NG v. NF

Doug Yoder yoderw at
Mon Nov 15 15:25:43 EST 2004

My '91 100 has a NG style head on a motor called NF.  To make things 
even more exciting, the Bentley and FA show pics of BOTH styles... my 
guess is not all 100s (maybe only '91?) got the NG heads.


sdewitt at wrote:

> Nope you need to use the NG manifold with the NG head. I thought that when the NF was carried over to the 100, it got the NG style intake? Anybody comment on this?
> ----- Original Message -----
> From: David.Payne at
> Date: Monday, November 15, 2004 1:09 pm
> Subject: Re: NG v. NF
>>If I was looking to replace a NG with a NF is it possible to mount 
>>the NG
>>manifold onto a NF head and plug the extra holes, or should I use 
>>the NF
>>manifold as well?
>>Thanks, Dave.
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