Re: Some "Dime Rockets" for the 4TH!
75 262 uses a 1.09 venturi 2g. 76 uses 1.18 venturi carb. 267 uses the big 1.218 venturi dual jet. 1.18 2g flows about 320 cfm, big dual jet about 300 but it is more difficult to make work.
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That one sent me scrambling back to the guide to check it out! While I was there, if you can, enlighten me on the 96 Dakota with the 153 4 cyl. Is that based on the 242? If it is then that puppy at 115 HP could be a kickass W combo. |
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The 153 may be the 60 degree V6.
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Engine guide says it's a 4 with same bore size as the 242.
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world of difference in the 150 (2.5l) in a dakota (ohc) and a pushrod 150 in a jeep... the dakota is based on the 2.2 omni with a taller deck height the 150 jeep is a sawed off 232 kinda... |
Re: Some "Dime Rockets" for the 4TH!
PT Cruiser with the turbo rated at 180hp which is the same engine as the GT at 220hp except for computer parameters, I'm told.
Same package as the no. qualifier at Indy last year. JimR |
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Kevin - Yes I do remember. That was one of the tidbits of info I was using in my analysis.
When are you going to race your beast? It cost a bit more than a dime, didn't it! |
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don't see many 4 cyl trucks/jeeps come thru the shop.... too much altitude out here... VERY little 2wd truck, too. |
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I seemed to only run right around the index. It kinda disappeared after some rumors surfaced about a 305 short block. I hope not, because it didn't run all that well. Anybody? |
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You mentioned something there that makes me think. We ought to do that as a project and document a blow by blow (might even Facebook or Twitter it) just to see if it can be done. Reckon we could get a magazine or website or manufacturer to fund it???? |
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Remember the blue sundance I built had less them 2800.00 in it got a lot of parts of ebay. That car went 1.16 under old index. |
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I'd hate to tear it down but I think a 96-97 Thunderbird 4.6L might be considered a "dime rocket". Really don't think the 96-98 Mustang 4.6L 2V would be too bad either.
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3RD "Dime Rockets" for the 4TH!
Okay, bargain hunters! Ready for an off-the-wall challenge today? Today's entry for consideration is a
71-72 AMC Ambassador 304/210/180 for U/SA Much the same characteristics as the 305 2-bbl Chevy except for the funky body. When compared to the Chevy, some similarities are: Slightly bigger bore and shorter stroke. A bit more compression. Similar sized carb, though a Motorcraft rather than a Rochester. Better flowing heads. Longer intake runner; maybe beneficial for more torque. Generous camshaft. Better rod-stroke ratio (if that matters, but it sounds good). 904 Torqueflite. Adequate rear end - 8 7/8" ring gear AMC 20. Cheap pistons available. I know that a similar one was raced a few years ago, but it was a '76 station wagon which does not have as good motor pieces and could not get within 300 lbs of minimum weight. Even so, that car ran .3-.4 under. |
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Dwight, you beat me to the keyboard this morning! I wanted to do the 304 (think spoiled brat stamping his feet)!
I'm going to guess that my next one could be done within our budget but I will probably have to go to Mark for a final thumbs up. Lew Becker and I ran across one of these cars at an auction and I actually had Lew bidding on it. It was very clean and didn't go for any real money. 76 Buick Century with 2V 350/205 or put the 4V on it. It makes Q/R/T with 2V or swap intake and make O/P/Q. 1.250 Venturi 2g flows around 350 cfm, great heads, small cam, medium valves but at 205 HP it's 25 HP less than a 350 2V Chevy that does work. Only real down side that I could see is the big, heavy body that it has to go in unless it were in a Skylark for P. But it is a 6 class car with an intake change! Marky Mark, can it be under the index on our budget? |
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Billy -
The Buick is on my list, too! If you consider the 4-bbl version at 240, the same spec engine is listed for 76-79 which gives more options. |
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If I read this right, a 79 Firebird with a shipping weight of 3358 LBS would have a weight break of 18.66 and fall into R/SA. The index is 14.05 ? |
Re: Some "Dime Rockets" for the 4TH!
This thread is what class racing is all about. Way cool.
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I'll get back on the Buick. I have to look at some specs. First problem is a cheap set of headers... Second is finding a torque plate.... |
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'78 Firebird Formula has a 19.18 break, so it is a natural T car and will fit U with weight.
