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N/A 383 or BLOWN 350

 
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383n/a or blown 350
383 n/a with vortec heads and xtreme nrgy 268 cam (proven 407hp) which would cost less, but proably make less hp/tq than blown350
75%
 75%  [ 6 ]
350 Blown with Trick Flow 23 heads, 6PSI on pump gas, 9PSI @ the track on race(cost more due to purchase of blower, matinence?)
25%
 25%  [ 2 ]
Total Votes : 8

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RaG
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Joined: 20 Dec 2002
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PostPosted: Tue Apr 08, 2003 11:30 pm    Post subject: N/A 383 or BLOWN 350 Reply with quote

I'm just running in circles here,ive had plenty of great advice on engine buildups and just getting mixed opinions. I think a 383 setup with vortec heads(from scoggin dickey already machined) and a 268 cam, 383 rotating asseembly will bit a bit cheaper than a 350 blown setup but will make less power. Which do you guys suggest? Mainly street 71chevelle, some 1/4 mile passes. 350 blower setup may cost a little more, consisting of trick flow 23 heads, 350 rotating assembly, small blower cam. 350 blown setup will just cost more because of the cost of the blower. Paid 900 for it. What should i do, this is the final time. Time to make a move and stop making hasty and impulsive decisions.

Already have the 144 blower rebuilt, ready to mount on. Fits under hood

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Hanz
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PostPosted: Wed Apr 09, 2003 12:04 pm    Post subject: Reply with quote

Whichever way you go, you will always question your decision, right?

Sooooo..... put the blower on the 383!

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PostPosted: Wed Apr 09, 2003 1:09 pm    Post subject: Reply with quote

what about the ls1 option?
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RaG
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PostPosted: Wed Apr 09, 2003 1:41 pm    Post subject: Reply with quote

ls1 proably will consume too much time to swap in. Id love to do it tho, but I emailed a guy wth a 70s chevelle, he said is wans't such an easy swap, lots of customs parts needed, added up in cost. And that would be stock after i get it all in. LT1 proably would be a little more feesible. which is an idea. I made a hasty decison getting the blower, however its not like i can't use it. =)
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RaG
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PostPosted: Wed Apr 09, 2003 1:44 pm    Post subject: Reply with quote

http://community.webshots.com/album/52715670hecIbv

thats the chevelle ls1 swap

then i will run into shipping probs(or cost rather) with the lt1 ls1 swaps
wouldn't make sense to do a ls1 without the trans to would it?

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GTAracer
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PostPosted: Wed Apr 16, 2003 11:38 am    Post subject: Reply with quote

Are you buying new pistons? New rods? Crank?
383 cranks aren't expensive. Maybe you need a forged crank, forged rods, and forged pistons, but I don't see why you wouldn't slap the blower on the 383 Confused Sounds like the best plan to me.
I've been doing research on my 1st engine build. I have decided it would only be in my best interest to stay 355 if its just cost prohibitive, or the purpose of the motor is not high performance.

The Chevelle begs for bigger cubes and the blower Cool
My $.02

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RaG
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PostPosted: Wed Apr 16, 2003 12:07 pm    Post subject: Reply with quote

ill know exactly if i'ma do the 383 bottom or not when i get around to taking the block to the shop.

Because i think i'ma need to get a new balancer and flywheel anyway.
If the shop won't charge much more to do the 383 over the 350 i'ma do that. The 383 assembly will cost pretty much the same. I could run 6" rods with the 383, can't seem to find any low compression (around 8.5 with 74-76cc heads) that use 6" rods for the 350. Thats why i'm buying my heads, cam, and everything else first.

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