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#71 | |
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Join Date: Mar 2007
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On a side note, I suppose if money is no object and you can use a clutchless trans then you might as well hook an air shifter to it? I mean, autos in SS have an air shifter for their ONE shift. So, I suppose air/electric shifters will be legal also? ____________________ Andy Stone 1102 A/S 1112 SS/C |
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#72 |
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Join Date: Oct 2009
Location: spokane, wa
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as i mentioned in my intro post me and a friend are teaming up to build a 283 4 speed nova we are both new to super stock ive been racing et handicap pro for a few years got boring, so were looking to have some real fun i was pretty pumped until i read this thread if clutchless is allowed we wont be able to afford it.and we'd have to use an automatic and that would just plain blow. so keep the clutch assisted transmissions!!! even though i have never raced in s or ss i say clutchless is for comp and prostock!
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#73 |
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Join Date: Jan 2008
Posts: 121
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Are there any real stick cars in SS that really use the clutch. I mean all you Jerico guys dont use it.
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#74 | |
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Join Date: Sep 2009
Location: Stickville USA
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Sean Fischer ![]() |
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#75 | |
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Join Date: Nov 2009
Location: North West Ohio
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I Only Used My Clutch Off The Line On The Old CRASH Boxs Back In The Day Also!...Thats The Whole Reason To MODIFY The Gears.. Put This Into Perspective As Well....You Are Allowed To Have: A Mopar,Chevrolet,Pontiac Etc.. Engine And Ford Rear-End...This Never Came In These Cars Either..WTF.. SS |
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#76 |
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Join Date: Jul 2007
Location: Anthem, Arizona
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283 Nova,
Don't worry, a "clutch" racing 4/5-speed will still be competitive. There's more to be gained with the right clutch than the "right" trans. I'm going to a Sportsman dual 7" from a Sportsman 10", both adjustable for base pressure and counter weight. A little 283" in SS may prefer something similar but maybe a single 8" disk with a 142T flywheel. I'd also look at transmission gear ratios. Everybody will tell you to run a super deep 1st gear but I would tell you to pay more attention to 3rd gear and compromise somewhat on 1st gear. A little 283 doesn't make enough HP to pull a high ration 3rd gear into 4th gear. I've looked both ways, keeping my Jerico that I bought in 1997 and have not had one breakage issue, or converting the same trans to clutchless, assuming tomorrow the new rule is out allowing such modification. On the one hand, I hear about more breakage on a "clutchless" trans; at the very least more maintenance. But it will go faster just because the spread between the gears is less; less time zinging it between gear changes. A true clutchless trans will also allow for more finite tuning of the clutch by use of pressure settings and levers. I've looked at the issue both ways. My bottom line is, if NHRA does not allow the change, I won' care at all. But if they do, I'll probably spend the money for the conversion. Jerico wants $1500 or less, G-Force wants about half. G-Force tells me you need a pistol-grip shifter / linkage for some reason but Jerico says a pistol-grip is not needed. So if you look for a used unit (and maybe there will be some more on the market at discount prices?), keep all this in mind. My advice for a newbe would be to buy a clutch trans like a Jerico or G-Force now and convert it to clutchless at a later date when funds are better. It's not a necessity today. Regardless of the trans type, true clutchless or clutch assisted (without a clutch), the critical factor is the clutch. Too much pressure (base pressure, counter weight pressure or lever pressure) will destroy not only the consistency of the car but parts behind the flywheel. For those that shift with a clutch, it requires more pressure applied to the clutch. Nothing wrong with that but it does have an adverse affect on performance, consistency and breakage, in that order. PM me if you need more specific help. Good luck with your new toys!
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Jeff Lee 7494 D/S '70 AMX |
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#77 |
Junior Member
Join Date: Oct 2008
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Has anybody heard anything new? I want to place an order for a DR4, but am holding off for fear of this clutchless deal going through. - Tom
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#78 | |
Senior Member
Join Date: Jul 2007
Posts: 963
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![]() ![]() Stephen Johnson #2162 Horace Johnson #2167 SS/D NHRA-IHRA RecordHolder |
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#79 |
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Join Date: Apr 2009
Location: Nicholasville, KY
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I'm all for a clutchless trans in SS "hood scoop" classes. Several have mentioned the extra cost. Most SS stick racers carry a couple of spare transmissions to every event, and change them during the event. Do Jerico or G-Force even build a clutchless 4-speed?
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#80 |
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Join Date: Jul 2007
Location: Anthem, Arizona
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Yes, both offer clutchless trannies.
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Jeff Lee 7494 D/S '70 AMX |
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