421CID stroker from texas speed

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Sep 8, 2011 | 03:50 PM

#21

LS6427

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Quote:

Originally Posted by Firehawk441

I have to agree with all the others. It's not a desireable combination to use for ALL the reasons mentioned and a number more that I won't get into.

There were however 2 people that were very succesful with a 421. Tom the Roofer and Tim Tosto. Once upon a time they were the 2 fastest N/A cars.

Morgan Motorsports made the first 421ci IIRC............that was big time back in 2000.....

I thought Tom the Roofer had the Aggressor 500 Head/Cam kit from Morgan Motorsports back when he was running 10 second 1/4 mile times......

.

Sep 8, 2011 | 04:23 PM

#22

02sslayer

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From: longview, wa

i think im just gonna go all out and build an LSX 454, thats the motor i really want more than anything else....so thats the one i will have when the time comes

Sep 8, 2011 | 04:31 PM

#23

Firehawk441

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Quote:

Originally Posted by LS6427

Tom the Roofer went 9.56 @ 139.9 with a 421 and a glide in August of 2007.
Sometime later he went 9.55 @ 140 which I'm fairly certain was his best.

Tosto went 9.71 @ 141 with an M6

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