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454 in an 88K5 Blazer

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Old Feb 3, 2010 | 11:56 AM
  #1  
SanitysBane's Avatar
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454 in an 88K5 Blazer

Hey mods if this isn't in the right area feel free to move it.

I just bought this 88K5 Blazer that has a 350 with a spun rod bearing and I have a built 454 that I am planning on putting in this thing. So here is the question, what all is required to put the TBI on the 454? Also who is a good chip burner?

Engine is as follows:
454 bored .030 over
10.2:1 compression
GM Iron Oval Port heads casting # 336781 with slightly larger valves and pocket porting
1.8:1 Harland Sharp Roller Rockers
Crane Cam, grind H-286-2 (Link-
http://cranecams.com/?show=browsePar...tType=camshaft )
Edelbrock RPM Arigap intake


Thanks guys!
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Old Feb 3, 2010 | 04:49 PM
  #2  
Ronny's Avatar
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From: wisconsin
Re: 454 in an 88K5 Blazer

TPI fuel pump is a good idea
GM 7.4 L TBI unit with 80 lbs injectors or small injectors at higher FP
Aftermarket FPR
Correct knock sensor
Correct ignition module ?not sure?
carb intake with 7.4L plate or aftermarket manifold(? do they make a 7.4L TBI?) or GM 7.4L manifold. Airgap maybe not so good choice
First choice is a DIY tune it will run better with your efforts
Second choice is tbichips.com Brian Harris
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Old Feb 3, 2010 | 09:12 PM
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dctrumpet's Avatar
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Engine: 350 TBI W/all Ultimate TBI Mods
Transmission: 700R4 Stage 4
Axle/Gears: 9 Bolt 3.27
Re: 454 in an 88K5 Blazer

Brian Harris for sure. 1-336-471-2827

Tell him Sean from tbiparts.com sent you. He will take great care of you.

Good luck with the build. Need anything please give me a call or PM me thanks!

Sean
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