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| Cadillac 4.5 supercharged engine (Page 4/4) |
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La fiera
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APR 11, 03:12 PM
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| quote | Originally posted by fieroguru:
It is good to see people doing different stuff!
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I agree! 
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Johns 4.9
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APR 11, 04:14 PM
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Dennis,
Thank you for the kind words about my build. The reason I am installing main cap studs is so I can add a stud girdle. This is the AutoCAD drawing of it. Just need to get it cut out now.
I have given a lot of thought about the timing. I have a vacuum advance set up on the distributor that retards the timing under wide open throttle and full boost. Detonation can be a big problem for cast pistons! Still working out the final details on that but the vacuum canister is adjustable.
As far as the belt wrap goes, it hits the water pump! I appreciate the enthusiasm but there is only one way the belt can go up to the supercharger. On the left hand side of the pump. Its hard to tell from the pics. Like I said I tried over a dozen ways and this way is a compromise for all the variables. Not ideal but still no belt slip. Thank you for your efforts!
 [This message has been edited by Johns 4.9 (edited 04-11-2019).]
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Will
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APR 12, 03:29 PM
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| quote | Originally posted by Johns 4.9:
I have this engine in my 84. Looking forward to testing this summer. Going to find out how strong these motors are....or are not. Sh ould be fun.
Cheers |
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Well... you could mount something like these:
https://www.autohausaz.com/pn/11282248214
OR
https://www.carid.com/2001-...embly-596191986.html
To that bolt just above your steel waterpump cover and just outside the belt (Your pic doesn't show at work, I'll make one calling out the bolt when I get home).
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Johns 4.9
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APR 18, 02:58 PM
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ARP connecting rod bolts to replace the stock ones.[This message has been edited by Johns 4.9 (edited 04-18-2019).]
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Warlordsix
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SEP 03, 03:20 PM
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Wondering if you have any updates, John. Love your initiative and innovation.
Ernie------------------
'87 Fiero 4.9 5-speed
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Johns 4.9
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SEP 03, 09:10 PM
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Ernie,
I have been pretty busy working, but that car is getting new headers and dual exhaust right now. I have new fuel injection now on my 4.9 Fiero.
Cheers
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Warlordsix
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SEP 03, 11:47 PM
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Sounds good. Just means you owe us a thread on your fuel-injected engine, too.  ------------------
'87 Fiero 4.9 5-speed
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