Re: 78 Trans Am with 350 engine? - NOT stock

Feb 27, 2023 0 Replies


BikeDude1 wrote:


> >
> > TA 6.6 had 40 more hp, can tell by the decal on the scoop. TA 6.6 = 220 hp.
> > I know I know, big f deal, 100 less than 98 WS-6. But all the hp was corked
> > up w/ restrictive exhaust and intake. Let the 78 bird breathe right (headers
> > & intake mods) and u got some righteous muscle....
> Actually, hp was only 188@4000 in '78: where the T/A excelled at was
> torque: 340@1700 That's a lot of shove just barely off-idle.;-) 'Course
> it needs it to launch a 4000lb (actually 3950) off the line with any
> authority at all. It wasn't until '79 that the T/A went to 220 hp.
> Torque went down to 320@2800. This made it more of a highway car where
> its more than capable handling skills came into play. I'd put my '78
> T/A against same era 'vette in the slalom any day.

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