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My time od 91.5 in the eighth mile equates to about 112 mph in the quarter and was run on only 15 pounds of boost. The quarter-mile elapsed time for that run would have been about 12 seconds, flat, according to the Wallace calculator. I think those are OK times for a 225 slant six, running...

Car1964 Valiant 4-door Weight 2,680 Gear ratio 2.76:1 Tire diameter 28 RPM through trap unknown MPH through traps 91.5 eighth-mile ET 7.6 Engine CID 231 Head Type cast iron Valve size 1.75" / 1.5" Head Work mild port job Cam Manufacturer Bullet Cam specs at 50 210/210 Carb type and size Holley...

From all I've been able to learn about it, it would be just about perfect for a forced-induction car because the octane is so high, it would be unusual for any detonation to occur, if you're even halfway careful with your boost and spark advance. Even though it contains less energy per...

+++++++++==++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Well, now I realize I forgot to include these other facts, along with that original information: At the same time I went from normally-aspirated to forced induction, I also replaced the early 340 exhaust...

RE: "Thanks for the advise Bill,that,s quite the impreessive jump in HP." Wel, now I realize I forgot to include these facts, along with the other information: At the ame time I went from normally-aspirated to forced induction, I also replaced the early 340 exhaust manifolds I had been...

Not advocating ANYTHING, here... This is just what ~I~ chose to do; might work for you; might not... In a nutshell: 360 Magnum, with a STOCK SHORT BLOCK (with a windage tray) plus a Hughesperformance Magnum roller cam with these specs (REALLY mild.) .525" lift with 1.6:1 stock Magnum...

Using the formula: bore divided by 2, times itself (radius X radius, or, radius "squared"), time "pi" (3.1416), times the stroke, times the number of cylinders = displacement, we get 280.12 cubic inches, for a 273 that is bored .040." Here's the math: 3.63 + .040 = 3.67 Bore...

Nope... 318 bore = 3.91" 273 bore = 3.63" difference: 0.28" That's over a quarter of an inch... 273 cylinder walls are probably not that thick...

Are you looking for a shop in Seattle? Miami? Los Angeles? Bangor, Maine??? Nobody knows where you live, so it's kind of hard to make a recommendation because you might be 2,000 miles from the recommended shop. Where DO you live? That information might get you a recommendation.

You just picked up nearly two car lengths in the quarter... Shedding weight is just like gaining HP....

Stroked 340 said:"Riddler" "Voodoo'..Lunati sure has some cool names for their cams." That particular cam was a cam that came out of the engine that was in the '69 Barracuda that won Stock Eliminartor at Pomona in 1969 (possibly 1970... I'm not certain of the year, but, it was one or the...

It was a 4.10, and the answer is "No." Not yet. But, I did take my car to Centerville (drag strip) last Saturday, with the 3.55. It was cold, and slick. Attached is my best timeslip... not a bad mph, but the 60-ft. sux, so does the e.t. The online calculators I use (Wallace) said...

It didn't run bad.... I put a 4.56 Sure Grip in it, along with some cheap-*** slapper bars (didn't know any better), a Lunati "Riddler" cam, an electric fuel pump, and some 7"-wide Stock Eliminator M & H's on the back. Blocked the heat risers (under the carb), made a cold air pkg, and...

Not to add fuel to the fire, but the 340 installed in the '64 Valiant shown below is my car circa 1972. I dropped a complete '71 Demon 340/4-speed into a '64 V-100 2-door post. I say "dropped in," because that's what I was trying to do.. to get by without having to buy headers, Well...

Moper, When I bought that Hughes cam, Dave told me that Engle was grinding them. I read a couple of months ago that Jack Engle had died, so I don't know what that means RE: the Hughes cam supply line. Bill

Moper. I detected some of that "not open for discussion" attitude, but since I was the one asking, and I'm just a hobby racer (and he's "in the business"), I never argued with him. My cam turned out well... it was exactly what I needed, but I degree my cams when I install them and the...

Thanks for the kind words, Rob. I'm thinking it will depend somewhat on the cam he uses. I'd try to stay somewhere around 225/230 degrees @ .050" (with about .480" gross lift,) for driveability's sake since this is not JUST a race car. Street manners are important, and with a 3.55, you...

My un-blown combination wasn't very far from the one he's using. My car is (look to the left) a '72 4-door; probably 250 pounds heavier than the Barracuda he's building; there's .25-sec right there.... My engine's specs... 360 Magnum stock short block Stock Magnum heads with a bowl...

JohnRR said, "not sure why that was done to the 904 and the 727 ." Did you mean, "not sure why that was done to the 904 and NOT the 727 ?" I figured you did, but wanted to be sure. Thanks for the sprag information. I'm beginning to see how this stuff happens. I think I'll stick with my...

Len's opinion was, it was the power drain to make the shift so hard that it spins the tires that was costing the e.t., not the wheelspin, itself. I'm sure you're right though; the wheelspin couldn't have been doing anything good for the elapsed time. :angry7: He (Len) would back the main...

That's more good info that I am glad to get. I appreciate the time you take to post this stuff; not many places to get this kind of information. My friend, Len, says that main line pressure should be just enough to ensure slip-free shifts; any more than that will cost you e.t., if it's a...

Moper said: "So the drum is the secret to no explosions." So, the no-explosion drums need to me made of aluminum, or did you say steel was okay? I am not sure what's available material-wise, in the aftermarket. Thanks for the good info; I am learning a lot. Bill

That was an excellent explanation of how these transmissions work! The clutch drum blowing up from excessive rpm is just the last thing that happens, and is a symptom of the REAL problem, which is the sprag anchor coming loose in the back of the case, AS I UNDERSTAND IT. Is that true...

>>>The part that explodes is the sintered iron front clutch drum.<<< Is that drum ever replaced with an aluminum one? I have seen aluminum clutch drums, but I don't know where they fit in the case. My valve body is un-altered except for the transmission received a Trans-Go shift kit when...

Thanks Tony and Fishy.... I'll check those suppliers out!!! Bill

Me too, Demon seed. I have learned a lot since coming aboard here, but still have a LONG way to go... My lack of real, hands-on experience with Torqueflites is embarrassing,to say the least, but I am learning, anyway. One of these days, I'll buy a junkyard tranny and rebuild it, just for...

>>>>>They have the same rear sprague and geartrain designs. Identical except in size of parts. Both will explode if the sprague is damaged and they run a stock sintered iron forward clutch drum.<<<<< It wasn't the sprag that was the offending part; it was the way the sprag is anchored to the...

Well, you're very welcome. I was astounded when Len told me about the problem of the intertia of the components contributing heavily (no pun intended) to the damage incurred when racing a 727, but as I said, that is his considered opinion; not mine. If he were just some jake-leg...

Here's another picture of that same car, with new owners and a new paint job, and a new record (10.29 @ 128 and change.) This was in 1983 with Super Stock rules of the time; 340 with stock heads, stock compression ratio, .060" overbore, stock T-Quad, any intake manifold, and a solid...

With your permission, I'm going to jump in here and post some information that may be controversial, but is not MY opinion; it's the opinion of someone who has forgotten more about Torqueflites that I'd learn in 10 lifetimes. His name is Len Schneider, and he has been building automatic...