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  1. AJ/FormS

    My 340 getting 6 mpg

    1) I have a bit of trouble with big metering-rod carbs, and late-closing intake valves. I find Holley carbs easier. Except, for strictly cruising, then the M-rod system is hard to beat. And so, my favorite is and will always be, the Thermoquads. When the Airgaps began to show up at the...
  2. AJ/FormS

    My 340 getting 6 mpg

    ...in the back, and a 10.5 PV. Sync the Transfer ports, reset your pumps, Modify your VA and Mechanical Timing Curve to, together, generate at least 48* of Cruise timing. Here's how to set your cruise timing exactly right. 1) check your timing at cruise-rpm 2) rev your engine up to cruise rpm...
  3. AJ/FormS

    My 340 getting 6 mpg

    ...a manual trans, and 24" tires; 65mph calculates to 3400rpm. For cruising and to get optimum fuel economy your timing is gonna want to be about 56* advanced. with an auto-trans your rpm might be/should be, within +/- 3 %. What I imagine; and/or am afraid of; > is that cylinder pressure is...
  4. AJ/FormS

    Question on rear wheel sizes

    I have always loved the looks of those 2-dr cars. and I have always wanted one. But If I had one, the absolute first thing I would do is install tubs big enough to accept at least 275s on at least 10s, 295s on 11s would be better. and then a narrowed rear end, and for sure, slapper bars, and...
  5. AJ/FormS

    Room for a Clutch-Fan in a '65?

    IIRC that .039 gasket is around 8.8cc, so yes, compared to the .020 factory steel shim, is is costing you about 6/10th of a point of compression, and a V/P of 5 per the previous post. Now, 5 doesn't sound like much, but from a V/P of 95 with that 8.6cc gasket to a V/P of 100 with the 2cc shim...
  6. AJ/FormS

    Room for a Clutch-Fan in a '65?

    ...pressure, is your lazy start. If you look at the opening rate of that cam, going from [email protected], to .200@ .050, you can see that it is about 1* per .001 lift. Therefore from .018, back to a cold lash of .010 is another 10*of duration. But, the rate of lash take-up, could be slower, so lets...
  7. AJ/FormS

    Room for a Clutch-Fan in a '65?

    ...now, with the factory cam, at 8.4Scr, and say 400ft elevation, that should make about 147psi with the factory 273 cam, that had an Ica of around 48*, which you-know, was pretty modest. So Now; with the unknow-spec Commando cam, and the 8.4 Scr, and say an Ica of just 60*, The Wallace...
  8. AJ/FormS

    Room for a Clutch-Fan in a '65?

    Q1: is that robbing power? Answer; Of course it is; it takes power to drive any fan. But, On the street, with an automatic and street gears, you'll probably never feel the difference Q2: should I leave it be? Answer; If it ain't overheating, then leave it be Q3: is the clutch an option? Answer...
  9. AJ/FormS

    Tire pressure for a 1962 Valiant with 14" tires

    Since everyone is guessing, My guess is that ; 1) the Ideal pressure will fall in the range of 26>30psi, and 2) For touring; the right pressure to run, is the one at which your tires last the longest, running the tread off more or less equally from side to side. From that Ideal setting you can...
  10. AJ/FormS

    Swapping 340 into 64 valiant. Center drag link hitting oil pan

    65 Valiant 200 wagon, what a HotRod that was with a 340 in it. I Bought a 273/904 take-out, for parts, from a friend of a friend. I used the 273 engine mounts, the engine brackets, the A904/TC with it's tri-pot flange, and and I think it came with a suspended gas-pedal. The only exhaust...
  11. AJ/FormS

    Swapping 340 into 64 valiant. Center drag link hitting oil pan

    I shimmed my engine up and level, dimpled the pan, then leveled the link to the ground-plain; problem solved; even ran the slanty link. BTW those headers are awsome.
  12. AJ/FormS

    66 Dart 360 Swap Questions

    people, have a tendency to chase a specific horsepower level, which, for racing, once you get into top gear, you gotta. Read this and skip the rest; The quickest way to performance, on the street, is with stall and gears. For a streeter, horsepower per se, isn't all that important. Because, you...
  13. AJ/FormS

    66 Dart 360 Swap Questions

    Switching to a 360 in an early A from a slanty, is a whole new ball-game. BTW IMO, the hands down best solution to the exhaust system, is the IIRC5204 Hookers which split the primaries on the Driver's side to two down the inside and two down the outside, of the frame rail. Second best would be...
  14. AJ/FormS

    66 Dart 360 Swap Questions

    The stock 360 has so much low-rpm power (compared to other stock SBMs that in your lightweight-A, you won't actually need true duals, nor even headers. But if you go that way, and take advantage of the 360's torque, then at least, you won't need large diameter pipes. Furthermore, for a...
  15. AJ/FormS

