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At 18 psi that thing should scoot. Check wide open tps volts. You might not be getting full fuel/timing. probably why the boost is adjusted up to try to make more power.

Yes .haven't been here in a while.will try to get pics.

85 gn. Seats non power. Front and rear I got from Mease long ago.decent shape. Near Chicago. 450 or best. Do need trans core.ported heads.or roller cam.

Next. If you have can card would like info.apierce72@Comcast.net

Have rebuilt turbo with ta49 wheels stuffed in it and new gate.would consider 850 plus core

Have ATR headers and crossover. 650 an adjustable waste gate from Poston new in box. 100. Do have the ATR down pipe coated .still on car right now but will pull off for 250 .All ATR stuff stainless .no shipp included

Have an 84 gun header panel grill has some fins broke no headlight buckets but has headlight surround. 250 shipped

I have a front 84 1 piece gun air dam. 225 shipped

have a regal with 455 setup for race,2 fuel pumps ,moser 8.5 setup with big bearing axles -4.10 gearpro shifter,400 trans,alum rad with elec fan,manual steering box,lakewood antiroll bar on rearend.6 point cage, gauges in hood cowl all autometer.car ran 12.50 106mp added new intake and carb...

and check your throttle position sensor. most dont reach full voltage at wide open throttle.i had to drill and file out the bolt slots so i could get .57 volts at idle and 4.81 at wide open.this would be the most important tune you can start with. when i started tuning wide open didnt even...

i have an 87 hooker exhaust on mine with a test pipe and an ATR 2 1/2 downpipe so it doesnt have the 84 flange welded on downpipe. along with a 3000 torque convertor and more boost it breaks tires loose heavy throttle around 15 mph and on second gear shift.has a nice tone with dynomax superturbos.

get catback and 87 cat convertor(or test pipe) cut off bolt on flange or weld on pipe to downpipe.

Change over to 87 exhaust, 3000 convertor,ta33 turbo, adjustable fuel pressure regulator, get a chip burned,cold air intake ,throttle body bored out.downpipe. Tune maybe champion heads and intake and cam. Can do a lot with 84 if you look

4.1 engines are rare around here.my 65 has a switch pitch convertor. I can get it rebuilt by trishield To flash 2800 hi stall and 1500 low stall. I found a vortec charger locally .I'm gonna get champion irons and a 4barrel intake and push for 400 HP.

250 or 300 street cruiser .

Where is the fun in that. I could throw an intercooled motor in it but where would the wow factor be

Horsepower wise. stock n/a. A stock 3.8 does not have the same HP as a stock 225.

Looking to see what I can do with my 65 special. The 225 is stronger then a 231 so just thinking what I can do with what I have around the garage.Will a 3.625 crank fit a 225? Maybe a stroker with ported 84 heads and a 4 barrel. I'm not looking to put a intercooled motor right now just some...

will 84 heads fit a 225 v6?

88 to 91 3.8 pistons show a 1.377 compression hieght which could work and are cheap. how weak will cutting the crank to this size make it? should handle 250 to 300 hp? the long rods should help with low end. stock buick 350 pistons are the same as 3.8 pistons so that does little to help