I have a 71 t-top with a 350/270hp engine. I need to replace the passenger side exhaust manifold. The casting number is 3989036. I need one without the AIR holes. I'm having a lot of trouble finding one. I ran accross several with the casting number 3932461, which is the 71 350/330hp LT1 engine. Will the LT1 manifold work on my 350/270 engine ? What is the difference between them??
YES IT WILL FIT