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MAP Location inportant?

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Old May 18, 2001 | 08:40 AM
  #1  
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From: Export, Pa USA
MAP Location inportant?

In talking with another person that converted their 89 Vette to SD, he mounred the MAP under the dash and just ran a hard line to it. Claims he has no problems. Does it matter where the MAP is relation to the Vacuum source? Common sense tells me to place it as close to the soruce as possible. I searched the archives but found nothing on th esubject.

Thanks,
Jason

------------------
89 Six Speed FX3 coupe
More Performance 396cid specs:
Callies 4340 crank 3.875 stroke
Lunati Pro-Mod 5.85" rods
SRP Pistons 14cc dish
Comp Cams Custom cam 550 lift 220/229 duration
10.8:1 compression
AFR 195 competition ported heads
Miniram and TPIS 1 3/4" headers
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Old May 18, 2001 | 08:54 AM
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<font face="Verdana, Arial" size="2">Originally posted by 89vette:
In talking with another person that converted their 89 Vette to SD, he mounred the MAP under the dash and just ran a hard line to it. Claims he has no problems. Does it matter where the MAP is relation to the Vacuum source? Common sense tells me to place it as close to the soruce as possible. I searched the archives but found nothing on th esubject.
</font>
The greater the volume of air in the connecting lines the more dampened the signal. Far better to run short small diameter line.

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Old May 18, 2001 | 09:04 AM
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Thanks Grump. I figured as much.
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