DIY_EFI Digest Wednesday, 22 May 1996 Volume 01 : Number 147 In this issue: Re: normaly asperated efi to turbo efi Re[2]: normaly asperated efi to turbo efi Re: Re[2]: normaly asperated efi to turbo efi RE: Re[2]: normaly asperated efi to turbo efi Re[4]: normaly asperated efi to turbo efi Re: DIY_EFI Digest V1 #146 See the end of the digest for information on subscribing to the DIY_EFI or DIY_EFI-Digest mailing lists. ---------------------------------------------------------------------- From: FIScot@xxx.com Date: Tue, 21 May 1996 07:39:58 -0400 Subject: Re: normaly asperated efi to turbo efi In a message dated 96-05-20 21:38:41 EDT, you write: >Does any body know how much trouble it would be, to take a '85 3.8l GM V6 >with it's cute port fuel injection set up, and turbo it?? Trouble is a relative term. Is it possible? Yes. >I've read that MAF EFI systems and forced induction are a match made in >heaven! That's true. >Correct me if I'm wrong in my thinking. Nope, I like your thoughts. >The 3.8L Grand National Regal engine is simular to the normaly asperated >3.8L in GM's mid size sedans. Could I convert from the normaly asperated >version with just the following changes? No. There are differences. The turbo motor is a stronger engine from the factory. >Swap the exiesting prom, for one that's turbo ready. Peter Whales just might >have a signature series prom just for this application. Or, did the Grand >National just happen to use ECM #1226461? What ecm did it use? No, they used 1227148 in the 86-87 GN's and 1226459 for the 84-85 GN's. The 1227148 was used in the 3.8L NA SFI engines of the same period, and I think the 3.0L FWD NA SFI engines. The 1226459 was specific to those years of GN only..... >Purchase a MAP sensor for positive pressure intake systems (Grand National >type) The GN ECM does not use a MAP sensor. >Blow through the exiesting MAF. What's the max mass air flow for the GM hot >film type MAF sensors? The GN's max at 255 gps. It is in front of the turbo though. >The exiesting pressure regulator is manifold referenced, and should work. >Would it work though? Probably if it is a 233 or 237. >Of course, the big part is to buy the turbo and fab the exhaust and intake >tubing. Quick work with my home made TIG set up. Could an intercooler be >made from a radiator? Is this a dead end road, or has someone been there and done >that? I've got a hot home built car that wispering performance. I think it might be easier or cheaper in the long run to buy a complete GN drivetrain..... Not to put a damper on it though. Go for it! If you can get the ECM from a NA car in a boneyard, I have the stock PROM file for the turbo GN. Scot Sealander FIScot@xxx.com ------------------------------ From: jfaubion@xxx.mil (jfaubion) Date: Tue, 21 May 96 11:47:03 cdt Subject: Re[2]: normaly asperated efi to turbo efi >Not to put a damper on it though. Go for it! If you can get the >ECM from a NA car in a boneyard, I have the stock PROM file for >the turbo GN. >Scot Sealander FIScot@xxx.com What is a "NA" car? John ------------------------------ From: ehernan3@xxx.com (Edward Hernandez (R)) Date: Tue, 21 May 1996 14:32:56 +0500 Subject: Re: Re[2]: normaly asperated efi to turbo efi >What is a "NA" car? NA means normally aspirated, as