Oil cap on tpi cars, front or back?
 

So i have a 1990 Iroc that the previous owner changes the valve cover on, i have original style valve covers ready to go back on. But does the oil cap go in the front or back? I have looked at lots of pictures of ultra low mileage cars, and i’ve seen it both ways. I’m sure there is a reason to the madnesses. This is one one of my favorite section to read, so many knowledgeable people here.

Thanks

Re: Oil cap on tpi cars, front or back?
 

I think it goes towards the front on the drivers side.

Re: Oil cap on tpi cars, front or back?
 

Re: Oil cap on tpi cars, front or back?
 

Re: Oil cap on tpi cars, front or back?
 

I believe it was year specific and I believe 90-92 was front.

That being said, both my 87 and 89 are rear...

Re: Oil cap on tpi cars, front or back?
 

Driver's side.

You can't flip the cover 180* on the same head anyway, because the center bolts aren't exactly centered.

Re: Oil cap on tpi cars, front or back?
 

Crap, sorry, my bad... Yea, my 91 is on the passenger side. All these years never paid attention to the difference, lol!

Re: Oil cap on tpi cars, front or back?
 

I don’t believe they were ever on the passenger side