1971 LS5 PCV Valve

[Sheldon S.]

My car is a 71 LS5 with automatic and no air. The AIM shows the PCV valve with a T on it with larger line going to the Rochester carb and a smaller line going from the other side to the eval canister. I have the PCV valve a 736 which has a large outlet going straight up but cannot find the correct plastic T fitting to make this work. All the ones I have found have the large ports going straight through and the smaller port making the T part. Has anyone got a picture of there original setup that I can see. Or does someone know where I can get the right pieces.

Thanks
Sheldon

[Joe L.]

Re: 1971 LS5 PCV Valve

My car is a 71 LS5 with automatic and no air. The AIM shows the PCV valve with a T on it with larger line going to the Rochester carb and a smaller line going from the other side to the eval canister. I have the PCV valve a 736 which has a large outlet going straight up but cannot find the correct plastic T fitting to make this work. All the ones I have found have the large ports going straight through and the smaller port making the T part. Has anyone got a picture of there original setup that I can see. Or does someone know where I can get the right pieces.

Thanks
Sheldon

Sheldon------


I'm not sure that the tee was used for 1971 LS-6 although it was used for 1972. In any event, if the tee was used it was GM #3970076. It's discontinued but I think it's available in reproduction. You won't find this in the AIM because the tee was part of the hose assembly supplied to PRODUCTION.

[Gary B.]

Re: 1971 LS5 PCV Valve

This is what I think you are looking for. This is a 71 LT-1, but I think they used the same Tee. Other picture is a 72, LS5. Again, I think they were the same.


Gary_DSC0167.jpg

DSCN6046.jpg

[John M.]

Re: 1971 LS5 PCV Valve

Sheldon,

Doc Rebuild has a repro of the tee:

http://shop.docrebuild.com/1970-1973CorvettePCVEvaporativeHoseTeeFittingReproOfGM3970076.aspx

Regards,
John