Get some "PB Blaster" and let it soak for a while.  That should help.  There is a better type of penetrating agent, but I'm not sure which.  Then there's this stuff called "Liquid Wrench."  Spray it on the tip of the screw driver and go to it.  Also, some screw drivers have a hole in the handle.  Stuff another screwdriver through there and turn.  Some also have a nut more or less welded to the base of the shaft.  Apply a metal wrench.  Be careful not to strip it out or you'll be buying a screw extractor kit (a good idea anyway) or welding a metal rod to the head of the screw.

My Savage is a 2002.  38mm Amal MKII
Exhaust is a small Indian can made by supertrapp with 23 or 24  3 inch internal disks. sounds great - but-needs more fuel than i can get from stock carb with stripped jets (don't ask - I got it that way)
I,ve soaked it with liquid wrench,wd-40 and other penetrating solutions for several days now - think I'll just get one of those exractors that you can put a wrench on and hope the heads  don't snap off the screws.
As for the jetting - I'm a bit of a grump about tinkering - I just want this thing to go so my almost better half can cruise in style...SO.. if you could keep me posted on your jetting results I'd really appreciate it.
Which Amal do you have and what exhaust are you running?

Yep I had the same issue to remore the stock carb had a impact driver and all, heads where like butter, just took a rotary drill and cut the heads off the bolts, clean and smooth without wrecking the intake mainfold, then the intake mainfold came off the bolts, and the leftover bolts came out very easily with pliers once there was no pressure on them.  (Just to confirm that the intake manifold is the piece holding the carb to the cylinder, did not know its name.)  May not be the answer of choice, but it worked for me.  as far as I know Lancer is running a 230 jet in a 36 mikuni carb at this time.  but I am open to correction.

Chances are the Local Dealer, and or Bike Shop can help you out, just phone around and ask if they have main jets for a amal carb, I have had no issues getting jets for the mikuni carb, at the local bike shop.  Good Luck.

found this place for jets http://northerneagle.ca/triumph%20Intake&Fuel%202.htm
we ordered 230,240,250,260,270 not sure witch one we used yet cause it still in the shop. as soon as I know I'll post for you

using the air filter cone that lancer sent with the carb

 Re: carb
« Reply #5 on: May 28th, 2006, 10:34pm »  Quote  lancer Modify  

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The factory air filter will definitely restrict air flow, I would advise using the aftermarket filter... it will help a good bit with more power and aid in your jetting job.  The main jet needed will depend on the engine, carb, filter, exhaust, and ??.  Go down one size at a time until the bike runs strong at full throttle without bogging down.  Stop at that point on the main jet.  
Then check the midrange ... which notch on the needle does it run best in the 1/4 to 3/4 throttle range.
Then the pilot jet setting that makes the highest rpm @ idle...should be between 1 & 2 turns out...less than 1 turn out and it needs a larger pilot jet...more than 2 turns out and you need a smaller one.  
When tuning a carb, it is all about "throttle position", 1/4 or 1/2 or 3/4 or full throttle, not mph or rpm (except pilot jet).

For just getting a few jets to tune with you will do better getting them locally, it will save you shipping costs.   If you are unsure of the jet size just pull them out and look...it is printed on the main and pilot jets.  Sometimes a magnifyer is helpful.  

This is a good place to review some tuning stuff.  

http://www.mikuni.com/fs-tuning_guide.html

lancer is the best to help send him an instant mess. also I have a thread a coulpe pages back with the subject carb that may have some usefull info for you
good luck and let us know how it turns out. and just so you do not feel alone I got my carb last sept. and there is some other things that I needed to do first like have lancer make a custom throttle cable and then never really got started on it until april. then took it to a shop about 30 miles away and they had it for two months and did nothing with it. then was going to try it myself and went to the stealership to order some jets and after taking to the mech. that I know was even more confused so I let him take it and he said he would keep the cost down for me. the funny thing is that the amal goes on triumph and the stealership sells triumph along with suzuki but could not get any jets for the carb