Was talking to another cleveland nuy this week who used to own a local speed shop. he told me about a combo that used to run regularely at willowbank. The car was a street driven XD. It had 2V open chamber heads, performer manifold,2500 stall, the cam was around 220@50 and about 500 lift. the diff was a 2:92 bargswarna and the car ran consistantly between 12.6 to 12.9. I,ve seen similar engine combos running these times, but with around 3:7 gears. Has anyone had a combo like this. I like the sound of it due to the long legs. I do a lot of highway(country) driving so this would suit me well. I havent bought any bits for my engine yet. I did however pick up a twin 2.5 inch mandrel bent system with the X style crossover. The system has hand made "ORG' mufflers like what is used on speedway cars. Does anyone know how these mufflers work? There the same as on the orange HJ holden ute in last months street machine mag. Will take a picture before i put them on the car. Any feedback on this combo above would be appreciated. Its performance wise where I want to be, but with a fair bit less cam and no fancy $650 plus manifold. Thanks for all the feedback so far, its good to be able to make informed decisions when forking out cash... cheers.
I doubt something with such a small cam and histall would run into the 12's. 13's maybe but not 12's. 12's aint that easy unfortunately. I'd doubt a car with a manual and a driver with no mechanical sympathy could even do it with that setup.
They only way to get it done would be in a Cortina/Escort or Capri. Just won't happen in a full sized Falcon.
[edit] Should add it can be done with a large shot of n2o.
I doubt something with such a small cam and histall would run into the 12's. 13's maybe but not 12's. 12's aint that easy unfortunately. I'd doubt a car with a manual and a driver with no mechanical sympathy could even do it with that setup.
They only way to get it done would be in a Cortina/Escort or Capri. Just won't happen in a full sized Falcon.
[edit] Should add it can be done with a large shot of n2o.
I find this hard to believe myself, but the source of this information is honest. The car belonged to a guy called 'Breezy' and was built buy a guy called George Wegener , a very well respected engine tuner and builder who has been in the game for over 30 years. I'll se what else I can dig up on this, because I to would have to see it to believe it, but I think its worth a bit of research... I'll let yas know what I find.
Just goes to show that with a little bit of effort and sorting you can extract a few more horses without having to resort to spending massive amounts of cash. Also those guys at Racetech would have checked the flow of the heads and chosen a cam accordingly. No ass plucks, no guess work. Imagine what they could have built if they used an AFD head/Roller package, using the same bottom end .
Do yourself a favour people, DONT run a cam or combination that some backyard boy has recommended. Seek professional advice, especialy when it comes to Cylinder heads and flow. Select the approprite cam to work as a total package. Anyone can stuff a big lift cam into a wild geared, over converted car and get it to 'SORT OF' work. The real record breaking stuff comes from people who spend countless hours making sure everything works in sync.
Oh, lastly, there was a guy in Adelaide in the mid 80's who ran consistent 11.80's, running a Sig Erson Viking 100 cam (about .510" lift), dual plane manifold, 850DP in an XY, 4V Closed Chambered, stock stroked clevo with gears, slicks and a very well set up suspension package. No GAS. Can be done!
Do you think he did his home work? If anyone here goes back that far, it was a very clean Black XY with Auotdrag Centrelines. He spent more time on that front end getting it perfect to plant every single HP he could to the strip... Now that's dedication!
Be well...
Troy
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