....
kauzenkaos
1
user's latest post:
SBC 350 with 454 TBI Upgrade
Published (2009-09-30 19:31:00)
Quote: Originally Posted by dave w I upgraded to a 454 TBI upgrade several months ago. I thought I'd share the pictures of the upgrade. I have a 93 GMC pickup. I decided to use a 93 454 TBI with Police 350 injectors (17084327). The 93 454 TBI uses the same new style TPS like my old 350 TBI. The adapter plate is available from http://tbiparts.com/contact.html . I bored the TBI intake, and had a &quot;Go Fast&quot; machine shop...

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