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anyone bored the edelbrock TBI manifold to 2"

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Old 04-01-2001 | 06:12 PM
  #1  
rsilver's Avatar
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From: Denver, colorado
anyone bored the edelbrock TBI manifold to 2"

I was going to bore the edelbrock TBI manifold from 1 11/16 to 2" but I talked to edelbrock and they said I would Hit the water jackets if I did. I actually want to bore it slightly under 2" (48mm) and wanted to know if anyone had done it.
I gotta run an egr and would prefer to go this route rather than a carb manifold and an adapter.
Anyone know if it can be done cause I wonder if edelbrock is trying to cover their a**.
Thanks....bob


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91 camaro RS L03 convert,
t-5, ultimate TBI mods,TBI spacer,SLP 1 5/8 headers,
3"cat back, 3.42 torsen posi,alston SFC's,Global West LCA relocation brackets, edelbrock STB
Old 04-01-2001 | 06:48 PM
  #2  
snflupigus's Avatar
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From: Tempe, AZ
Car: 92 RS, 02 Tacoma, 2 73 Porsche 914s
i think somebody here was going to but the walls are too thin. i bet they arent lying.
Old 04-01-2001 | 07:38 PM
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Pukka's Avatar
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From: Where the chicks absolutely LOVE the V-8 rumble!
Car: 92 RS - Fully Restored w/Custom Int
Engine: LO3 with some mods
Transmission: T-5
Axle/Gears: 3.42 Richmond
Can't be done...the inside of the throttle bore housing is hollow. the most you might be able to widen it is about 1/8"

------------------
92 Camaro RS LO3, 5-spd, T-tops
Performance:
SLP 1 3/4" Headers (Coated by Paul Barry Motorsports), Flowmaster Catback Exhaust, Fastchip Performance PROM, Centerforce Dual Friction Clutch, Xact 8mm wires, Open Air Element w/K&N Filter, Z28 Grille w/aftmkt fog lamps
Electronics:
Alpine 8030 Alarm System, Valentine One Radar Detector (How did I ever drive without one?), Pioneer DEH 7450 Head Unit w/6-pack CD changer, Pioneer DEQ 7600 Sound Processor, 2 Kenwood KAC-846 Amps powering 2 12" Pro Red subs, 2 Pioneer 6x9 and 2 MTX 4x6 speakers.
NEXT UP: TBI mods, Edelbrock performer intake
Old 04-01-2001 | 07:45 PM
  #4  
Tas's Avatar
Tas
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I have a cutaway pic of it. the walls are way too thin.

------------------
-Tas
'89 Formula WS-6
[soon to have Hooker 1-5/8" 50 state legal headers installed]

305, TBI, auto, 14x3 chrome flat based open element with K&N, Milodon 160* thermo, functional Formula hood, cross-flow Flowmaster, '99z28 rear pipes and tips....

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Old 04-02-2001 | 05:55 PM
  #5  
rsilver's Avatar
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From: Denver, colorado
Thank you very much guys. I am glad I didn't learn this one the hard way.I understand the old manifolds were 2"bores and they had a tube that went inside the bores that was 1 11/16th. Maybe I can find one of the old ones.
Thanks again on this.....bob




------------------
91 camaro RS L03 convert,
t-5, ultimate TBI mods,TBI spacer,SLP 1 5/8 headers,
3"cat back, 3.42 torsen posi,alston SFC's,Global West LCA relocation brackets, edelbrock STB
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