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Jeep Comanche (pick up) with 4.0 inline 6 and fuel injection (1990 I think) fits P-Q-R. I think someone has one on the east coast. Cheap parts. Since many of the Cherokees (same frame) are used to "off road" race in the Southwest deserts so parts are plentuful.
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What about the regular 4dr late 90's Cherokee?? Does it fit?? |
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Or you can squeeze each ridge with needle nose pliers and then drag the piston through the cylinder with a fish scale and see what you've got... Or, 3 Open up the wallet and call Total Seal, Gregg Luneack or someone else that's competent. |
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btw, there's some special tools that you'll need.... |
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My 79 Firebird body is setting in the corner of the garage with the nose off. If there is no real difference in the tail lights, I need to replace the fenders and hood anyway. Finding a complete front clip for a 78 Formula might be a tall order? I'd need to know the correct the correct carbuerator. What about head numbers, correct intake(s). Would this combo be a flat top or dish piston motor. With the 2bbl and small cam, this thing would be real limited on rpm, what 6000-6200 max? Scarey thought but, you could almost get away with stock press fit pistons with this. Neat thing is, all I'd need to do is tie the sub frames, do the front end, take the 10 bolt to Moser. I wouldn't even need to put the roll bar in for this low a class! Better yet, I could run the Indy Points meet, less than an hour from my house! You guys serious, I'd offer the car for a corroboration effort. I already have the Hooker super comp headers, Moroso springs, sub frame connectors, Cal-tracs and mono leaf springs, a torque converter and wheels. Just tossing something out there. It could be the first Class Racer special? |
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I wouldn't classify a 350 Buick V8 as a cheap or easy car to build though. The oiling system needs some additional expense, that you wouldn't have with a SBC or Pontiac. They have great torque potential but it doesn't seem to be very broad. You can't hardly shift out of 1st gear soon enough. Remember, they have the same stroke as a 460 Ford I think you would want the heaviest combo there is , index wise. I don't know about the 2 bbl...Not in this part of the world. |
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The fenders and hood are the same till 81 (Formula). The nose piece is different, as is the rear fascia and bumper cover. License plate is between the taillights 77-78 |
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I LOVE this thread! Had/lost a 82GT intake damn it. Been looking ever since. I'm a little leary on 86 fuelie 302's though as that was an "oddball" year with unique flat top pistons and bad flowing heads with "swirl dams" built in. The 87 and later fuelie 302's obviously work much better.
That said 162hp 2bbl 302 or 200hp fuelie; 162 hp, .419/.448 lift, hyd cam, 67cc head, 1.21 carb (I think) 200hp, .445/.445 lift, roller cam, 62cc head, 2.3" throttle Is the roller cam, more lift, smaller chamber and higher flowing intake side worth 38hp??? Other note I guess is I like the look of the 82 but not the 86 LOL! |
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Oh, can I add one please? 91 ranger 2.3 4cyl auto.
Not a killer as it's heavy for JT/SA but.... 2.3 @ 105hp 10:1 comp 57cc head 1.73/1.5 valves .254 lift (ohc) 25.86 factor making it 2715 lb's where JT/SA is 22.0 and over. The 2.3 ford has a HUGE fan base/knowledge in roundy round and rally trucks and 4cyl rangers are given away with a box of strawberries around here. Index of 16.75...thoughts? |
Re: Some "Dime Rockets" for the 4TH!
Happy July 4th! One more "popper"!
77-83 Mopar 2V 225/140 This is probably the "Dime Rocket" with the most pop for the dime but you gotta like slow, not pretty (IMHO) cars. Small Carter 2V carb beats any other inline 6 (except AMCs). .410/.419 cam 6 real intake ports (that ain't bad) and the manifold is better than it looks. Valves are small but not too small for the cylinder. Long stroke and not alot of compression but hey, 140 HP with 2v carb. Bodies are still plentiful as are rears and engines for not alot of $$$. Low gear 6 cyl case 904s can be found. Early no frills Volare could be made light enough to fit U. It seems like all of the other bodies would have to lose wt. to fit V. Might have to "copple up" some truck headers but they're around. Good scrounge could do this one really cheap! |
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