So, I just got my friends rx. I'm robbing all the parts and putting them into my '84. I'm kinda lost on what to do with the engine though. It's half brdgeport, half streetport. It has no intake componants at all. When my friend bought it it had a supercharger. He sold the supercharger setup and tried putting a turbo setup on. He had problems getting it to work, so he sold all the turbo goodies. Now, the question I'm stuck with...what do I do. Do I get another supercharger, or try the turbo setup? My friend told me to just put a 650 cfm holley on. I'd love some input from everyone as to what would work good. I know this is one of the motors from Calgary, so maybe someone knows it and knows what it needs.

Also, the car came with two msd boxes. I was reading up on direct leading ignition a little bit today, but only found anything with one box. Could I use one box for one leading coil, and the other box for the other leading coil?

Thanks everyone
Brett

 

It will work great with a camden 7". A turbo will produce better topend power but be a little laggy. If you just go with a racing beat intake and a holley 650 the top end will be good, but midrange will suffer (tried it already)

 

such a shame he didn't keep the freshly rebuilt camden on it!

 

Find a Rotary Engineering dual DCD carb setup. That will give the 1/2 bp some street manners, as long as it's the secondaries that are bridged.

 

www.sterlingmetalworks.com

Sterling has a supercharger for sale cheap on his forum (click the BYMC button). Or, he can probably set you up with a carb for that motor...

 

The primaries have the bridge

 

You'd have to have some farbrication knowledge and a standalone to make this thing work.

 

Why would they bridge the primaries instead of the secondaries? I thought it was more logical to have the SP on the primaries for low throttle driving.

 

Yeah seriously, whats up with that? That makes no sense at all

My dream setup is a 12a with mild ports on the primaries and large bridges on the secondaries, fed by a Holley 390 Double Pumper. I'm getting there one part at a time

 

I don't know much about bridges, but I do have a dual mikuni set up that might work if you decide to stay carb'd.

As for the turbo vs. supercharger debate. I never understood the allure of the superchargers on rotors. Here we have an engine with the some of the most exhaust energy possible, capable of spooling turbos much larger than a comparable piston engine, and you just want to get rid of all that potential and run a belt to the charger? what a waste.

and as for the msd boxes, yes you can do one on each leading coil though I'm not sure how you'd wire it up with a distributor. If you chose to go with an ecu, it's not too hard to wire up as that is what I'm using. you basically ditch the wastespark configuration to get true sequential ignition for your leadings, so they funtion similar to the trailings. I'm sure someone on here could tell you if that'll work with the distributor.

 

Too true, depends on the application. The camden makes for an awesome daily driver, with a bridgeport it gives great midrange and off idle performance which a bridgey lacks. Great for autocross especially. If you want full power potential, and maximum peak hp, than a great turbo set up (standalone, etc) can provide double the hp of the camden. Higher cost too factoring in the standalone, good quality turbo, etc, however many have fabbed stuff up for less. If you want to race at the track, and can't afford the boost, go with a suitable carb, rb intake and spay some juice.

For me, I plan to be the first (next year) to blow through my camden using a holley, a locked dizzy and a buddy's bnr stage 3 turbo. This year is new paint and nitrous

 

True, when it underwent a rebuild the owner wanted it bridgeported. The streetport on the endplates was already too large to facilitate a bridge but the primaries still had room. I say get a holley 650 double pumper, 1" open spacer and spray a 100 shot down the bitches throat and she'll fly!

 

I get what you're saying, but the only added expense of the turbo is in exhaust fabrication (header/wastegate). other than that, the tuning/fuel issues are identical.

what I'm getting at is: cheap turbo=cheap SC

 

I love this site. I've learnt soo much stuff from here. I like the idea of the 650 and the nos. I use my car as my daily driver in the summertime. I have a '79 chev pick up with 9" lift and 38" tires for the winter. I don't have my drivers license right now, and I don't get it back until next June. I got nothing but time to do whatever with it. I don't know if I'm really ready to go with the turbo setup. I know Kevin had a hell of a time figuring it out. Could I just buy any 650 double pumper, or would I have to get one from racing beat? I have a racing beat intake and 465cfm holley I just bought from a user on here in the winter which I haven't even started yet cause my heater control vavle blew 2 days before my birthday and I just finally got my dash out the other day. Thanks to the donor car I got one now. Can I use that intake, or would I have to get a different one?

 

That intake and carb will be just fine, if you cannot figure out the omp then pre-mix instead. Invest in the nitrous and you're good to go. What clutch are you using? I would suggest the rb street/strip

 

Kev told me it had a centreforce clutch and an 8lb flywheel. And did I understand you right, I can use the intake and the 465 that I already have with no problems? Just need bigger jets?

 

yep

 

For right now brett just put your holly setup and RB exhaust, and just wait for good deals on parts here on the forum.
rejet the carb and try it out, you already have the parts so you just need the jets.
I am regretting selling the car but I have another one.. I think I am going to do a TII swap into an 83. I was going to drop a 350 in it and make a dedicated drag car but I got the rotary itch again.