front end conversion(older van----newer clip)

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dean89
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Re: front end conversion(older van----newer clip)

Post by dean89 »

Here are a couple of pics from when I took on this task last fall,
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and finally the reason why I ended up doing this
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1989 Astro, 3" DJM drop, 5.7 tbi
1991 Chevrolet C1500 4.3 tbi 5spd 4-6" DJM drop (brother's truck)
1983 Chevrolet K20 350/4spd, 3.5" lift w/35's

lockdoc
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Re: front end conversion(older van----newer clip)

Post by lockdoc »

What I don't get is why some had to cut the subframe at the bumper mount. The AWD mounts from my donor front end bolted right up.
Current:
01 AWD - Stock
98 AWD - Stock
Past:
93 4WD - 305 V8 - 5" lift - 31" tires
98 4WD DHC - 10" lift - 33" tires - Onboard air and Hydraulics - Snowplow
92 RWD - 350 V8 - lowered - 97 front clip
92 RWD - 350 V8 - converted to AWD - V6
91 AWD - 350 V8 - conversion van
94 RWD - 350 V8 - sons van
92 RWD - stock - sons van
93 RWD Shorty - project
89 RWD Shorty - parts van
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dean89
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Re: front end conversion(older van----newer clip)

Post by dean89 »

I think that part of it is the age of the vans, my 89 I think is the last year of the original style frame. It does not have that square metal bracket on the inside of the tubing and the holes are not even the right spacing for the new brackets. I ended cutting that inch of the front of the frame horns so that I could pull the new bumper back far enough to line up with the fenders without modifying the brackets.
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1989 Astro, 3" DJM drop, 5.7 tbi
1991 Chevrolet C1500 4.3 tbi 5spd 4-6" DJM drop (brother's truck)
1983 Chevrolet K20 350/4spd, 3.5" lift w/35's
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s10-den
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Re: front end conversion(older van----newer clip)

Post by s10-den »

Dean,Great pics of the conversion! On the very first pic,On the first hole,you have marked it with a marker, is that all you had to cut off the fender to get the 2 top bolts to line up? I suppose you didnt have any fitment probs like Locdoc did? Thats strange how he ran into all those problems. Must have been the jackstands .

ScottS, the bumper extensions are on the front of the frame bolted on by 2 bolts on each side of the frame.

So dean ,your saying that a 94 has the same frame as the 95-05 as far as the bumper brackets??
Last edited by s10-den on Wed Aug 27, 2008 1:29 pm, edited 1 time in total.
94 Astro cargo EXT----Bought specifically to mod!!Will be tbi 350 v8 and new front end conversion
Done so many v8 s10's their old news

nitropyro
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Re: front end conversion(older van----newer clip)

Post by nitropyro »

i will try to get a write up also but i cant spare enough time right now. i welded on my fenders for a cleaner look in the engine bay no bolts. but i went the oppisite way i have an 89 and i cut up my bracket to get the bumper to line up right. and thanks for adding you must keep the frame straight or you will go through hell like i did!!!!!!!!
Danny
Danny im 21 year old with an 89 astro bbc 9in bagged 20's & 18's
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Logan
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Re: front end conversion(older van----newer clip)

Post by Logan »

When I did my conversion on my 93 (I'm VERY cheap btw) I didn't even mess with the inner fenders much. I bolted the core suppoert to the frame (not tight) without the body mounts/spacers then screwed the fender at the cowl area. Then screwed the fender to the core support. So "technically" the fender is what is keeping the core support from moving. Notice the gap on the passenger side. I did this because the salvage yard really screwed up removing the core support from the donor van. they twisted the driver side area around the head light too.
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My bumper and supports had to come out about an inch and down about 2 inches to line up properly. I welded the bumper brackets to the frame then bolted the bumper to it. My gaps suck. Everything but the bumper bracket is held together with sheet metel screws.
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Lets hope I don't get in an accident. LOL I dont' know that I would do it again...Although I know what NOT to do next time.
1988 Astro Shorty full cargo - 350 TBI - 5 speed
1993 Passenger 4X4 Astro 305 TBI V8 -2 speed transfer case 5" custom lift - Built by Lockdoc
2015 Ram Promaster City - work car
2004 AWD Express 5.3
2005 Express 15 passenger 6.0
1984 Beauville Full Size Sport Van- built TBI 355-electric fans- 4L60e 95,000 original miles
2001 International School Bus
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Logan
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Re: front end conversion(older van----newer clip)

Post by Logan »

Notice the difference on the frames here...
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1989 model van
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1993 model van
1988 Astro Shorty full cargo - 350 TBI - 5 speed
1993 Passenger 4X4 Astro 305 TBI V8 -2 speed transfer case 5" custom lift - Built by Lockdoc
2015 Ram Promaster City - work car
2004 AWD Express 5.3
2005 Express 15 passenger 6.0
1984 Beauville Full Size Sport Van- built TBI 355-electric fans- 4L60e 95,000 original miles
2001 International School Bus
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dean89
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Re: front end conversion(older van----newer clip)

Post by dean89 »

