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  1. subcom

    71 Duster 360 turbo build

    Is this Megasquirt? It’s not the rev limiter or AFR safety system kicking in at 6k?
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    Is it ok to copy a W5 head and make it better or are we just mad at Speedmaster

    “cheaper aftermarket block” - And we know how that is achieved.
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    Is it ok to copy a W5 head and make it better or are we just mad at Speedmaster

    I salivate over that Ritter block. Really nice piece but what’s wrong with it that it needs competition in what is probably a really tiny market place for high HP capable SBM blocks? The cost?
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    Is it ok to copy a W5 head and make it better or are we just mad at Speedmaster

    Im pretty sure this guy IS the Speedmaster head and intake manufacturer in CN.
  5. subcom

    71 Duster 360 turbo build

    What are the symptoms of valve float? Does it happen under any amount of boost or only when you get up into the higher PSIs? Is this with the exhaust wide open? I noticed in my back pressure tests that my RPM was hitting a 5800-5900 ceiling when running through the muffler.
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    I wish it was closer craigslist finds

    1979 DODGE "STAR WARS" VAN, ORIGINAL SURVIVOR, ONE OF A KIND! best of craigslist: 1979 DODGE "STAR WARS" VAN, ORIGINAL SURVIVOR, ONE OF A KIND!
  7. subcom

    Thinking of moving to Florida in the next year

    They did and with the collaboration of the good citizens of Florida and it’s been absolutely absurd! And we are all paying for it now.
  8. subcom

    Thinking of moving to Florida in the next year

    If you are considering buying a property in Florida I suggest you Google - Citizens and Surplus Lines Carriers.
  9. subcom

    Thinking of moving to Florida in the next year

    That program is a bit of a mess even if well intentioned. We had Citizens, the state subsidized plan and about the only one left. The “depopulation” plan blindly moved us to a new carrier without any prior notice at a 20% increase in premium, on top of the 33% increase we’ve been seeing just...
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    Thinking of moving to Florida in the next year

    Surf Zillow and research pricing in different areas based on your housing criteria. I’m in S. Florida and housing is crazy expensive but I’ve also looked around the state in lots of other areas and haven’t found any real bargains. Property taxes are high and climbing and it seems more and more...
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    speedmaster stuff pulled from Summit racing shelves

    I’m intrigued to see how this plays out. The name suddenly appearing on this VB just doesn’t accidentally happen. The drawing would have to be updated before sent to the CNC or someone took an existing VB plate and machined the name in to it. Something seems off about this story but the reality...
  12. subcom

    [WANTED] 64-65 Valiant/ Barracuda shield

    Kind of spendy but these folks make nice glass parts for our cars. I have one of their glass hoods. They’re in Lakeland, Fl. 1964-1965 Plymouth Valiant Fiberglass Front Lower Valance Panel - Lower Grill Panel (Bolt-On Heavy Duty) - US Body
  13. subcom

    1965 dart street/strip build turbo hemi

    Very nice. What gear ratio are you going to run?
  14. subcom

    [FOR SALE] Early A Front Suspension Parts

    Lower A Arms still available. $150 shipped.
  15. subcom

    Measuring boost back pressure

    I’ve thought about going that route also but I’d have to rebuild my hot side to get a s475/s480 to fit. What I’m really itching to do is two smaller turbos tucked up inside the fender wells behind the headlights. :)
  16. subcom

    Measuring boost back pressure

    Thanks @TT5.9mag. As always I appreciate and value your feedback. The exhaust outlet on this eBay model is 3” so that’s where we’ll stay. I’m not quite ready to throw in the towel on this turbo but the back pressure numbers are informative. I know a 1:1 ratio is ideal and 2:1 is not uncommon at...
  17. subcom

    Measuring boost back pressure

    Im more interested in strip performance. The street driving is just for tuning for the track, although the quick spool is fun. I don’t street race or anything. Do you think there are gains to be made by increasing the downpipe from 3 to 4”? I’m thinking the next logical step is an upgrade to the...
  18. subcom

    7875 + 5.9 + E85 + Megasquirt

    Push in breather on each side.
  19. subcom

    No Valiant Love?

    Valiants are ugly. Especially these cheapy old early-As, painted appliance white and owned by even cheaper Mopar enthusiasts that just don’t know how to appreciate a nice modern muscle car….oops was I talking out loud about myself again?
  20. subcom

    7875 + 5.9 + E85 + Megasquirt

    Starting a couple years back I had noticed that after a boosted run I would sometimes get a strange fluttering sound like a piece of paper was sucked into the torque converter. I never figured it out until recently. Crankcase pressure was popping the dipstick out of the tube and the sound was...
  21. subcom

    Measuring boost back pressure

    Test 4: Same as above but turned on the boost controller and set duty cycle to command about 10psi. Made one run. Boost PSI: 11 Backpressure: 16.7
  22. subcom

    Measuring boost back pressure

    Test 3: Removed the exhaust after the downpipe. Still running on spring pressure only (5-7psi). Made 3 runs. This is all easing into the throttle in 3rd gear. Boost PSI: 7.0-7.2 Backpressure: 9-11.8
  23. subcom

    Measuring boost back pressure

    More data coming in. I dropped the exhaust after the downpipe. It's about 7' of 3" exhaust with a cutout and short open chamber muffler.
  24. subcom

    [FOR SALE] Spare Tire Well

    Very clean, rust free spare tire well that came out of my 65. $75 for it plus shipping. PayPal preferred. Thanks!
  25. subcom

    [FOR SALE] Early A Front Suspension Parts

    K-Frame is sold. Still have the following parts. Make me an offer. Thanks FABO! - Upper A Arms, small ball joint. $100 shipped. - Lower A Arms. $150 shipped - Strut rods. $50 shipped - Idler Arm. $40 shipped - Pitman Arm. $40 shipped
  26. subcom

    Skinny Steelies?

    15x5 factory BBP wheel in the front with BFG 155/80/15s. They are “skinny” imo.
  27. subcom

    Sounds like new drag racing, donut circuses fines going up.

    It's big down here in S. Florida. Street Takeovers they call them. All the burned up Hellcats, ScatPak Chargers, etc. are creating a nice supply of gen3 hemis and hemi parts in the local market also...probably driving the theft of same cars as well :)
  28. subcom

    Measuring boost back pressure

    That’s test #2.
  29. subcom

    Measuring boost back pressure

    It’s a single 3” actually.
  30. subcom

    [SOLD] Aluminum Billet throttle body.100$

    Do you know what part numbers it takes for the IAC and TPS? Are they like common GM parts?
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