it blowed up... the ex L27 van. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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View Poll Results: which engine to replce the vandals L27?
just stuff in another L27 and stop racing your van 3 21.43%
go supercharged or go home 4 28.57%
go L36 and put it on the bottle 2 14.29%
drop in a v-8 torque monster 5 35.71%
Voters: 14. You may not vote on this poll

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Old 06-26-2006, 03:44 PM   #1
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Default it blowed up... the ex L27 van.

so i got the news back from my mechanic friend. the vandal has a blown head gasket. no 2 cylender on the back bank. no access with motor in the car. none.
if the motor is coming out it'* not going back in. so now i have a real desicion to make and was hoping to get an un-biased opinion here (i know it'* biased but i really need help)

the motor will be replaced with one of the following
L27
L36
L67 series one or two
Caddy 4.9 v-8

the L27 is the easiest swap. in and own, thanks for playing.
the L36 is probably pretty close and at least it'* S2
the L67 is what i'd like to go with but they are hard to find around here, plus i'm concerned about wiring.
the 4.9 has the smallest aftermarket (read almost none), but the most underhood wow power. also more torque than even the S2 L67. it'* alluminum and therefore lighter, and i already own it.

i'm on a limited budget but i can afford a little bit of downtime as long as i stay working where i am. i'm close enough to ride a bike to work. basicly it comes down to the choice between the V-8 and the L67. i'd like to build one of each, i like both motors soo much. but i only have one van.

i know you guys are biased towards the 67, but i need an honest opinion of which you would do if you were in my shoes?
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Old 06-26-2006, 03:53 PM   #2
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when you say you have the 4.9 already....a spare is laying around or you'd have to sacrifice another car to do it?
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Old 06-26-2006, 04:05 PM   #3
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If you have the 4.9 already, then go for it, but if you're sacrificing another vehicle for it, then go for a S2 L67. They have the most after market support and modability. Try getting in contact with Ed Morad at http://www.moradpartscompany.com/, I do believe he sells entire motors. L67swap.com can help you with info.
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Old 06-26-2006, 04:11 PM   #4
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i have a bank repo '93 sedan devile with no title. the motor was originally going to be for my '88 fiero. but a "friend" stole that car from me, so it'* in a car right now, but it'* hardly a sacrafice, as it can never be registered.
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Old 06-26-2006, 04:19 PM   #5
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Go for it. A v-8 dustbuster would be cool as hell. I wonder if you could use a rear-mount turbo kit on it?
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Old 06-26-2006, 04:28 PM   #6
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I'm not a big fan of the Caddy 4.9 ... Its an ok motor... 300ci, and it should be attached to a 4T60-E HD .... If memory serves the 4.9 makes 200 Hp and 260 ft lbs... Being a 93 I'm positive that it has Port Fuel Injection.... I have driven a few of these caddies and have not been all that impressed with them, but it did a decent job moving that large car around..

I'd be more tempted to use an L36 or Series II L67... Parts are plenty...


The one design I did not like about the 4.1,4.5 and 4.9 was the alluminum block and cast iron heads... And if they get ran hot thats another nightmare...


How many miles are on the 93'* 4.9?

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Old 06-26-2006, 05:09 PM   #7
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like 60K

the car is a MPFI car, but i'd be running a 500 cfm holley and mounting nitrous fogger nossels in the old injector bosses...

exactly the same setup i would have been running in my fiero, except in front of me.

the carb, GM HEI igntion, dual exhaust are good for about 220 H almost 300 tQ. the motors seem to hold about a 100 shot stock. that'd be one bad *** dustbuster.

heres a link to the only guy who'* done a v-8 so far (that i know of) his is a 4.5 using the TBI and a stock 3.1 van harness and computer. total build cost is about $800.

http://www.fiero.nl/forum/Archives/A...-2-039331.html

and for comparison, here is an L67 van. this guy is a member here:

http://www.photosled.com/showphoto.p...o/6764/cat/631
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Old 06-26-2006, 05:39 PM   #8
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L27..........
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Old 06-27-2006, 02:54 AM   #9
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i've really got until friday to make the desicion, but i'm pretty sure i've made up my mind.

i'm going ahead and trading the complete 4.9 donor car, plus the old motor core to my old boss in exchange for a series 2 L67 their may be some cash involved in the deal as well, but we're comfortable with each other so payments are always flexable.

the motor and tranny will receive a full freshening up (gaskets, seals, water/oil pump, timing chain. i'd love to do a cam should my budget allow, PEMs and get thrown in the van.

i hope to have the thing ready and broken in for the track by this winter, to see about pushing towards some low 15, high 14 second times. just in time for tax return season.


thank you to all of those who vote for keeping it suprisingly impartial. those of you who voted 67 and 4.9. thank you for your opinions. the bottled 36'* i like your outside the box thinking, good job. and those who voted "stop racing my van"... no. and you should be ashamed of yourselves.
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