New engine swap, 4.9 V8 to a 2.0 4 cylinder (Page 3/34)
Dennis LaGrua JUL 09, 04:18 PM
Boosted those engines put out 165 HP @ 170 ft lbs torque. If you up the boost with some mods you might get 100HP per liter (which is considered excellent). Point is that you'll be back at the 4.9L horsepower level with greatly lower torque but with less weight and most likely better mileage.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, 3.4" Pulley, N* TB, LS1 MAF, Flotech Exhaust Autolite 104's Custom CAI 4T65eHD w. custom axles, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

FieroMaster88 JUL 09, 04:42 PM
It's in, it runs and I drove it home. No pictures today. It was 100 degrees in the shop and I just wanted to get done. I have to hook up the speedometer, air fuel ratio gauge and fuel pressure gauges still but thats for another day. I forgot how big of a pain it is to bleed the clutch out. Took forever. After driving the car home (15 miles mix of city and highway) I can say I am way happier with this swap. It does not have the torque of the 4.9 but once it's going it accelerates faster. I can tell there is less weight back there too. The car handles differently now for sure. The boost is only at 6 PSI and I don't want to adjust it until I get the wide band 02 sensor hooked up. I have to check the timing still too. I'll get some pictures and video's soon. Now time for a shower and go to dinner with the wife.

Oh, one of my future mods I have planned is to install an intercooler. I have to figure out what will work and where to put it but that's for another day.

[This message has been edited by FieroMaster88 (edited 07-09-2011).]

JamesCurtis JUL 09, 07:58 PM
I'm anxious to see the pics. I'm sure it'll be a lot of fun once you start cranking up the boost too .
FieroMaster88 JUL 10, 07:13 PM
Here are some installed pictures I took today after I washed all my fingerprints off the car.




I want to redo the exhaust with a couple small glass pack mufflers and 2.5 inch pipe. It should flow a little better that way. I plan on ordering the piping and the intercooler tomorrow. Once I get that stuff done I'll up the boost a little.
Rallaster JUL 10, 11:15 PM
Looking good!

How's it driving for ya?
mattwa JUL 10, 11:24 PM
Looks really nice! However, If I were to do that turbo swap, that backwords Turbo would really annoy me, to the point that I'd rather remove it then keep on it like that.
pontiackid86 JUL 10, 11:47 PM
Your doing it wrong you cant take a V8 car and drop it back down to 4 cylinders.... thats like cutting half the bulls testicles off during a bull fight... it pisses the bull off even more


Lol all kidding aside you cant go wrong with boost. turbo is addicting.
unboundmo JUL 11, 03:35 AM
I know pontiac kid... crazy.... At least go to a v6 turbo... It looks good though. Let us know what you think.
FieroMaster88 JUL 11, 07:11 AM

quote
Originally posted by Rallaster:

Looking good!

How's it driving for ya?



It drives great. I'm going to wire up the speedometer and stuff tonight after work.
La fiera JUL 11, 07:24 AM
Nice Job!! Cant wait to see the dyno numbers and a nice video!!