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What would be a good compressor and turbine A/R for our engines? I wouldnt want it to take too long to spool up, but I would rather be a little bigger than a little smaller.
Based on what I've been reading, it seems a few people think that both of them should be in the .60's- is this accurate? Thanks alot!
All gone :(<br />Best ET ever: 14.3 (I think)<br />----------------------------<br />Check out my site for exhaust clips, burnouts, and pictures, and the supercharger throttle body mod.<br /><a href=\"http://www.geocities.com/net_addict/index.html\" target=\"_blank\">Click on the Firebird</a>
When trying to decide on an A/R ratio you want to keep your converter size in mind. For a 12" stock stall converter, a .69 a/r works well. Running a .81 on a 12" converter will make the car very doggy on the street.
Hope this helps,
Morgan
\'87 Grand National (11.08 @ 120, stock motor & heads with 159K miles and bolt ons only. UPDATE: New motor 09/01/03-- ported irons, 212/212 cam, T66 turbo, 72# inj, big front mount I/C) <br />\'99 Regal GS supercharged (14.001 @ 99 on the OEM Good\"rock\" LSs) <br />\'96 Roadmaster Limited LT-1 with some of the more popular Impala SS mods; my stealth Impala SS.
I have a manual, so there is no worry about convertors. What do you mean by "doggy"?
All gone :(<br />Best ET ever: 14.3 (I think)<br />----------------------------<br />Check out my site for exhaust clips, burnouts, and pictures, and the supercharger throttle body mod.<br /><a href=\"http://www.geocities.com/net_addict/index.html\" target=\"_blank\">Click on the Firebird</a>
Ah, I assumed you were running an auto. "Doggy" means it'll run like a pooch on the steet, i.e., a large A/R housing/large converter combo won't spool. An .81 with a manual would still be too big, IMO. As for a compressor size, something in the TA34 to TA49 range would give you room to grow.
[ December 02, 2002: Message edited by: Morgan ]</p>
\'87 Grand National (11.08 @ 120, stock motor & heads with 159K miles and bolt ons only. UPDATE: New motor 09/01/03-- ported irons, 212/212 cam, T66 turbo, 72# inj, big front mount I/C) <br />\'99 Regal GS supercharged (14.001 @ 99 on the OEM Good\"rock\" LSs) <br />\'96 Roadmaster Limited LT-1 with some of the more popular Impala SS mods; my stealth Impala SS.
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