Started LT1 conversion
Thread Starter
Drifting
Joined: Nov 2005
Posts: 1,361
Likes: 0
From: Downriver Mi.
Started LT1 conversion
Started taking apart the upper end today,PITA everything is tight and I have big hands
got it down to the intake 1 of the torx head bolts stripped
I have the front off down to the timing cover took about 4hrs my tools are kinda scattered,looks like i'll spot weld a bolt on top of the intake bolt to get it out,The tpi intake is a major pita
glad I'm dumping it,I'll get some pics when I'm further along
got it down to the intake 1 of the torx head bolts stripped I have the front off down to the timing cover took about 4hrs my tools are kinda scattered,looks like i'll spot weld a bolt on top of the intake bolt to get it out,The tpi intake is a major pita glad I'm dumping it,I'll get some pics when I'm further along
Racer
Joined: Jul 2004
Posts: 389
Likes: 2
From: Howard Beach, NY
Originally Posted by MR NICE
Started taking apart the upper end today,PITA everything is tight and I have big hands got it down to the intake 1 of the torx head bolts stripped I have the front off down to the timing cover took about 4hrs my tools are kinda scattered,looks like i'll spot weld a bolt on top of the intake bolt to get it out,The tpi intake is a major pita glad I'm dumping it,I'll get some pics when I'm further along
got it down to the intake 1 of the torx head bolts stripped I have the front off down to the timing cover took about 4hrs my tools are kinda scattered,looks like i'll spot weld a bolt on top of the intake bolt to get it out,The tpi intake is a major pita glad I'm dumping it,I'll get some pics when I'm further along
Thread Starter
Drifting
Joined: Nov 2005
Posts: 1,361
Likes: 0
From: Downriver Mi.
Its an 85 I'm running cast iron chevy bow tie phase 3 heads 184 cc runner with 64cc chambers stock flat top pistons, comp cam xfi flat tappet cam 520./515. 268./280. 1.6 rockers.You think I'll notice a difference over stock?
Last edited by MR NICE; Sep 3, 2006 at 09:03 PM.
Racer
Joined: Jul 2004
Posts: 389
Likes: 2
From: Howard Beach, NY
Originally Posted by MR NICE
Its an 85 I'm running cast iron chevy bow tie phase 3 heads 184 cc runner with 64cc chambers stock flat top pistons, comp cam xfi flat tappet cam.
there's some pics on my blog http://www.myspace.com/drevil11417
theyre under the 'the bitch is back' one haha
Le Mans Master
Joined: Jun 2004
Posts: 5,779
Likes: 0
From: Peoria AZ.
St. Jude Donor '05
I thought of doing that but I didn't want to loose my low end torque and emissions B/S.It sure is a whole lot simpler design.
And if you want to get rid of that lower intake i need one if it's any good.
And if you want to get rid of that lower intake i need one if it's any good.
Le Mans Master
Joined: Jun 2004
Posts: 5,779
Likes: 0
From: Peoria AZ.
St. Jude Donor '05
You need to clean out your PM box
I think you need to use a 87 dist.with the external coil.This site is the best one I have found for that convertion.from parts list to step by step instructions with pictures.
http://www.lt1intake.com/services.htm
I think you need to use a 87 dist.with the external coil.This site is the best one I have found for that convertion.from parts list to step by step instructions with pictures.
http://www.lt1intake.com/services.htm
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Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 14
From: backwoods upstate ny
big distrib fits ez with the machine work as done by the local shop...no need to chop vette wiring harness or use 'adapter' like the small distrib requires...small distrib is junk compared to the big one, probably why the vette never used it...mounting the external coil is a pita--btdt
Thread Starter
Drifting
Joined: Nov 2005
Posts: 1,361
Likes: 0
From: Downriver Mi.
Redrose,Im taking your advise and rotating stock fpr(F body rail), fab stock hold down bracket,spin fuel return line 180* same with the feed line so they can attach to the fuel lines at the passenger side front of motor,the big dizzy clears no problem
Last edited by MR NICE; Sep 4, 2006 at 08:09 PM.
Thread Starter
Drifting
Joined: Nov 2005
Posts: 1,361
Likes: 0
From: Downriver Mi.
Update,taking my time as I'm working on the house at the same time,I have the new heads and cam installed,found out I need a damper or repair the one I have?Also sat intake on the heads all looks well,question, what is the flat sensor on top of an lt1 intake located behind the TB?I see some conversions with and with out it(plugged)?I hope to have it all together in a month,I will also need a chip,no need for pics till its done you all have seen a motor apart,take care
Last edited by MR NICE; Sep 18, 2006 at 08:30 AM.
Melting Slicks
Joined: May 2002
Posts: 2,670
Likes: 4
From: Severna Park MD
Originally Posted by MR NICE
Also sat intake on the heads all looks well,question, what is the flat sensor on top of an lt1 intake located behind the TB?I see some conversions with and with out it(plugged)?:
That sensor is the IAT or Intake Air Temperature sensor. It's used for Speed Density management. And only if the MAF fails on 94 and later engines. Limp home mode. So says the FSM.
[/WRONG]
[EDIT] That's the MAP sensor. {The IAT is in the air duct}
If you are doing any kind of SD engine management you'll need that sensor.
Last edited by FELNGR8; Sep 18, 2006 at 12:53 PM.
Thread Starter
Drifting
Joined: Nov 2005
Posts: 1,361
Likes: 0
From: Downriver Mi.
Question
Can I run this combo without a chip tune for the first 1/2 hr?,reason is if the intake for some reason won't seal up,I will be switching to a **** and would not need a chip,that would be last resort.But I would like to run it first before doing the chip,what do you guys think?I'm getting close,If I did it again I would buy something bolt on or have all the intake work done.Anyone have luck bending the fuel lines on the lt1 rail??
Can I run this combo without a chip tune for the first 1/2 hr?,reason is if the intake for some reason won't seal up,I will be switching to a **** and would not need a chip,that would be last resort.But I would like to run it first before doing the chip,what do you guys think?I'm getting close,If I did it again I would buy something bolt on or have all the intake work done.Anyone have luck bending the fuel lines on the lt1 rail??
Last edited by MR NICE; Oct 13, 2006 at 03:06 PM.
Melting Slicks
Joined: Feb 2006
Posts: 2,753
Likes: 14
From: backwoods upstate ny
mine and several others here run great on the stock chip....mine data logs just a tiny bit rich when the battery is disconnected and the ecm has to relearn.
you can bend the fuel line with one of these, harbor fright sells it for $7
you can bend the fuel line with one of these, harbor fright sells it for $7