 New 2.8 Liter Six for the Racecar, I'll be asking a bunch of Conversion Questions |
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| motorvated |
 Oct 21 2022, 03:28 PM
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#1
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Member  Group: Members Posts: 282 Joined: 13-February 13 From: Colorado Member No.: 15,519 Region Association: Rocky Mountains  |
The first question I have is related to modifications to the engine shelf pieces required for the 6-cylinder conversion. I noticed the Patrick Motorsports sells an expensive engine shelf kit for the 6-cylinder conversion. But, since the 6-cylinder is going into a Racecar, can I just cut out the entire engine shelf to maximize the available space in the engine compartment? Or, has anyone made a template that can be used to modify the 4-cylinder engine shelf to accommodate the 911 engines? I'd like just to remove the shelf parts if they are not needed. Thoughts on this? How do you other racers handle this. Many more questions to follow. I know there are many conversion threads out there, but it's hard to weed through them to see if they address the question(s) that I have. Plus most of Tigre are for street car conversions, not race cars.
Mike S. |
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| BillJ |
Oct 25 2022, 07:14 AM
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#2
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Senior Member Group: Members Posts: 1,216 Joined: 4-March 13 From: charlotte, NC Member No.: 15,610 Region Association: None 
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Quick question. Why a 2.8? For most groups that makes you too large for the 2.5 group and underpowered for the 3.0 rsr cars we race against....
I went from my 2.7rs down to 2.4 to race with that group. |
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| motorvated |
Oct 25 2022, 08:00 AM
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#3
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Member Group: Members Posts: 282 Joined: 13-February 13 From: Colorado Member No.: 15,519 Region Association: Rocky Mountains |
QUOTE(BillJ @ Oct 25 2022, 07:14 AM)  Quick question. Why a 2.8? For most groups that makes you too large for the 2.5 group and underpowered for the 3.0 rsr cars we race against.... I went from my 2.7rs down to 2.4 to race with that group. This drivetrain simply found me and not the other way around, so that's why the 2.8 liter motor. I mostly race with RMVR here in Colorado and have been running with their Small Bore group of 2.0 liter and under. With the 2.8 liter I'll be running with their Mid/Big Bore group, as I would with a 2.4 or 2.5 liter motor. So not much difference unless I venture out and run with other Vintage clubs, which I do from time to time. As long as I have a few others to race against and I'm not running alone all the time, I'm happy. |
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Posts in this topic
motorvated New 2.8 Liter Six for the Racecar Oct 21 2022, 03:28 PM
stownsen914 You mean the engine tin, or the horizontal shelf t... Oct 21 2022, 06:25 PM GregAmy Ditto on my /4: no tin surround, it's all trim... Oct 22 2022, 07:40 AM Charles Freeborn Mine has all the tin removed too - "firewall... Oct 22 2022, 09:03 AM
motorvated
Mine has all the tin removed too - "firewall... Oct 22 2022, 10:48 AM brant I’m not running any engine shelf or tin either. ... Oct 22 2022, 04:17 PM motorvated
I’m not running any engine shelf or tin either.... Oct 23 2022, 06:23 AM Charles Freeborn
I’m not running any engine shelf or tin either... Oct 23 2022, 03:35 PM BillJ Many go with JB Racings distributor. Jbracing.co... Oct 23 2022, 09:39 AM motorvated
Many go with JB Racings distributor. Jbracing.c... Oct 23 2022, 12:01 PM brant
Many go with JB Racings distributor. Jbracing.... Oct 24 2022, 10:06 AM infraredcalvin My -4 has FAT 911 fan shroud with no additional ti... Oct 23 2022, 12:08 PM BillJ Depending on where you want to drive the car be ca... Oct 23 2022, 05:50 PM infraredcalvin
You should also consider the stock location and s... Oct 30 2022, 01:31 PM motorvated
You should also consider the stock location and ... Oct 31 2022, 08:25 PM Charles Freeborn
Quick question. Why a 2.8? For most groups tha... Oct 27 2022, 09:14 AM brant Is it a hemmigway motor?
Or 2nd guess. Matt in ca... Oct 25 2022, 08:37 AM BillJ Makes sense and sounds like you have the perfect a... Oct 25 2022, 07:19 PM gms engine shelf left in, no engine sheet metal instal... Oct 26 2022, 11:59 AM BadToTheBown Mine is all removed, great access to everything...... Oct 27 2022, 11:56 PM Krieger On my 3.0 track car I run the stock tank with a co... Oct 31 2022, 11:03 PM brant The motors create a lot of heat
Your about to doub... Nov 1 2022, 07:08 AM motorvated
The motors create a lot of heat
Your about to dou... Nov 1 2022, 08:07 AM campbellcj I kept the shelf and tin in mine, and also the tru... Nov 1 2022, 11:29 AM brant I dump my 2 front coolers through the wheel wells ... Nov 1 2022, 03:47 PM motorvated
I dump my 2 front coolers through the wheel wells... Nov 3 2022, 07:14 PM stownsen914
my mechanic told me no...
said that 200 degree ai... Nov 5 2022, 10:24 AM mlindner I have both the engine shelf and tin. But for bett... Nov 4 2022, 06:22 AM brant I run a 901 instead of the 915
I ran my trans coo... Nov 4 2022, 07:00 AM Charles Freeborn My front coolers and ducting for brakes. Don't... Nov 13 2022, 10:18 AM |
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