anyway I think a stock 4.9 with the 4t60E will do mid 14s, Now a carburated stickshift 4.9 in my guess might do a high 13s, Only why I say carburated is because your allowed to play with the timming advance with softer springs meaning your advancing the timing faster including several other things.... I won't turn this into a carb vs pfi thread......

Now for the price of a 4.9 swap is good and running mid 14s But with a bit of work you can easily get this engines ETA time faster ..... There's sooo much you can do proformance wise and im talking with only bolt ons. And it's been proven from fuel pfi swaps and carburated swaps.

The problem is ppl expect to drop a 4.9 in there fiero with no mods and expect to hit 13s...... Power requires money and work.

John Stricker

Just my opinion, but I don't think I'd be using the Caddy tranny. I think I'd be looking for a 4 gear auto like an Olds or GTP tranny, otherwise a manual tranny if I was looking to make the most of the 4.9 on the quarter mile.

The rpm range of the engine seems to call for on OD gear for highway, ruling out a 4 speed Muncie and leaving the 5 speed Gehtrag as a good possibility if you want stick.

I'd sooner try a better suited 1/4 mi. tranny before writing off the stock engine's potential.

Hmm you are probably talking about me. Sorry but how is my post a trolling post? I spoke the truth. Every stock 4.9 auto owner here who has posted times has posted times of either very high 14's or low 15's.

And I dont' care what you "think" a stock 4.9 with 4t60E will do, cause its been proven it will NOT do a mid 14 EVEN WITH SLICKS!!!!! Keep thinking that all you want. It still wont' change the fact that it won't run mid 14's on a stock setup.

Case closed.

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JM / SH

Actually I'm closing in on mid 14 right (14.67@91, If you recall 3 weeks ago 14.89@89 was my best, without changing anything other than my driving I have dropped 2 10th and I'm sure I can pull 1 more out of it) now on street tires, every time I have run it down the track I pull a fatser ET. I'm still learning to launch it just right. I suspect that the 4.9 with Auto is really capable of 14.5.

BTW Punisher you stoll my avatar from another forum? I use the will Ferrell one on another site.

Did you even read my post ?

And the sad truth is.... a person that hijacks every post that invovled a 4.9 is a troll in my book..... Sorry that I hurt your feeling I was actually trying to be nice by not naming any names you already named yourself so there. And it is very possible to run mid 14s with a pfi 4t60e setup.... I had to take time out to laugh when you said that it couldn't do mid 14s on slicks because alot of the caddy trannies is geared where you barely squeek the tires..... So answer this.... Why would a car that barely squeeks the tires need slicks ? There actually a bit heavier.

oh well im done with you...... When you claimed that you could get a 2.8.... Up to what? 200hp for only $500bucks?... then when everyone questioned you your only remark was nitrous on a tired 2.8 I just shook my head.

So 14s is good but there's alot more to build on with bolt ons alone and im not talking about using nitrous on a tired 4.9

RUN THE 100 SHOT , YOU WILL KICK ASS!!

I talked to PBJ today... you need the nitrous. no candy ass 50 shot.. 100 or nothing!!!

JM