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Discussion Starter · #1 ·
Hey guys i have alot more experience with the Ls1 than i do the LT1. SO I come to you for help. Do you think That I could do 420 rwhp and 400rwtq with a stock bottom end and naturally aspirated spinning through the stock M6 and the 10 bolt? This car is going to be a daily driver so if its a pretty radical setup then no. I was considering the Le2 setup but i havent heard much about it. Any suggestions would be nice. Thanks
 

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In most cases your lt1 tq will be higher than your hp. And i dunno it would take some money. It wont happen with the le2. And you will need a bigger cam. The problem with LE's work is that for one his cams are single pattern. And for 2 he gets your heads and sping the intake and exhaust til they are cut as far as they can possibly go and he reuses old valves. Depending on wheere you live i can setyou up with some SAM machinists graduats that run their own shop. LE is a garage man with little credentials and knows very little about engine building. He knows how to port heads and grind cams. I got these guys to talk to LE and they said he knows his porting but goes about it in a diff way than they do. I go to their shop all the time and WATCH their work. PM me if you want details.
 

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Discussion Starter · #3 ·
What about AFR Heads?
 

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Some say good things soem say bad things. I have never used them so i cant bitch one way or the other about them. Depends on what you want to do. Lt1 style or lt4 style. Lt1 style i liek edelbrocks but if it were me which ti is i plan to get lt4 heads port them with new valves and mahcien them. Also plan to do that to my stockers so i can run carbd motor every now and then.
 

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lt1 AFR heads are good, but not out of the box, they still need to be finished for big hp...
 

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Absolutely. Contact Lloyd Elliot or Advanced Induction. Both companies can get you there fairly easily with supporting bolt-ons and a tune.
 

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Vendetta said:
Absolutely. Contact Lloyd Elliot or Advanced Induction. Both companies can get you there fairly easily with supporting bolt-ons and a tune.
Yeah I was gonna suggest AI myself, a lot of guys around here praise their work.
 

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1970judge said:
In most cases your lt1 tq will be higher than your hp.
Not on a stock or 355 bottom end. Just doesn't have the displacement to really make a bunch of torque.

You can do 420 to the wheels through an M6/10 bolt setup, but you're going to need a GOOD set of heads and a very complimenting healthy cam. On the TQ question, not going to happen. About the most torque I've ever seen out of a 350/355 LT1 is in the 380's.

If you really want to get the car moving fast, talk to E&B Porting (did Joe O's heads) for the heads and get a custom cam from someone like Joe O, Brett Bauer, or Futral Motorsports.
 
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