[V8] PT vs. ABH intake

Coleman, David David.Coleman at blackrock.com
Mon Apr 30 13:53:07 EDT 2007


Mine's a '91 5-speed with an ABH motor.  I kept the 3.6 headers and ECU,
and am asking if it makes sense to swap over the IM from the original PT
motor.  If the 4.2 TB can/should be adapted to the 3.6 IM, then,
assuming the runners are the same bore, it sounds like I'm with Ron in
that the swap-over would be worthwhile.  

At this point, I want to keep the cam timing at the factory setting.
When I upgrade the cams and reinstall the chip (which I removed), maybe
then I'll diddle with that.

-dc-
 

> -----Original Message-----
> From: v8-bounces at audifans.com 
> [mailto:v8-bounces at audifans.com] On Behalf Of spcole at mn.rr.com
> 
> If your running the 3.6L ECU I'd use the 3,6L intake, and 
> exhaust manifolds.  I'd also get bigger the 4.2L injectors as 
> the stock injectors tap out before the redline.  Is the car 
> in an Auto(most
> likely) or a manual (conversion car).  I am working on 
> testing to see if the larger 4.2L TB's can fit on the stock 
> PT intake.  I am already looking to find the material used to 
> coat the inside of the PT intake (haven't hardly looked) as I 
> am porting the rough areas out and would like to restore the 
> smooth black finish it had.
> 
> The ECU's in the 3.6L should be smart enough to learn the 
> motors setup and adapt.  I'd also advance the cams a few 
> degrees after driving my V8q.  I just drove 2 cars and the 
> cams make a MUCH difference, so I'd say do both.
> 
> Just my 2 cents
> Sean
> Der RS4 Coupe'
> 90 Pearl V8q mit 5-speed dreams
> 91 200 20vtq mit 337k and counting (dad's) 
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