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12-30-2016
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#1 |
 Join Date: Nov 2013
Location: Wilkes-Barre, PA
Posts: 148
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63mm Throttle body
Where do you send the Throttle bodys to have them done up to 63mm?
Thanks 
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1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60' |
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12-30-2016
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#2 | |
 
Join Date: Dec 2003
Location: Arcadia,OK
Posts: 3,391
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Re: 63mm Throttle body
Quote:
Marc Haibeck Greg VanDeventer
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Jerry Downey JERRYS LT5 GASKETS & PARTS http://www.jerrysgaskets.com 1994 ZR-1, Black/Black, Lingenfelter Aerobody, 416cu in, 3.91 gears, coil-over susp, Brembo brakes, etc. 2016 Black-Red, 3LT-Z51 Auto 8-speed. |
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12-30-2016
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#3 |
 Join Date: Aug 2006
Location: McLean, VA
Posts: 3,717
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Re: 63mm Throttle body
Mine was done by Marc. Superb workmanship!
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12-30-2016
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#4 |
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Join Date: Nov 2013
Location: Wilkes-Barre, PA
Posts: 148
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Re: 63mm Throttle body
I saw on Marc's site about fine tuning not for the over size?
Thanks |
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12-30-2016
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#5 |
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Join Date: Aug 2006
Location: McLean, VA
Posts: 3,717
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Re: 63mm Throttle body
It was bored out to 63mm. His throttle plates are matched closely to the bore negating any need for the magical GM DAG.
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01-03-2017
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#6 |
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Join Date: Nov 2013
Location: Wilkes-Barre, PA
Posts: 148
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Re: 63mm Throttle body
Is this something needed on a stock cube, ported motor? Trying to search for answers to some of this stuff and can't find anything. Think I've read 1000's of pages on the site!
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1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60' |
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01-03-2017
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#7 | |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,698
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Re: 63mm Throttle body
Quote:
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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01-03-2017
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#8 |
Join Date: Mar 2007
Location: Crystal Lake, IL
Posts: 7,194
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Re: 63mm Throttle body
I did my own, had a shop bore out the TB and had throttle blades made by Kinsler....no issues
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LGAFF 90 #966-150K miles-sold 92 #234-sold 1987 Callaway TT #17 1991 ZR-1 #1359 |
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01-03-2017
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#9 |
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Join Date: Aug 2006
Location: McLean, VA
Posts: 3,717
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Re: 63mm Throttle body
According to Marc, even bored, stroked to 378 with head porting and top end porting, may pick up 5 hp at high rev.
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01-03-2017
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#10 |
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Join Date: Nov 2013
Location: Wilkes-Barre, PA
Posts: 148
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Re: 63mm Throttle body
Hmmm, I guess I'll wait till then...
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1994 ZR-1 #198, sold [img]https://live.staticflickr.com/65535/48400173802_2a6f122cfb_n.jpg[/IMG] [COLOR=RoyalBlue]96 GrandSport#857[/COLOR],[COLOR=Red]Red Gut[/COLOR] 397 LT4, AFR heads,3:90 gears, DRM longtubes, Sepanek 700R4, Yank 3600, bla-bla... Best ET w/396 & 6-speed 11.02 @126.57 w/1.60 60' Best ET w/396 & 700r4 10.82 @124.87 w/1.48 60' 2003 DarkShadowGray Ford Lightning 460rwhp/550rwtq 12.11 @112.18 w/1.71 60' |
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