Thinking about a 416 stroker....
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Pro
Joined: Sep 2015
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From: Binghamton New York
2024 C6 of the Year Finalist - Modified
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Thinking about a 416 stroker....
Pros and Cons ? Looking at the Texas Speed kit for my GS LS3 auto. I did the TSP cnc port and mill with a Pat G spec cam with his tune last year and it dyno'd at 450 rwhp. Runs great but I occasionally track and Autocross and looking for a little more grunt. I'll check with him to see if it will need a different cam but looking for input from those who have done it.
Le Mans Master
Joined: Dec 2005
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From: Southeast TX
I have a similar plan in mind if my LS3 ever goes **** up. Either Tx Speed or Thompson will do the work. I also have Tx Speed milled and ported stock heads along with a ported and rod modded intake manifold. I thought about going a little bigger than 416, but I'm afraid I'd need more cylinder head. Might even need a better set of cylinder heads if I stop at 416. I'm running a 226/234 115lsa custom Cam Motion cam now. I know the cam needs to be upgraded, but don't want to go so big as to lose any drivability. What cam are you running now?
Last edited by old motorhead; Feb 14, 2021 at 02:26 PM.
Thread Starter
Pro
Joined: Sep 2015
Posts: 605
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From: Binghamton New York
2024 C6 of the Year Finalist - Modified
2024 C3 of the Year Finalist- Modified
2018 C1 of Year Finalist
I have a similar plan in mind if my LS3 ever goes **** up. Either Tx Speed or Thompson will do the work. I also have Tx Speed milled and ported stock heads along with a ported and rod modded intake manifold. I thought about going a little bigger than 416, but I'm afraid I'd need more cylinder head. Might even need a better set of cylinder heads if I stop at 416. I'm running a 226/234 115lsa custom Cam Motion cam now. I know the cam needs to be upgraded, but don't want to go so big as to lose any drivability. What cam are you running now?
Last edited by Raffman55; Feb 14, 2021 at 04:30 PM. Reason: Sorry for the large pic
Thread Starter
Pro
Joined: Sep 2015
Posts: 605
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From: Binghamton New York
2024 C6 of the Year Finalist - Modified
2024 C3 of the Year Finalist- Modified
2018 C1 of Year Finalist
Mine is close to yours. I have a auto with stock converter which might have to loosen up with that bigger motor. I hope I can still run the heads I have now.
Thread Starter
Pro
Joined: Sep 2015
Posts: 605
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From: Binghamton New York
2024 C6 of the Year Finalist - Modified
2024 C3 of the Year Finalist- Modified
2018 C1 of Year Finalist
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Racer
Joined: Jan 2020
Posts: 341
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I had Mamo spec me a 416 kit. We ended up going with a Manley balanced rotating assy with htuff rods and weisco -15cc dish pistons. That will put me at 10.25 to one. Heads will be afr 260x castings that Mamo will do his magic on aiming for 69cc chambers. Foking expensive but well worth it. I’ll probably have tsp do the work since they are down the road from me. My sbe is pushing close to 800whp now so I’m hoping to have all this done later this year. Mamo is top notch, trustworthy and utilizing his expertise and talent is well worth the added costs.