Selecting a supercharger
12-21-2012, 04:32 PM
#21
Registered
Join Date: Oct 2000
Location: Fresno, CA, 93722, USA
Posts: 1,436
Likes: 0
Received 4 Likes
on
4 Posts
Having the same problem Jason . I put together a pair of 598's and I did a lot of home work on this and my thought is the 8.3 whipple will make between 1100 & 1200 with no problem . Just having a hard time spending 21 K per motor then another 10 K per side to switch out my XR uppers for SCX's . I feel your pain !!!!!!!!!!
For a 598ci, with a roots, you would need a 1471, you should run a billet housing, billet rotor, non-teflon, high helix, front discharge and you'll be close to 1000hp on pump gas. But after you cut the hatch, by the carbs, pumps, reg, ignition, belt system.....
But look at resale, the days of the big belt system, carbs or EFI with carb look, giant scoops are the past. You can make all that power, plus more, under the hatch, with fuel psi, oil psi, oil temp, coolant temp and knock sensing that gets good MPG (for a boat lol) that doesn't need restripped or rebuilt every 3 years, idle at 800rpm with option shift interupt.... Truly no comparison.
12-21-2012, 04:45 PM
#22
Registered
Join Date: Oct 2000
Location: Fresno, CA, 93722, USA
Posts: 1,436
Likes: 0
Received 4 Likes
on
4 Posts
Thanks for the info, but not really enough to make an educated decision. I guess what I will do is list every maker of supercharger on a spinning wheel then spin it like I'm playing wheel of fortune and whatever manufacturer the wheel lands on I will order the most expensive one from that manufacturer. LOL! It is very hard to make a decision when everyone claims they make the best supercharger out there and nothing else compares. I do not have the bank roll to start trying them all to see what really is the best.
PSI's really are not for most. They have HORRIBLE distribution, they do not idle without a lot of work. There only good if you know how to set one up, there extremely hard on belts if your making some power, there hard on crank shafts (if you don't have a bryant or similar). If you don't get the right housing/rotor combo, then they are not very good at all. Also, they have 6-9 month lead times, how is the warranty/service after that lead time?
Roots are the cheapest option and do well when the motor is built around the SC. High compression, low boost, big carbs or billet throttle bodies. Proper size sc for engine. But they don't idle well, horrible on fuel economy because so much fuel evaporates while it takes heat away going through the rotors, are extremely tall, belts are typically very loud, most wear and need to be rebuilt.
12-21-2012, 09:22 PM
#24
Registered
12-23-2012, 12:18 AM
#25
Banned
Join Date: Mar 2008
Posts: 981
Likes: 0
Received 0 Likes
on
0 Posts
Thank you for the info Dustin. I was just posting the numbers that I was quoted from a west coast dealer at the miami boat show . And yes I agree the EFI whipple set up is a much more efficient set up than a root's deal . When the time is right I will call you .
12-25-2012, 08:10 AM
#26
Registered
Join Date: Jun 2009
Location: GA
Posts: 59
Likes: 0
Received 0 Likes
on
0 Posts
Jason 3603 Do yourself a favor and buy a 1071 or 1471 from The Blower Shop for around $5500 and have fun. Don't let Whipple charged or anyone else
try to sell you a Whipple you do not want and cannot afford.
try to sell you a Whipple you do not want and cannot afford.
Last edited by addfrimodig; 12-25-2012 at 01:16 PM.
12-25-2012, 08:14 PM
#27
Registered
Join Date: Mar 2002
Location: Livonia, Michigan
Posts: 360
Likes: 0
Received 0 Likes
on
0 Posts
Jason, look into Scorpion racing in Livonia. Not far from you and does great work. They have an outstanding resume and their shop is impeccable. Contact Frank McCommas.
12-27-2012, 10:06 AM
#30
A high helix 10:71 with the triangulated type discharge might be a good choice. Bds, littlfield, Tbs...all good choices. You might have to be careful on manifolds due to distributor clearance. What compression are you running and do you plan on running a chiller?