Logan, thanks for highlighting the differences between the two frames. S10-den, yes I ground out the area marked with the marker for the second bolt, the other bolt is in a larger hole that I used a nut and bolt with washers to attach, the second original bolt goes in the threaded hole near the fender in the picture.
ImageImageImage
1989 Astro, 3" DJM drop, 5.7 tbi
1991 Chevrolet C1500 4.3 tbi 5spd 4-6" DJM drop (brother's truck)
1983 Chevrolet K20 350/4spd, 3.5" lift w/35's
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s10-den
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Re: front end conversion(older van----newer clip)

Post by s10-den »

=D> =D> Thanks a million fellas,This thread is now coming together!!!
As soon as I start mine I will post pics and everyone can ask for specific pic of anything.....Then maybe we can Stickie this again over here!!???
Nitro, when you get time.please do!
94 Astro cargo EXT----Bought specifically to mod!!Will be tbi 350 v8 and new front end conversion
Done so many v8 s10's their old news
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Logan
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Re: front end conversion(older van----newer clip)

Post by Logan »

I just also remembered.....keep the fan shroud from the Old design nose. When you do the V8 with a new nose the old design shroud fits perfectly onto the new nose. :-)
1988 Astro Shorty full cargo - 350 TBI - 5 speed
1993 Passenger 4X4 Astro 305 TBI V8 -2 speed transfer case 5" custom lift - Built by Lockdoc
2015 Ram Promaster City - work car
2004 AWD Express 5.3
2005 Express 15 passenger 6.0
1984 Beauville Full Size Sport Van- built TBI 355-electric fans- 4L60e 95,000 original miles
2001 International School Bus
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s10-den
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Re: front end conversion(older van----newer clip)

Post by s10-den »

Thats good to know!!...
94 Astro cargo EXT----Bought specifically to mod!!Will be tbi 350 v8 and new front end conversion
Done so many v8 s10's their old news

lockdoc
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Re: front end conversion(older van----newer clip)

Post by lockdoc »

Logan wrote:I just also remembered.....keep the fan shroud from the Old design nose. When you do the V8 with a new nose the old design shroud fits perfectly onto the new nose. :-)
That depends on wether you are still using the old radiator I would think. The newer radiator and shroud fits perfect as well. That was on of the reasons I wanted the newer front end. So I had more room for the radiator/shroud with the V8.
Current:
01 AWD - Stock
98 AWD - Stock
Past:
93 4WD - 305 V8 - 5" lift - 31" tires
98 4WD DHC - 10" lift - 33" tires - Onboard air and Hydraulics - Snowplow
92 RWD - 350 V8 - lowered - 97 front clip
92 RWD - 350 V8 - converted to AWD - V6
91 AWD - 350 V8 - conversion van
94 RWD - 350 V8 - sons van
92 RWD - stock - sons van
93 RWD Shorty - project
89 RWD Shorty - parts van
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Logan
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Re: front end conversion(older van----newer clip)

Post by Logan »

lockdoc wrote:
Logan wrote:I just also remembered.....keep the fan shroud from the Old design nose. When you do the V8 with a new nose the old design shroud fits perfectly onto the new nose. :-)
That depends on wether you are still using the old radiator I would think. The newer radiator and shroud fits perfect as well. That was on of the reasons I wanted the newer front end. So I had more room for the radiator/shroud with the V8.

You are correct!!! I am still using the old radiator!!! So with the old radiator mounted to the new core support, you can use the old fan shroud. And you only have to trim the lower half by the power steering pump! Thanks Bill! I forgot I was using the old radiator! LOL
1988 Astro Shorty full cargo - 350 TBI - 5 speed
1993 Passenger 4X4 Astro 305 TBI V8 -2 speed transfer case 5" custom lift - Built by Lockdoc
2015 Ram Promaster City - work car
2004 AWD Express 5.3
2005 Express 15 passenger 6.0
1984 Beauville Full Size Sport Van- built TBI 355-electric fans- 4L60e 95,000 original miles
2001 International School Bus

andyfanshawe
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Re: front end conversion(older van----newer clip)

Post by andyfanshawe »

Mines done a different way! No cutting of the old shell at all!

Here are 2 photos of the new fenders mounted on the old original core support. As been said before, they are too long, so................

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Make up a bracket to fit. This is one someone else already made and installed. Bit cheapy looking. I am going to just use the ends in the next few days. I'll post up later.

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The other photos are self explanatory, but for some reason the passenger fender sits higher at the firewall end below the windscreen and needs some spacers underneath.

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Spot of advice for anyone else doing this - block up the front threaded hole on the windscreen scuttle 'cos it will leak water into the cabin eventually. Don't ask me how I know :cry:

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More photos later.
Andy.
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86 Air ride Camaro and soon to be Air Astro!
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SoCalli V8
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Re: front end conversion(older van----newer clip)

Post by SoCalli V8 »

Great technical pictures Andy, thanks for posting......
`86 V8 Lowered Cargo, extensively modified, shaved bald, wearing the shortest, sluttyest white primer dress....

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My Astro tows my toys to Glamis sand dunes http://www.youtube.com/watch?v=jp2pqjQtpso
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