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  1. 273

    Which thermostat to go with 185/175 temp sensor?

    Which thermostat to go with a electric fan with 185/175 on/off temp sensor ? Do you want it more than the 185 fan ON like 190 thermostat or same or even just under ?
  2. 273

    CVF Racing V pulleys needed hose and belts?

    I bought the CVF V 70's + pulleys and brackets for my 380hp crate in a 68 Valiant, couldn't find the info on their site I'm guessing i need a 70's power steering hose ? And anyone know the belt sizes? i got the underdrive one.
  3. 273

    Poll for Minimum Torque for a performance street Machine?

    Just curious what would you consider minimum acceptable torque in the 3500-4500 rpm range for a decent street machine ? What would you consider ideal torque in the 3500-4500 rpm range ? And is it possible to have too much torque ? I'm talking in the street not on a track.
  4. 273

    Does this prove David Vizard's 128 lsa formula ?

    The examples he give shows mid torque gains with going with a tighter lsa but was that really even in question ? But to me the gains aren't large enough to say it proves DV's formula, if anything it disproves it cause to me for the formula to be valid being a few degrees off of calculated lsa in...
  5. 273

    Generic braided fuel line and regulator, worthwhile buy ?

    I'm installing a holley sniper tank and efi, so I wondering anyone bought and used similar amazon hose kit and what was your experience ? Also want to install a regulator that will adjusts from carb to efi psi just incase I need to switch back and forth and anyone bought and used a similar...
  6. 273

    Questions about velocity.

    Obviously velocity is important but I'm at the belief that the average person doesn't have to much say about it, especially in the Mopar world, we have relatively few choices of off the shelf parts to work with. Most the calculations below are based on cid and rpm, when building an engine...
  7. 273

    Port velocity average target fps?

    What average target fps should you be shooting for and how much for different levels of builds like daily driver street to like pro stock? Is there kind of formula or guild or rule of thumb for target fps? So far mainly from Speier Racing Heads that he seem to target 310-350, he stated 350 fps...
  8. 273

    Video's (youtube etc..)

    A while ago I suggested to start a section that members could post links to their Videos and we could watch and talk about them, was suggested to me start it myself so this is basically what I'm doing. Members YouTube channel Forum section Any video I see that I find interesting I'll post here...
  9. 273

    How does a Dyno Really Work?

    This came up on my feed thought might be interesting to some.
  10. 273

    Members YouTube channel Forum section

    I think a forum section should be created where members can post links to their videos as they create them for us to view and comment.
  11. 273

    Cam change effect on 60' times ?

    Just wondering if people have time slip examples where switching to larger cams with less than ideal converter/gearing that may have increased overall E.T. but did it have a penalty,improvement,same in the 60'/330' times? Same question also switch for dual plane to single or any other mod that...
  12. 273

    Here's a cool little 273/292 build for the 273 guys.

    The 273 Build That Doesn't Suck Forget The Little Engine That Could. This Is The Little Engine That Does! WARNING: Reading this article might cause you to giggle uncontrollably with excitement. It might lead to sleepless nights and neglected work-hours spent planning your own 273 build. It might...
  13. 273

    Moving "Mopar Performance Issues"

    To me "Mopar Performance Issues" and "Mopar Racers Forum" should be at the top of "Mopar Technical Forum" and "Mopar General Discussions" should be where the racers forum is, Mopar Performance Issues don't get used much where it is and should be closer where performance discussions are. Just a...
  14. 273

    Thoughts on this porters? Math on velocity, port size etc..

    Thoughts on this porters? Math on velocity, port size etc..
  15. 273

    Couple of 360/5.9l questions?

    I figured the direction I want to go over the next 5+ years with my car 68 Valiant stock body & interior, I'm keeping it small block want to eventually go high to mid 11's want no roll bar or cage. Want decent streetability be able to go anywhere at anytime. Looking to make peak power around...
  16. 273

    Turbo Hemi in a Dodge Neon!

    Here's a interesting Hemi swap :)
  17. 273

    Why would low lift head flow hurt power?

    Cylinder Head Design - CHP How It Works "A larger valve diameter will almost always produce higher 0.100- to 0.200-inch flow figures, which can be counterproductive to making power. /// For race engines we use larger valves, but are able to reduce the 0.100- to 0.200-inch flow even further with...
  18. 273

    Engines with lack bottom end power?

    I thought the general consensus was engines that were soft down low in the rpm band was a lack of torque. But I've been noticing that built engines of all type even high rpm still make decent power down low generally far better than a stock low power version of itself some on par or better than...
  19. 273

    Performance tire categories?

    I'm deciding what tires to get for my car 68 Valiant Signet will have about 350 hp 5.9l Magnum, gonna have upgraded torsion bar leafs sway bars Viking double adjustable shocks Not looking for competition tires that got to be stored specially, car will be daily driver type summer may see some...
  20. 273

    350 hp out of a fairly stock 340

  21. 273

    Drawing engine torque curves without a dyno

    Using your phone or a boat level gauge
  22. 273

    Richard Holdener starting to doing some 2.2L DODGE TURBO dyno testing.

    I'm really interested what he squeezes out of this little engine, I wanted a GLH Omni back in the day.
  23. 273

    Question does stall convertor rpm happen between shifts ?

    Just wondering eg.. Does say a shift point at 6500 rpm drops to 4000 rpm but your stall is 5000 rpm does it drop the stall 5000 rpm or 4000 rpm or somewhere inbetween ?
  24. 273

    Is More Flow Better, Is The Smallest Intake Port That Flows The Most The Best

    I find this guy Eric Weingartner of WeingartnerRacing videos on cylinder heads informative here's two of his latest Is More Flow Better Is The Smallest Intake Port That Flows The Most The Best Mopar heads Trick Flow SBM 190cc cnc Ported Head Review With Real Flow Numbers...
  25. 273

    400 hp 5.2l vs 5.9l Magnums

    Surprisingly similar builds making 400-409 hp just where you want your hp to peak 5400-5600 rpm or 5900-6200 rpm. Geared right you would have a strong runner either way. 5.2l Magnum heads Mopar 318 Engine - Car Craft Magazine 5.9l 380hp create, Magnum heads 360 Crate Engine Buildup & Dyno -...
  26. 273

    Anyone wired a self latching or other type of anti-theft kill switch ?

    Gonna do a rewire job with trunk mounted battery to my car this winter and been looking for wiring anti-theft ideas, a self latching relay with hidden button trigger kill switch seems like a good option anyone install one ? How did it work out or is there better options/ideas.
  27. 273

    Poll on are you running Stock or Modified engines

    Choices are Modified in a performance way and Basically stock, cause most cars aren't 100 % stock anymore so if you got a holley instead of factory carb but everything is stock then I would say basically stock, even say you got 340 and use a similar cam even if slightly better I'd say stock...
  28. 273

    Spherical leaf spring bushings

    Anyone modify there leaf springs with Spherical bushings, which ones did you use and how did it workout?
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