opposed to turbocharged or super- charged. ------------------------------ From: Peter Shoebridge Date: Tue, 21 May 1996 13:50:46 -0600 Subject: RE: Re[2]: normaly asperated efi to turbo efi - ------ =_NextPart_000_01BB471C.8411B530 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit NA means normally aspirated or non-turbo. Peter - ------ =_NextPart_000_01BB471C.8411B530 Content-Type: application/ms-tnef Content-Transfer-Encoding: base64 eJ8+IjATAQaQCAAEAAAAAAABAAEAAQeQBgAIAAAA5AQAAAAAAADoAAEIgAcAGAAAAElQTS5NaWNy b3NvZnQgTWFpbC5Ob3RlADEIAQ2ABAACAAAAAgACAAEEkAYAZAEAAAEAAAAMAAAAAwAAMAIAAAAL AA8OAAAAAAIB/w8BAAAAYwAAAAAAAACBKx+kvqMQGZ1uAN0BD1QCAAAAAGRpeV9lZmlAY291bG9t Yi5lbmcub2hpby1zdGF0ZS5lZHUAU01UUABkaXlfZWZpQGNvdWxvbWIuZW5nLm9oaW8tc3RhdGUu ZWR1AAAeAAIwAQAAAAUAAABTTVRQAAAAAB4AAzABAAAAIwAAAGRpeV9lZmlAY291bG9tYi5lbmcu b2hpby1zdGF0ZS5lZHUAAAMAFQwBAAAAAwD+DwYAAAAeAAEwAQAAACUAAAAnZGl5X2VmaUBjb3Vs b21iLmVuZy5vaGlvLXN0YXRlLmVkdScAAAAAAgELMAEAAAAoAAAAU01UUDpESVlfRUZJQENPVUxP TUIuRU5HLk9ISU8tU1RBVEUuRURVAAMAADkAAAAACwBAOgEAAAACAfYPAQAAAAQAAAAAAAAC2k0B BIABAC4AAABSRTogUmVbMl06IG5vcm1hbHkgYXNwZXJhdGVkIGVmaSB0byB0dXJibyBlZmkAvg8B BYADAA4AAADMBwUAFQANADIALgACAFwBASCAAwAOAAAAzAcFABUADQAyAAcAAgA1AQEJgAEAIQAA ADk5OEJGODBBMjlCMENGMTE5QjkyMDBBQTAwMzg1Qjg1ABoHAQOQBgD8AQAAFAAAAAsAIwAAAAAA AwAmAAAAAAALACkAAAAAAAMALgAAAAAAAwA2AAAAAABAADkA8LDUzU5HuwEeAHAAAQAAAC4AAABS RTogUmVbMl06IG5vcm1hbHkgYXNwZXJhdGVkIGVmaSB0byB0dXJibyBlZmkAAAACAXEAAQAAABYA AAABu0dOzboK+IugsCkRz5uSAKoAOFuFAAAeAB4MAQAAAAUAAABTTVRQAAAAAB4AHwwBAAAAEwAA AHBldGVyQGFzcGVucmVzLmNvbQAAAwAGEMK+fVkDAAcQKAAAAB4ACBABAAAAKQAAAE5BTUVBTlNO T1JNQUxMWUFTUElSQVRFRE9STk9OLVRVUkJPUEVURVIAAAAAAgEJEAEAAACYAAAAlAAAAAEBAABM WkZ1MCH7Hf8ACgEPAhUCpAPkBesCgwBQEwNUAgBjaArAc2V07jIGAAbDAoMyA8YHEwKA/n0KgAjP CdkCgAqBDbELYMBuZzEwMzMK+xLyxQHQIAqFTkEgB4AGIgZuBbAAwGxseSBhQHNwaXJhdAmAIGMF sRkgbi10CHAG4C57CoUKhVASAASQCoUT8QABHQADABAQAAAAAAMAERAAAAAAQAAHMMA6ebZOR7sB QAAIMMA6ebZOR7sBHgA9AAEAAAAFAAAAUkU6IAAAAAADAA00/TcAAAtx - ------ =_NextPart_000_01BB471C.8411B530-- ------------------------------ From: jfaubion@xxx.mil (jfaubion) Date: Tue, 21 May 96 17:57:29 cdt Subject: Re[4]: normaly asperated efi to turbo efi >>What is a "NA" car? >NA means normally aspirated, as opposed to turbocharged >or super- charged. Duhh! Don't know what I was thinking about! John ------------------------------ From: talltom Date: Tue, 21 May 1996 18:05:56 -0700 (PDT) Subject: Re: DIY_EFI Digest V1 #146 A > >From: "George M. Dailey" >Date: Mon, 20 May 1996 20:12:49 -0500 >Subject: normaly asperated efi to turbo efi > >Does any body know how much trouble it would be, to take a '85 3.8l GM V6 >with it's cute port fuel injection set up, and turbo it?? It would seem to me that one of the questions that should be asked is will it live if I do? From what I understand about 3.8l (former GM line mechanic that has rebuilt plenty of them) it took the factory to shake the bugs out of them, and barely held up by themselves, much less turbocharged. I'd consider a bicycle first. ------------------------------ End of DIY_EFI Digest V1 #147 ***************************** To subscribe to DIY_EFI-Digest, send the command: subscribe diy_efi-digest in the body of a message to "Majordomo@xxx. 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