58mm overbored TB

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jotcrx
G1 n00b
Posts: 63
Joined: September 14th, 2012, 8:36 pm
Location: Summerville, SC

58mm overbored TB

Postby jotcrx » January 19th, 2013, 4:16 pm

Not sure of the vendor, but purchased from e-bay and very good quality overbore. OEM is 55mm and the overbored one is 58mm. Also installed custom made aluminum 1" spacer and custom made aluminum throttle cable bracket.

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1987 Integra RS-R
1.6L DA1 w/4 spd Auto
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est1988
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Re: 58mm overbored TB

Postby est1988 » January 19th, 2013, 10:13 pm

whats the advantage of the spacer?

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MinkelR
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Location: Bellingham, WA

Re: 58mm overbored TB

Postby MinkelR » January 19th, 2013, 10:52 pm

Larger intake plenum volume.
1987 Acura Integra LS (Rest in Pieces)
1989 Acura Integra LS Daily Driver
1992 Mazda 323 (Sold)

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Topic Author
jotcrx
G1 n00b
Posts: 63
Joined: September 14th, 2012, 8:36 pm
Location: Summerville, SC

Re: 58mm overbored TB

Postby jotcrx » January 20th, 2013, 4:10 am

MinkelR wrote:Larger intake plenum volume.



Exactly....I used to have the info about this and the amount it increased it by, but when the site when down, a lot of good info was lost. I will see if I can find it and add it to this post one day :)
1987 Integra RS-R
1.6L DA1 w/4 spd Auto
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Eec4tuner
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Re: 58mm overbored TB

Postby Eec4tuner » January 22nd, 2013, 6:48 am

Is it true? LS b18a/b throttle bodies fit our years?


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