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  1. 67autocross

    Head ****

    You should send me that cam...I will be kind and Dyno it for free so as you can see the results...
  2. 67autocross

    Valve seat question…

    I think interference fit was just too tight and they cracked on the install…the funny gap is just the bad procomp casting…better luck next time
  3. 67autocross

    Valve seat question…

    Have a close look at all the cracks in the seats…anyway they have been knocked out and dumped in zee garbage….
  4. 67autocross

    Valve seat question…

    It’s Goodson stuff…seats are coming out as there is cracks in every direction
  5. 67autocross

    Valve seat question…

    They just got installed…the box does say China on it so that may be the answer
  6. 67autocross

    Valve seat question…

    Anyone ever see this when cutting seats…the dye is bleeding back out after the seat is cleaned…it’s like they are made out of powder metal and are full of porosity….
  7. 67autocross

    Polymer Racing Products Carb Spacers

    I’m dropping off a few spacers to get flowed on my super victor this weekend…see if they show any numbers worth noting
  8. 67autocross

    Main studs

    No problem...if you were really stuck I would have found a way to get them to you
  9. 67autocross

    Main studs

    I could ship you this set from Canada… keep in mind it will cost more than Summit
  10. 67autocross

    Main studs

    I’ll look next time I’m at the shop
  11. 67autocross

    Main studs

    What is the part number for the ARP studs you are looking for?
  12. 67autocross

    Dulcich 408 on dyno - offset heads

    So is this the same engine from 2009 and he is just doing a re-dux on it....
  13. 67autocross

    Dulcich 408 on dyno - offset heads

    Should make 600hp...
  14. 67autocross

    Small Block Head Flow Chart

    Okay here are the numbers Intake Advertised. Flowed. Ported 200- 142. 123. 139 300- 202. 189. 201 400- 251. 236. 244 500- 278. 268.5. 270 600- 284. 282.4. 292 700- 286. 282.6. 293 Exhaust 200-124. 98.5. 108 300-158. 135.4. 146 400-190. 169.9. 182 500-203...
  15. 67autocross

    Small Block Head Flow Chart

    Talked with the head porter last night for a bit...said he now has the lower numbers back in the advertised area... and the upper numbers in the 294 range with really good velocity...intake volume is in the 190 range...he said when you take them out over 300 the port turns into a toilet...
  16. 67autocross

    Small Block Head Flow Chart

    I bet the 59 degree W9 could be the flow king of no offset rocker heads
  17. 67autocross

    Small Block Head Flow Chart

    I might see if he will flow some stock W9 heads next week…they will probably kill the Promaxx heads even as cast
  18. 67autocross

    Small Block Head Flow Chart

    Unless I bring him an eddy head he probably will never flow one…if I ever get the chance I will
  19. 67autocross

    Small Block Head Flow Chart

    I will get some trick flow heads and race the Promaxx…
  20. 67autocross

    Small Block Head Flow Chart

    A few years ago I watched one getting flowed at 400 to 700 and I remember it was a bit low…but I was surprised how off the low lift was down…saying that lots of guys here have made 550 to 600 hp with them
  21. 67autocross

    Small Block Head Flow Chart

    I don’t know about the trick flows …but they are down a bit from their own advertised numbers
  22. 67autocross

    Small Block Head Flow Chart

    He said the low numbers are bad…it will take a bit of pissing around just to get 200-400 up to advertised numbers
  23. 67autocross

    Small Block Head Flow Chart

    Okay numbers are in for the SBM CNC Shockers…intake only as the guy who is doing them just called me and I jotted down the numbers : Lift. Advertised. Flowed. 200. 142. 123.3 300. 202. 188.9 400. 251...
  24. 67autocross

    Dragweek 2021

    Have fun! It is for sure a good time
  25. 67autocross

    Trick flow heads how are they ?

    Local shop priced me out some a week ago ... $1450.00 Canadian each plus tax and shipping... so around $3500.00...plus rockers. I figured that was a bit much for me to be the first local tester. That same shop built a promaxx CNC headed small block 408 this winter that made 525hp with a small...
  26. 67autocross

    How would you build a low 10’s street car

    Right now you can pick up 2019 5.0 Mustangs for $27000US here in Canada...so you could build a new 10 Second car for $35000...with full Warranty.
  27. 67autocross

    Drag Week 2020

    Winnipeg...
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