I got a MPII with plenum for a stock motor my horse power gain was
29.7 rwhp.Others claim a 50 rwhp with heads and cam.I had to install
#42lb injectors for the motor not to lean out.Mp claimed a HP gain of 80.
did not happin with a stock motor with bolt ons.I am glad I bought and
installed it though.It was the best bolt-on I did.At that time .
I payed foregot the exact amount $2000.00+.This included polished,
ect.I had a brand new blower still in the box,it cost $400.00 .I sent
to MP to get it ported.It now has about 4000 miles on it.
I am going to sell it very soon.It looks brand new no scratchs in
blower or on rotors.Part that will go with it will be.
Polished MPII blower, polished MP plenum,I have polished stock IC tubes.,
polished 3/4 top, #42injectors,76mm C&L MAF,3'' cold air tube chrome,
polished throttle body 75mm,Chip burnt by Brian Herron.This is for a
1990 AOD Bird.
I bought a MagIII they claim a hp gain of 100 hp.I think it will give
me maybe 55 rwhp gain over a stock blower.It cost $2200.00.
Plus I will need a new chip $350.00,another $200.00 to $300.00
to tune chip.I will need a larger MAF another $350.00,and larger
injectors another $$400.00 and 85mm throttle body $350.00.
Plus you will need to buy two pullies to over drive it to get it
to work right.Count on spending $200.00 or more for them.
ANd you need $350.00 for core charge or a core.this is included
in my $2200.00
The best bolt on blower would be one from SUPERCOUPES UNLIMITED.
With the A/R blower, You will get 80 to 100 rwhp gain ,with a stock motor.
More with cam and heads.Of corse you will need a larger MAF
& INJECTORS,&TB. But this blower comes with chip,tune,and support
to get it on..The other blowers come with zero support.So by far
this is the best bang for the buck as far as blowers go right
now for are super coupes.I have this blower to.This blower also
comes with needed pullies.
Hope this is some help for you.RANDY.