99 Miata turbo going V8
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99 Miata turbo going V8
Ok so I go by Mach5 on miataturbo.net I have been on there for a while now. I have a 99 miata with build motor FM Hydra II turbo set up and making about 260 to the wheels. I wanted to go over 300 and realized I would have to switch over to E-85 and I believe the motor would start to get shaky at best at 400-450. So I have decided to sell the whole lot and go V8 instead. Due to budget restrictions I believe I will go 302 at this time but I am up for suggestions. I just would like to get 300-400 out of a 302 with moderate build. Maybe eventually supercharge it. Well glad to be on here. And open to any suggestions. Thanks guys.
Last edited by six; 12-01-2010 at 06:34 PM.
#3
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Horsepower wise you're not to far off from now from where you'll be with a built 5.0. I have a 331 stroker with GT-40 intake and heads and am only making 270 rwhp (about 350 crank). That said, I also have 311 foot pounds of torque to the rear wheels which is impossible to achieve with a boosted Miata engine.
With a 331 crank, aluminum heads, GT-40 intake, some kind of cam and the electronics to support it you'l make over 300. With a supercharger no problem.
Note also, my numbers come via a Mustang Dyno. Tose with high numbers tend to use the "other" dyno.
Good luck, feel free to email me with any questions,
-Jason
With a 331 crank, aluminum heads, GT-40 intake, some kind of cam and the electronics to support it you'l make over 300. With a supercharger no problem.
Note also, my numbers come via a Mustang Dyno. Tose with high numbers tend to use the "other" dyno.
Good luck, feel free to email me with any questions,
-Jason
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my last numbers where on mustang all wheel dyno I am familiar with the power diffrence at this state I feel my motor only has so long before it breaks again. I will not have to worry about that with the 5.0 will run all day.
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So I was looking at 331 stroker kits. So the 331 crank is that just, a 331 stroker crank with stock rods and pistons with no bore? And your GT-40 intake is that a GT-40p out of a explorer or bronco? Looking for cheap power so whats the best way to get 300hp on a budget of around 1k or so. I am open for recommendations. Have been reading my but off on several forums as of late.
#6
302s are cheap. Parts are cheap. Seen 306's lay down 1100 HP easy (r block though).
http://www.youtube.com/watch?v=d7eIV4Oa2WI
Thats the type of power you need
http://www.youtube.com/watch?v=d7eIV4Oa2WI
Thats the type of power you need
#7
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Yeah I am looking at .30 over bore. 331 kit Scat/probe kit. maybe gt-40 heads or 351 heads. Anyone have any good sites for kits looked at Dss and some others.
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