Afr orv TW both good heads. I run the AFR 165s with tf stage1 cam and cobra intake ported to match. Car was 330rwhp the added strim=454rwhp all on stock bottom end 302.
I run a cobra intake,afr165s,and tfs stage1 car was 326rwhp and about same rwtq a good improvement over stock and very streetable. Then added s-trim blower 454rwhp and still very streetable.
A good head for the money. Run your cobra intake,tfs stage 1 cam, and these heads should be at least 300rwhp. If you have the money the afr165 or 170 trickflow would be better. But nothing wrong with these if you on a tight budget.
I have a 91 gt with H/C/I and strim blower with good suspension under it. It looks a little ruff right now as it has a dent in rear quarterpanel and faded paint. I had a 2011 gt mess with me the other day and I pulled him very badly. I think he was a little shocked when my beater took him and...
Search you local craigslist for a used t-5, might pick up one cheap. Astro t-5 is a brand, I have one in my gt. They will hold more hp and torque than stock t-5. They are not cheap if purchased new but are a good tranny and shift like a stock t-5.