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Thread: Ex-Ricer needs LS1 advice.
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07-05-2006, 01:19 PM #1
- Join Date
- Jun 2006
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- rockford, IL
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- 40
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- 9
Black- 1993 Mazda RX-7
Ex-Ricer needs LS1 advice.
Ok, so I'm new to this board and officially done with import tuning. I have a 93 Mazda RX-7 that I plan on swapping a 372 LS1 into (already have the motor in my garage, and a 6-speed tranny on order.) I'm using the sub frame and cooling parts from Hinson Supercars, but what I need to know is, where is a good place to start for 500hp WITHOUT using any forced induction? If I need to beef up the bottom end that's fine by me since i planned on it anyway. I want to get between 500-550 hp at the wheels but I honestly need some advice on getting started. I might set up a turbo system eventually, but for now I want all natural power...
Thanks Guys
Dan
p.s. If anybody wants a single turbo 13B, I have one for sale...lol
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07-05-2006, 01:56 PM #2
Best MOD out there for an LS1 is a camshaft really... Now would be a great time to slap one in since the motor's out... Get some bolt-ons (intake manifold etc.).
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07-05-2006, 01:58 PM #3
- Join Date
- Aug 2005
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- Texas Department of Corrections
- Posts
- 18,128
- Retired Outlaw Sum Bitch
Hey man...congratulations on your recovery and welcome....
LS1 motors respond well to bolt ons....heads/cam/intake/headers/exhaust ..
there are tons of aftermarket setups...AFD/Patriot heads/cams out the wazoo so forth and so on.....and ome damn fine gearheads here on ls1.com...
Firstly I would look at a minimum of 90mm intakes and throttle body....minimum of 48lb injectors....minimum of 230'ish/600'ish lift cam...heads that flow minimum 300+cfm @ .600....some great head/cams setups out there right now....Patriot Stage II's w/T Rex cams or Street Sweeper cams are putting down 500'ish right now....I at 540 all N/A w/ 402 Stroker motor in a 04 GTO...
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07-05-2006, 02:13 PM #4
- Join Date
- Jun 2006
- Location
- rockford, IL
- Age
- 40
- Posts
- 9
Black- 1993 Mazda RX-7
Thanks a million guys. I have the cam, crank and pistons out of the motor right now, so i think this would be a good time to get some parts on order. I pretty much have to use the Hinson headers (there's almost no room in the rx-7 for anything else) I got so sick of working on these stupid 13B washing machine motors, i thought I was going to tear my hair out...lol It's time for something a but different. I can't wait to get this thing out on the street. People around here (Rockford, IL) know me for my car, and I think it's going to be quite the surprise when it actually kicks out some torque...
Thanks for the help guys! I'll keep you posted...
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07-05-2006, 03:06 PM #5
is your RX-7 a 1992 or 1993?
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07-05-2006, 03:36 PM #6
- Join Date
- Aug 2005
- Location
- Little Rock, Arkansas
- Age
- 41
- Posts
- 2,255
- 1966 Corvette Coupe
HOLY AGED HOTRODDER BATMAN!!!!
wooot its SAAAARGE....
-me
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07-05-2006, 05:28 PM #7
- Join Date
- Aug 2005
- Location
- Texas Department of Corrections
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- 18,128
- Retired Outlaw Sum Bitch
Old gearheads rule
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07-05-2006, 10:13 PM #8
If you didn't order the lower assembly yet get forged pistons and rods....The crank will be fine though, but you will probably want forged pistons and rods if going over 500 horse though, but otherwise I agree with Sarge as far as what your gameplan should be. The T-rex would be just a tad big for my preferences on the street, but for you it might be fine........
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07-06-2006, 05:18 AM #9
- Join Date
- Jun 2006
- Location
- rockford, IL
- Age
- 40
- Posts
- 9
Black- 1993 Mazda RX-7
Sorry, It's a 93. Typo's suck...lol
I already have a crank on order, I figured it's better to play it safe.
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07-07-2006, 02:06 AM #10
cranks are good generally for up to 850 horse.........the best piece stock of the entire motor. If you are going to go with those type of HP numbers invest in an engine girdle for it.
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