LS1TECH - Camaro and Firebird Forum Discussion

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-   -   408 shortblock, low miles (https://ls1tech.com/forums/parts-classifieds/1369003-408-shortblock-low-miles.html)

the jester 812 01-01-2011 01:40 PM

408 shortblock, low miles
 
soldok i decided its just too hard to get what i need out of my engine as a whole so i am selling my heads separate. i need to get 2500for the short block. now in the other thread i had some people come on and say such and such a place has short blocks for whatever price, but if you start adding in the options i have on this engine such as the double roller timing set and all top of the line arp fasteners, and ported ls6 oil pump the price climbs way up there. i have a short clip of the engine running with a torquer v2 cam, and will snap some pics soon. the heads are on right now but i will have them off monday and get some pics of the pistons which by the way are -3cc and i do have a build thread that shows the internals before they were assembled.
i cant really budge on the price as its already rock bottom and shipping will be at buyers expense. i have to get 2500+ shipping.
http://www.youtube.com/watch?v=OM98gnsGX_E
https://ls1tech.com/forums/generatio...step-step.html

ItzQuik 01-01-2011 02:47 PM

is this forged? also what is the compression? miles on the shortblock?

the jester 812 01-01-2011 03:15 PM


Originally Posted by ItzQuik (Post 14303816)
is this forged? also what is the compression? miles on the shortblock?

yessir it is forged, the compression depends on the heads you put on it, but with my 72 cc l92's it was at 11.4-1, ran fine on 92-93. the pistons are -3cc. the miles on it are around 1k maybe, probably less.

HydroStream6 01-01-2011 04:09 PM

That's a good deal. It'll sell. If I was in the market for a nice E85 motor this would be perfect!

TA6spdRDC 01-01-2011 07:46 PM

man i wish the compression was a little less:(

ItzQuik 01-01-2011 08:25 PM

sorry bro too much compression for my FI setup good luck with the sale :D

Demonicbird00 01-01-2011 10:21 PM

what block ls or lq?

thanks
brandon

the jester 812 01-01-2011 10:31 PM


Originally Posted by Demonicbird00 (Post 14305387)
what block ls or lq?

thanks
brandon

lq4 iron block

1SlowHoe 01-02-2011 04:03 AM

With the right gasket the compression gets better :D
10.7:1 if you go with .051
10.5:1 if you go with .060

Assuming those ARE 72cc chambers. The L92's are more like 69cc as cast which would explain his 11.4:1 ratio. It would take some pretty hefty port/polish work to get 72cc. You guys run some LSA heads and get 75cc chambers and you're looking at 10.4:1 w/ .051 gaskets.

I only type all this because I have the same 408 build and have been researching how to drop compression for FI.

Ok, I'm done, LOL:D

HydroStream6 01-02-2011 07:08 AM

Just run E85... it would be perfect boosted.

TA6spdRDC 01-02-2011 09:55 AM

so.. how much would the compression be with stock 64cc 243s and gm mls gaskets??

tnmotown 01-02-2011 01:07 PM


Originally Posted by TA6spdRDC (Post 14306438)
so.. how much would the compression be with stock 64cc 243s and gm mls gaskets??

I would think around 11.6-11.7 to 1 CR.

BTW, any dyno numbers on this setup?

the jester 812 01-02-2011 02:36 PM

i got 415whp with a 230 cam and the dyno operator said he couldn't get my DR's to stop slipping once it hit its powerband. the torque was as flat as a table from 2000 rpms till around 4500. and it was on a dyno dynamics which i have read puts out low numbers. but it feels amazingly strong.

smok'nZ 01-02-2011 02:45 PM

GREAT DEAL good luck

sscamaro1384 01-02-2011 03:16 PM

pm me a price shipped to 78415 tx

the jester 812 01-03-2011 08:05 PM

bump...

A Str8 Up G 01-04-2011 01:01 AM

You have a PM my good man

LS1C5Vette 01-04-2011 02:45 AM

This would be a easy 12.0:1 CR with my heads, perfect for E85, prob put out a easy 550+. Wish I had the funds, good luck.

the jester 812 01-04-2011 01:19 PM


Originally Posted by A Str8 Up G (Post 14314326)
You have a PM my good man

pm replied, hope we can make a deal, i got bills to pay..lol

TurboS10 01-05-2011 10:24 PM

PM'd for pics


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