Supercharging a low comp 360 thoughts
#2521013
07/12/18 01:38 PM
07/12/18 01:38 PM
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Joined: Jan 2013
Posts: 53
Fort Collins, CO
justintyme
OP
member
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OP
member
Joined: Jan 2013
Posts: 53
Fort Collins, CO
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So here's the back story, Just bought a Dodge Aspen 1978 supercoupe, with its e58 360, auto 904, and either 2.94 or 2.73 gears. Untouche shortblock as far as I know with edelbrock performer intake, heddman headers, and edelbrock carb. It's pretty lazy, and I have only driven it in ND, it will be even worse here in Fort Collins CO at 5000 ft. Now I haven't tuned it any other than adjusting the Kickdown, and it's previous owner has and HEI style proform distributor in it. And if the carb and timing are as far out of adjustment as the kickdown lever was I am sure I can improve it a bit. But....
Has anyone ever just bolted on Centrifugal Supercharger like a Torqstorm on one of these? For a little over 3k investment seems like it could be a lot of fun and boost really helps at high altitude. I know cast pistons arent great for boost but it's low compression and If it's healthy enough to handle it for a while it could be pretty darn fun, and then once it dies, build an engine specifically for it and really have fun. This will be just a street car, I probably won't go over 3.55 gears in the rear.
What do you think, try it? Or ....??? Nitrous???? LOL
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Re: Supercharging a low comp 360 thoughts
[Re: justintyme]
#2521029
07/12/18 02:02 PM
07/12/18 02:02 PM
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Joined: Aug 2003
Posts: 43,127
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,127
Bend,OR USA
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If you limit the boost(I would stop at 5 to 7.0 lbs.) and tune it so it won't ever detonate you may be able to have some fun while you save for the next, better build for the supercharger. I would look at one of the water and methanol injection adder kits(Snow brand maybe?) under boost for added protection also  Don't forget that the carb. needs converting for the blow through application, don't try running it without that!
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Supercharging a low comp 360 thoughts
[Re: justintyme]
#2521167
07/12/18 07:56 PM
07/12/18 07:56 PM
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Joined: Jan 2003
Posts: 11,710
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,710
Portage,michigan
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So here's the back story, Just bought a Dodge Aspen 1978 supercoupe, with its e58 360, auto 904, and either 2.94 or 2.73 gears. Untouche shortblock as far as I know with edelbrock performer intake, heddman headers, and edelbrock carb. It's pretty lazy, and I have only driven it in ND, it will be even worse here in Fort Collins CO at 5000 ft. Now I haven't tuned it any other than adjusting the Kickdown, and it's previous owner has and HEI style proform distributor in it. And if the carb and timing are as far out of adjustment as the kickdown lever was I am sure I can improve it a bit. But....
Has anyone ever just bolted on Centrifugal Supercharger like a Torqstorm on one of these? For a little over 3k investment seems like it could be a lot of fun and boost really helps at high altitude. I know cast pistons arent great for boost but it's low compression and If it's healthy enough to handle it for a while it could be pretty darn fun, and then once it dies, build an engine specifically for it and really have fun. This will be just a street car, I probably won't go over 3.55 gears in the rear.
What do you think, try it? Or ....??? Nitrous???? LOL
Know somebody local who literally took a junkyard 360( have no idea on year) bolted on a torq storm, took it to the track and went 11.70’s without whipping on it. Dart Sport.
Last edited by B3422W5; 07/12/18 07:57 PM.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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