Hey guys,


I pulled the cam out of my 327 engine. Intake valve on #1 is rounded pretty good. I want to replace the cam, with the same specs (But a with a known brand) . However I cannot find any info on this cam. There are 3 numbers on the back with no manufacturer stamp. the numbers are : 115808 - 271260 - 270530 and thats it. I have called every Cam manufacturer I can think of, I googled it. Ive taken it to my local machine shop. (Left the numbers with the guy) and I cannot dig up any info on it. Any help on what cam I should order/ identify this one is appreciated greatly.!!!

 

Why would you want a cam that was designed for the 1960s. Their are many newer cam designes that are far better then what was on the books back then. I know Comp. Cams has a list of cams for those applications from back in the day. I would still look at the newer profiles, besides who is going to know the difference. Only your 327 will know for sure.

 

Well I just want to know lift/ duration so I dont hinder performance or slap a valve to a piston. is really my main concern

 

Call or Email the cam companys, thats what they do for a living. They are their to help you with all you questions and to help you with your build.

 

I can understand wanting the same cam. You like the way the motor runs with this setup. I would do a little more digging, if all fails they should be able to read the old cam and get one that is real close IMO.

 

I would agree with YAV8, I wouldn't waste anymore time trying to find the same cam. Figure out what your 327 has for piston compression ration, and what heads are on it. Then the rear gear ration, and trans. After you have all that you can contact a cam builder and give them the info, along with what your driving plans are, and they can reccommend a cam that will work with your engine specs.
I'd also say to contact two or three cam companies, so you can see if they all have similar reccommendations for lift, duration, and lobe separation. Once you've gather the info you can decide which is the best price, and buy their cam/lifters.

 

How do I determine converter stall?? I know that question will come up. also

Head volume, valve spring tension. what else do they ask for. ??

Rear axle ratio is how many times drive shaft turns in relation to the wheel of 1 revolution. ?

 

I'm sure they may ask converter stall, but if you don't know there's not an answer. It will just have to not be answered and assumed it's factory. Head volume and any info on the heads will be determined by the head casting number. It may have been changed in it's life, but again you have to assume it was redone stock, if you don't know. The casting number will tell you the chamber volume and valve size.
Rear axle ratio can be done by jacking up the rearend and seeing how many times the driveline turns for each revolution of the tire, IF it's a posi. If it's a open rearend, then it takes two turns of the tire to get the correct ratio. Jack both tires up, and turn one to see if the other goes the same direction. If it does it's posi, if they turn opposite it's open. If it's open you need one tire on the ground to get the driveline to turn and count.

 

cam is at the machine shop. Find out what it is on monday!

 

Choosing the right camshafts or cam and lifter kit is one of the most important decisions you'll make to increase the performance of your vehicle. Consider the intake system being used, cylinder heads and a host of other factors, and you've got a real dilemma.