    Removing my 273 engine

    I once removed the K and once was enough. Way easier/way faster out the top with a tilter. But with a 4-speed, It's so easy to pull the trans first And if the trans is out, It's quick and easy to drop the BH and clutch and FW too, I mean I'm just laying around anyway ............. lol. And then...
  16. AJ/FormS

    exhaust woes ......1973 340 into a 1965 barracuda

    Has anyone mentioned the Hooker 5204s headers? On the Driver's side, IIRC they are three pipes down and one thru the apron. Back in 1975, I did the 340 swap into 65 A100 wagon, with full Hooker fenderwells. On the street the lack of tire clearance was not that bad, as I recall , so the 5204s...
  17. AJ/FormS

    Overdrive in Early A

    ...This gear is just too far away for performance driving with the lower-torque designs. Like I said, I ran it behind my Hi-torque 367 with a 230/110* cam, for three years then finally moved on. I switched to the Commando (3.09-1.92-1.40-1.00), I have run this since 2004 behind my 367 with...
  18. AJ/FormS

    Overdrive in Early A

    I used the 4L80 for the ratios I had on file, being lazy, to help make my point. The 200R4 is definitely a better fit.
  19. AJ/FormS

    Overdrive in Early A

    ...set right. The optimal cruise-timing n a Lightweight-A, for 65=2400rpm, is gonna be about 52>56 degrees, or more. To get to a Power-Timing of 36*@3600rpm, your Distributor will need a timing curve of about 1.0* per 100 rpm beginning at 1000 rpm, and an initial Idle-Timing of 10 degrees.. So...
  20. AJ/FormS

    64 Dart 273 Engine Vacuum

    Sounds like you flooded it. If you have done this several times, the gas ends up on top of the piston and during cranking gets onto the cylinder walls where it washes off the oil, and eventually most of it gets into the oil, with some of it going into the exhaust system.. With the oil washed off...
  21. AJ/FormS

    64 Dart 273 Engine Vacuum

    ...correctly where TDC # is; start her up and check the timing. Back up the D until the index is telling you that the Timing is in the window of TDC>5* advance. Now readjust the idle-speed to 500/550 (in P/N with a stock cam). If the engine is still running and still rough. Shut it off. Now...
  22. AJ/FormS

    64 Dart 273 Engine Vacuum

    If the engine runs for 20 seconds, with the throttle at a more or less a normal position, then I would NOT suspect a jumped chain. I would suspect, 1) a non-vented fuel-tank, or 2) a perforated jumper hose, probably at the back, between the sending unit and the main supply line.. When this...
  23. AJ/FormS

    64 Dart 273 Engine Vacuum

    If the vacuum has changed AND, the timing has changed, AND it takes a lot of throttle to achieve rpm, then in all liklyhood, the Timing chain has jumped. There is an easy way to check chain stretch; just crank the engine over by hand until she meets resistance, Then crank it the other way...
  24. AJ/FormS

    1964 plymouth valiant 340 can I fit a edelbrock air gap intake without modifying hood ?

    The Wallace Calculator estimates, on a 300hp build, 45hp loss, going from sealevel to 5000ft air density, which is 15%; and is the equal to about two cam sizes. Not a chance will I ever again run hot underhood air into a carb sitting on a performance engine, and, especially not with the...
  25. AJ/FormS

    1964 plymouth valiant 340 can I fit a edelbrock air gap intake without modifying hood ?

    I doubt it. and even if you could, the tricks that you'd have to pull, I think, would negate the advantage that it offers.
  26. AJ/FormS

    Early Abody Doug’s 450 header install BEFORE engine going in

    If the headers are the under-chassis type, I would certainly try it. I have used this method many times on the 67 up A's, always with good success. But, I install removable studs, in the end holes, of each head to hang the headers on, and hold them in alignment, while I struggle with the bolts...
  27. AJ/FormS

    Lean out and miss fire

    What triggers the MSD? Is it a magnetic Pick-up? I have experienced exactly this, if the pick-up is wired in reverse polarity. If you change the polarity, you will have to reset the base-timing. There are threads here on FABO explaining how this works. Another thing that happens with so much...
  28. AJ/FormS

    auto trans

    That'a a pretty good trans. I put a 340 2bbl in front of one and ran the snot out of it for a couple of years.
  29. AJ/FormS

    A833 on a 90's 360 magnum engine

    A normally aspirated SBM? That would be a tall order to start with, and not at all 3.55 friendly. And I guess you are gonna tub the 65 then, and at least back-half it?
  30. AJ/FormS

    '63 Valiant Newbie

    If it was permissible for me to be jealous, I would be. In 1975 I had a 10 yearold A100. Man if only I still had her! I put a 340 in mine, then drove wheelnuts off it for two years, until the transmission said enough. Then I sold that gem, and got married. I was such a dope. I mean for not...
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