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#1
02-04-2015, 04:21 PM
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Summit engine diaper
http://www.summitracing.com/parts/sum-590200
Anyone use this diaper? What will I run into? - my set up is stock 69 Firebird frame/mounts with canton 15-451 oil pan.
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~~~~~~~~~~~~~~~~~~~~~~~~~ www.spottsperformance.com East Coast Pontiac engine builder - still going strong 4 month waiting list email spotfam@verizon.net 1981 Trans Am 455 w/6X heads 4 speed 4 wheel disc (for sale) 1969 Trans Am clone 9.79 at 139 so far 1964 Banshee clone project - Opel GT platform |
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#2
02-04-2015, 06:42 PM
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Paul. Can't address the merits of that diaper. I used a DRE diaper on my 69 GP. I have a Canton with DS kick out. Not sure of number. I a using the stock mounts and AP front plate. Fits great but not cheap but very nice. I heard a lot of negative comments on using a BBC /universal diaper. JMO/experience
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 ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far..  through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#3
02-04-2015, 09:44 PM
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My experience with generic diapers in my cars has not been good. They are very baggy, tend to touch the headers (burn) and are very challenging to install/remove. I have sent my oil pans to DRE and had custom diapers made with great results. It's a 2-3 week leadtime and they use Kevlar to prevent them from burning.
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#4
02-05-2015, 11:15 AM
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DJ Safety makes a specific Pontiac lower engine containment device/diaper part. You just have to specify if you're using the factory mounts or if the engine is mounted on plates, and what oil pan. Options include wrap around straps, fire proof panels, etc. Here's one in progress (just had the strap mounts sewn on) for a PY member using the stock motor mounts.
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1963 Tempest Convertible Pontiac-Powered Funny Car: 400 block, Littlefield 8-71 blower, Enderle injection, custom blower intake, three-disc glide clutch, three-speed Lenco 
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#5
02-05-2015, 01:33 PM
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My DRE...
Straps front & rear...I used front/rear of heads to stay away from headers.
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ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#6
02-05-2015, 05:28 PM
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Have it on my car. Fits over the deep sump Milodon pan. I have it clipped onto the front and rear header bolts. But my motor is moved back 10" and I have the factory crossbar cut out.
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68 Firebird "Indian Giver" 540 MR1, HP's, Wenzler -- For Sale $12,500 rolling Best of 5.12@134 on 175 shot 72 LeMans "POS" - Next US beast 
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#7
02-06-2015, 04:42 PM
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Thanks for all the great info.
I made my own belly pan for my old F.E. dragster in aluminum, I'm considering it for this car, but not sure. I think it cost me $20 - LOL I just found the approved absorb. pad I had as a spare. I loved my old belly pan, I had it attached with dzus fastners and could have it removed in 30 seconds for oil changes. The NHRA guy liked it. I assume you guys need to remove the rear and side straps and peel back to change oil? I'm not liking that for the fits all diaper. hmmmm, decisions
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~~~~~~~~~~~~~~~~~~~~~~~~~ www.spottsperformance.com East Coast Pontiac engine builder - still going strong 4 month waiting list email spotfam@verizon.net 1981 Trans Am 455 w/6X heads 4 speed 4 wheel disc (for sale) 1969 Trans Am clone 9.79 at 139 so far 1964 Banshee clone project - Opel GT platform |
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#8
02-06-2015, 05:35 PM
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I only remove the right side rear strap to change oil...about a 5 minute job..
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ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#9
02-07-2015, 10:33 AM
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My dad has the summit engine diaper and like Aaronman said it is a bit baggy/loose.I had to get creative with bungy cords to keep it snug to the block/pan.
I use the DRE diaper. Dennis is easy to get along with and has great customer service. I'm very pleased with the way my DRE diaper fits. FWIW ,as another option, I think Vin63 on this board has a in with the guys with DJ safety and can get you a good deal on a SFI approved diaper.Might want to pm him and get more info.I have no info on the way it fits but Vin seems happy with his.
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"You have to evaluate the past,Focus on the future,and that tells you what you have to do in the present"--Lou Holtz “It’s the process it takes to get to goals that sets us apart, the execution on every single play, one play,one life” Notre Dame Head Coach Marcus Freeman 69 GTO NHRA Super Street Car 2860lbs 10.82@159.91 in Joliet May 2024 ….157.56 MPH in Gainesville in March ‘23 |
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#10
02-07-2015, 02:25 PM
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Quote:
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ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#11
02-08-2015, 12:25 AM
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Quote:
__________________
"You have to evaluate the past,Focus on the future,and that tells you what you have to do in the present"--Lou Holtz “It’s the process it takes to get to goals that sets us apart, the execution on every single play, one play,one life” Notre Dame Head Coach Marcus Freeman 69 GTO NHRA Super Street Car 2860lbs 10.82@159.91 in Joliet May 2024 ….157.56 MPH in Gainesville in March ‘23 |
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#12
02-08-2015, 05:00 PM
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DRE diapers fit good compared to the other generic stuff u get what u pay 4
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2008KRE Q16 Winner 2014 atco raceway doorslammer winner 86 grand am tube car 8.95 @152 455 eheads solid flat tappet cam Hoffman Racing building and racing Pontiacs for 35 years |
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#13
02-09-2015, 05:08 PM
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Quote:
I know I will be taken care of....
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ECM member. 2008 Outlaw Pontiac Drag Series Champion MANDRA Do it now fool! Life is short. 69 Grand Prix/3163lbs / IAII 535 w/ Tiger heads by Gaydosh....9.35@ 144 so far.. through mufflers. 1.26 60'. Going back to track with pump gas engine.... My 60 Ventura retired to street/strip duty.. |
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#14
02-09-2015, 05:23 PM
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The one in post 4 is mine and sfi certified. The DRE , which are very good would have been 3 times the price. I don't race a lot so couldn't justify the extra price. The group i'll be running with requires a diaper. I was very happy with the diaper I got thru Vin.
I was at a meeting with Dennis a month ago and he talked about his diaper and very was impressive with all the work into it, ease of cleaning it and the military grade Kevlar he uses.
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Illinois Outlaw Gassers 6.27@107 9.97@131 Last edited by Bill Eveland; 02-09-2015 at 05:32 PM. |
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