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Carburetors and Carb Tuning.. All info about old school carb set ups.. |
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#1 |
KTEC
Join Date: Jan 2009
Posts: 642
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webber or holley
im in the process of pulling my turbo motor and putting my NA "race" motor in. im also switching to carb. but i cant decide between a holley or webber style carb.
im looking for some pros and cons here on both. i will not be doing the tuning, so thats not a deciding factor. also the cost between the both will be about the same after modding the holley for drag racing vs. basically stock race ready webbers. this is for a quartermile drag car.
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what I have: 1985 Gs:12a All motor Drag car - 1973 Rx2: Play car What I had: 93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2 |
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#2 |
KTEC
Join Date: Jan 2009
Posts: 642
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also, if my NA set-up dosnt get the 1/4 mile time im looking to achieve. nitrous will be added to get me there. if this aides in the carb choice...
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what I have: 1985 Gs:12a All motor Drag car - 1973 Rx2: Play car What I had: 93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2 |
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#3 |
RCC Contributor
Join Date: Feb 2008
Location: Grand Rapids, Michigan
Posts: 530
Rep Power: 18 ![]() |
Have you considered a Sterling carb? Great performance, and it uses the stock intake manifold so there's a substantial cost reduction. Going cost is around 400.00
He should be able to put together a monster carb for you for drag racing. Check out his site when you get a minute, lots of information there. www.sterlingmetalworks.com .
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"Learn from the past, or it will become your future...." '85 GS 12a + LSD/Sterling carb/Respeed coilovers/Respeed front swaybar/Respeed adj. rear spring perches/Illuminas/Bilsteins on rear AutoX vids @ http://www.youtube.com/user/Kentetsu1 |
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#4 | |
Custom User Title
Join Date: Feb 2008
Location: Seattle, WA / Pullman, WA
Posts: 350
Rep Power: 18 ![]() |
It doesn't use his stock intake. He'd have to get an RB Holley manifold and adapt the Sterling to that. It's probably also not nearly big enough for him depending on his porting.
For drag racing, either should work. Holleys are progressive, which might be helpful for launches? (Not a drag racing guy, so I don't really know.) They also have a big aftermarket. Webers are simpler and easier to tune IMO, but you say that's not an issue for you. I do see a lot more Webers/Bergs on high-powered NA rotaries than Holleys, but that could just be because they're peripheral-ported.
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Quote:
Last edited by PercentSevenC; 09-11-2009 at 02:17 PM. |
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#5 |
KTEC
Join Date: Jan 2009
Posts: 642
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i think im going to go with the holley since i already have a JW performance holley style manifold. and with all the available aftermarket parts, i think it will be just fine.
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what I have: 1985 Gs:12a All motor Drag car - 1973 Rx2: Play car What I had: 93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2 |
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#6 |
Self Proclamed Genius
Join Date: Jun 2010
Location: Houston
Posts: 21
Rep Power: 0 ![]() |
I have my holley 650 on my RX2 bridgeport TII engine and with a good tune im telling you youll love it.
Make sure to port your intake manifold.
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BRAP BRAP BRAP BRAP... ![]() Last edited by SLIDN2; 06-14-2010 at 05:13 PM. |
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#7 |
KTEC
Join Date: Jan 2009
Posts: 642
Rep Power: 0 ![]() |
since i made this thread, i picked up a 51 ida weber prepped by Racing Beat. thats pretty much best of the best...
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what I have: 1985 Gs:12a All motor Drag car - 1973 Rx2: Play car What I had: 93 Touring: TRADED - 91 Coupe: TRADED - 90 GTU: RHD - 88 10AE: SOLD - 87 Base: SOLD - 86 Base: SOLD - 1985 GSLSE - 85 Gsl: SOLD - 80 Gs: TRADED - 1972 Rx2 |
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#8 |
Rotary Fanatic
Join Date: Jul 2009
Location: queens ny
Posts: 117
Rep Power: 17 ![]() |
racing beat preps weber for turbo??????
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#9 |
Rotary Fanatic
Join Date: Mar 2008
Location: chatsworth, california
Posts: 349
Rep Power: 18 ![]() |
no, only one place does that
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